Bad Oil Pump Sound
much difference to the engine above this the engine will lose power run rough and seriously sound sick. When we had it looked at they took the oil pan off and one bolt from the oil pump was laying in the oil pan. Then it starts to mouth off to you and tell you you don't know what its going through. It's important to familiarize yourself with the warning signs of a faulty fuel pump—that way you can address any problems before it's too late. Check oil pressure gauge to be sure all is working good. Oil pump gears (OPGs) failure is when the stock OPGs literally break apart in the engine because of unbalanced harmonics. While the oil level may read full, a failing oil pump would be unable to properly pump that oil throughout the engine. Time is a major issue when it comes to diagnosing problems with your car. Bowser “Self-Measuring Gasoline Storage Pump” was known to motorists as a “filling station. Associate Mechanical Engineer Tennessee Eastman Eastman Chemical Company EASTMAN. An immersion heater placed in the oil may help under severe cold conditions. leave it be, use oil to prevent further build up and hope it doesn't break off or b. Low oil pressure. ” The original Bowser pump consisted of a square metal tank with a wooden cabinet equipped with a suction pump operated by hand-stroke lever action. oil pump noise 65vertvair. The water pump is driven off the oil pump opposite the drive chain. Thanks for the good job that you are doing. 3L motor? i heard it was on the front of the block, outside of the oil pan, and it was cam driven. For example, a re-manufactured (OE replacement) Motorcraft power steering pump for a 2005 Ford F-150 costs $162. I replaced the sensor and the problem would not go away, in fact now the warning was on all the time. Sounds more like something is slapping. Thanks for the good job that you are doing. Order Chevrolet Colorado Oil Pump Kit online today. Vacuum Pumps Common Problems and Troubleshooting Vacuum pumps and systems are one of the widely used equipment in process plants. In older high mileage vehicles, it is not uncommon to see the oil warning light flicker at idle because of internal engine wear. The noise was mainly in the lifter area and some up top. Replaced the harmonic balancer still have the noise with the belt on. But what quieted it down was going to a heavier oil, 5w-0, I believe. Oil pump wear can bleed off oil pressure in the pump. 6L engine is a front-mounted crankshaft- driven pump. So when it's cold can be hard to pump through until warmed up. High oil pressure hurts efficiency. Classic car oil is a brand made for older cars that need higher zinc levels. Remove the pump and then attempt to pull the Engine Recoil Cord. Centrifugal Pump Vibrations: The Causes by Steven J. clacky sound on a Camry, it was the oil pump. Is the screen something that should be checked yearly? How could trash get past the filter?. Low oil pressure. It’s a sign of the deterioration of the pump’s internal gears. If does not sound like you actually have any sort of problem. The reality is, once you get to the level of sludge buildup that it has destroyed your oil pump you either a. How hard is it to replace the oil pump on a 5. Although he has heard of bad pressure release spring and pin (in the oil pump) he has never seen one in his 20 years as a GM mechanic. If you have experienced such sound before, kindly help me out. Please make sure you use a 15W40 quality diesel oil and change the oil and filter religiously at 5,000 miles. Oil Burner Fuel Unit Diagnostic FAQs Questions & answers about diagnosing & fixing the oil burner pump, This article reports common questions & answers about the oil burner fuel unit or oil pump used on oil-fired heating equpment suchj as the oil burner for a heating boiler, furnace, or oil-fired water heater. The pump has siezed from lack of oil or bad bearings. This mechanic at work is making me very nervous telling me that the oil pump on the 4. 8T, which has no. How oil diffusion pumps work. So if you pull the water pump off (a few bolts) you can see the oil drive shaft and see if it is turning when you crank the bike. A failing oil pump will create a whining or whirling noise. leave it be, use oil to prevent further build up and hope it doesn't break off or b. Thanks again. The oil pump was replaced but the noise was still present. It should be 5psi at idle and 35 psi at 2000 with hot oil. Noisy Valve Train. I bought a 2015 Chevrolet Silverado 1500 Z71 Crew Cab 4X4 with the 5. If you wonder whether or not you have a bad fuel pump, here are a few signs that it is time to get a replacement. C/H Pumps can get worn due to age and being very highly used. my question is how do i know exactly what is wrong with it and how much would it cost to fix. Defective oil solenoid valve. It is sealed with a slotted cap screw on the top left of the oil pump. One way of having low oil pressure without a bearing knock is to have a badly worn oil pump and low oil flow rate. Factory direct from the official K&N website. Low Oil Pressure, Weird sound in engine is broken so that the chain running the oil pump (and water pump I assume) is not spinning, nor is the crankshaft pulley. Shop replacement K&N air filters, cold air intakes, oil filters, cabin filters, home air filters, and other high performance parts. If you never heard a knock when it dropped to zero it may be the gauge but if I where in your postion with the miles and the 4. This is one time when a bad oil pump may be good news, and replacing the. Sue, I'm not sure about your engine size, but the 3. I ended up using a small clear hose, attaching it to the bleed nozzle and sucked on it until it filled with oil. The pump was returned to Goulds Water Technology (GWT), a Xylem brand, for inspection, as well as performance and vibration testing. Looked into the question about oil pump / balance shaft failure you put to us. The fluid first passes through a screen to remove debris, then travels through a tube to the pump. The clanking noise is a warning that there is insufficient lubricant that could be caused by a defective oil pump. We distinguish among buzzing relays that control the circulator, vibrating electric motors, shrieking circulator bearings, and circulator pump noises. Cold weather spells viscosity change and if the new oil has a higher viscosity at the colder temperatures, the pump could be sucking on it but it's not moving as fast as the pump would like so it creates a minute vacuum on the suction side which causes bubbles and the bubbles are what's making the noise. I'm stumped, thanks for all the help. The whirling noise developed by a failing pump is due to the internal gear mechanism wearing down. It is possible the oil filter might be clogged with gunk. It is the water pump’s job to constantly circulate the coolant throughout the entire cooling circuit and thus regulate the coolant flow rate. Today's vehicles are fuel-injected and require a more pressurized fuel supply than a mechanical fuel pump can deliver - as a result, they use an electric fuel pump or fuel module mounted in the gas tank itself. Repairing/Cleaning/Unsiezing Edwards RV8 Vacuum Pump: The Edwards RV8 Vacuum Pump is a very common rotary vane vacuum pump used in the scientific community. the Cam issue may have some symptoms but it was described to be with the cylinder deactivation and E85 could be wrong though. Cold weather spells viscosity change and if the new oil has a higher viscosity at the colder temperatures, the pump could be sucking on it but it's not moving as fast as the pump would like so it creates a minute vacuum on the suction side which causes bubbles and the bubbles are what's making the noise. A loud knock is usually associated with a rod bearing. Almost simultaneously, the sensor recognized a problem in the engine due to contaminated oil/bearings coming apart/oil pressure dropping just as coolant had dropped to a level that caused temperature to rise. Maybe just a bit of wear in a hydraulic lifter. This produces a sound that is more erratic than that of cavitation; the whining sound may be augmented by a sound similar to marbles or gravel rattling around inside the pump. The noise was mainly in the lifter area and some up top. From your description it seems more likely there was no oil in the engine, or not enough oil, and the sound your are hearing is bearings that went bad after five minutes with insufficient or no lubrication. A pump gear whine (mechanical noise) will not be corrected by adding oil or working on a suction problem. The pool pump motor emits noise as it operates, but under normal circumstances, the noise it makes does not distract you, your family or your neighbors. The engine and drivetrain must be ruled out before troubleshooting transmission noise or vibration. If you brake or decelerate your vehicle, the fuel pump will pump less fuel. Noise goes away if you run the engine at a higher rpm. Using this oil additive improves the performance of all your valves, lifter check valves included, and ultimately improves your overall fuel economy. section 1: hydrostatic system to change hydro oil on commercial models, remove oil return lines from top of hydro tank and place them in a disposable oil container. Oil pressure control valve may have failed. 3 high pressure oil pump. This cycle has been going on for about. 8L because of a leak. How oil diffusion pumps work. It should be 5psi at idle and 35 psi at 2000 with hot oil. It could be a bad fuse or you might have flipped a breaker. If you can't hear the pump, it's stuck. Most people believe their engines need way more oil pressure then they really do. If you have low oil pressure I would be more concerned about excessive clearances and worn parts. Is this a sign of an oil pump going bad or was the system just air locked at the pump?. Unlike other symptoms, this may be the most rare. The 2003 Dodge Ram 1500 has 6 problems reported for oil pump failed causing massive engine damage. If you hear a lighter "clunk" in the starter, it may be a bad solenoid, engagement gear, or starter. 8T type adds durability, and it reduces the cost to replace an oil pump. When replacing the timing chain, there are other items that should be replaced as a matter of course. A failing oil pump will create a whining or whirling noise. I have a 1996 Isuzu Rodeo, and for about 3 years it hasn't been driven much. We have checked the following: We thought it was a motor bearing, so we detached pump from motor, no noise heard. The repair cost which includes vat for oil pump / balance shaft repair: £. Re: Noisy oil pump 09-08-04 12:08 PM - Post# 509300 In response to beejay There is an old axiom that if a noise starts after some work was done, that work is place to start looking for the cause. Low oil pressure. Basically, he says to enlarge the oil passages from the pump to the filter, and to the main gallery. But if you run the engine with a bad oil pump, you risk killing the engine, which is a big deal. I just changed the oil and filter and it only took 5 1/2 qts. This is brought on by extreme bearing wear or damage. Oil pumps do not make loud, clacking noises. Also cheap oil filters break up and clog them too like Gruop7 for example. It's almost like the P2W gap was too small, or your oil pump problem caused lack of oil. If you hear a low-pitched grinding noise, it may indicate that your water pump bearing is going bad. Swap the oil filter adapter for the larger one with flared openings, PN C0AZ-6881-A. You could try to replace the pump with a high volume pump or in the meantime use a thicker oil. I have a 1997 Jeep TJ Wrangler 4. Before that pipe, there is often a net that will prevent. This condition will cause the oil safety control to trip. I would put 20W-50 in your crankcase unless you live in Alaska…its too cold there for that weight of oil. There is a snap-to-connect fitting on the back of the pump that cracks. Too much oil in the bearing bracket is a little messy since it will drain out. If you can't hear the pump, it's stuck. Worn valves can allow water to free flow in and out of a valve chamber and not be properly discharged from the pump. Low Oil Pressure, Weird sound in engine is broken so that the chain running the oil pump (and water pump I assume) is not spinning, nor is the crankshaft pulley. If you know your Bad Boy part numbers then type them into the search function and add them to your cart. you shouldnt be able to hear your oil pump at all. Also cheap oil filters break up and clog them too like Gruop7 for example. Go to the store to buy beer, come back out, look underneath - if there's a puddle of coolant, your pump is shot. There is a snap-to-connect fitting on the back of the pump that cracks. The old unit was definitely going bad and causing a lot of friction. You are supposed to change the oil in a Simms pump every time you change the engine oil. brand, has held a leading position in the air-operated double diaphragm (AODD) pump market with the broadest range of pump sizes, types and models that meet the need in a vast array of applications. This cycle has been going on for about. This motor has never been cranked with the starter even. No pressure showing on dash guage. Replace the oil filter and see if that makes a difference. Having said that I'm not sure if these would be the first symptoms a bad pump would show. While driving a "pinging" noise could be heard coming from the engine. These electric pumps do go bad and make a lot of noise when they do. A deep rapping noise from the engine is usually rod knock. Does anyone know if there could be any other causes?. [I got a new pump for $80 and when installing it, noticed that] the spring had broken into about 15 pieces causing my oil pressure to. A water leak from the pump could be a sign that the shaft seal or the gasket that sits between the pump and the engine has failed. No Start, with no smoke. He can screw in a pressure gauge in the oil sending unit hole and take a reading at the engine. How To Oil Series 100 Pump. Had a bad knocking noise coming from the engine. I had the oil changed on Saturday and this morning while driving to work the oil pressure went down to zero and the engine started making a "knocking" sound. Lastly, your oil pump may begin to make noise if it isn't working properly. If you wait too long, something that was once fixable can destroy your car over time. The difference is merely the length of the spur gears inside the pump housing; standard-volume gears are 1. The 2011 and 2012 F-150s use an electrical pump mounted on the left side of the radiator support, behind the headlight. You might consider pulling the distributor and making sure that it's there. This is brought on by extreme bearing wear or damage. The rod connects the crankshaft to the piston. oil pump noise 65vertvair. It also absorbs the heat from the running compo. I've done some surfing on the web and believe it could an imbalanced fan (from dust) or bad bearings. Oil pumps do not make loud, clacking noises. If your oil burner stops running the first thing you should check is the reset button. For example, a re-manufactured (OE replacement) Motorcraft power steering pump for a 2005 Ford F-150 costs $162. Expert plumbers choose Sta-Rite Pumps and Accessories to service their customers. A knocking or ticking noise from your engine is a sign that something is wrong, usually because of a lack of oil. Since the sound is steady and does not reflect changes in the movement of the machine, it is often confused with bearing wear in the pump. The internal water pump (what were they thinking?) leaked coolant into the engine oil. That means the pump is receiving power and it's responding. This sound is usually related to a pump trying to move cold oil. An immersion heater placed in the oil may help under severe cold conditions. Using this oil additive improves the performance of all your valves, lifter check valves included, and ultimately improves your overall fuel economy. So when it's cold can be hard to pump through until warmed up. if your hearing a louder tic or high knock noise is most likely a worn lifter but in some cases it is caused by the oil pump airating the oil. This pump is our newest member of the Adrenaline High Volume High Pressure Oil Series. Pump works too hard (you can here it rattling as it tries to shift the viscous biodiesel). If you hear a low-pitched grinding noise, it may indicate that your water pump bearing is going bad. Easy to use parts catalog. The vacuum pump is mounted on the back of the cylinder head and is camshaft-driven. So, here are 3 bad oil pump symptoms that, at first, may not sound too worrisome to you. It's a rare case but happens nonetheless when the pump is about to fail. The repair work would be down to yourself if you wanted it done. You know, pistons and crankshaft seizing. Without adequate oil, these parts will stop functioning correctly or quietly. The two most common indicators of a worn BMW oil pump are low oil pressure and unusual noise from the pump. If the internal components of the pump are worn out it will not be able to build up enough pressure to lubricate the engine. Expert plumbers choose Sta-Rite Pumps and Accessories to service their customers. The sound goes away when the motor rebuilds oil pressure in the lifter. Easy to use parts catalog. This extra space will cause the teeth to smack together during normal driving conditions, creating a loud noise. It's almost like the P2W gap was too small, or your oil pump problem caused lack of oil. The high pressure oil pump is the worst/most expensive problem. Pump or distributor noise would not "disappear" when the engine warms. If the oil is cold, the pump reduces the size of the internal chambers. In rare cases, a bad oil pump will make noise, normally a loud whining or whirring sound that can be heard when a vehicle is idling. I'll go pull some cam caps and see what I find. And it problem is oil pump which was not pumping oil propely to the engine. How to fix a bad oil pump. I could hear a clicking noise in what i thought was a relay. Hydraulic Gear Pump and Motor Failure energy with the use of the hydraulic oil. Camaro and Firebird: How to Replace Oil Pump. I don't think you really need the high volume pump. The symptoms of a bad oil pump are many, and some of them include abnormally noisy hydraulic lifters, valve train noise, a higher operating temperature in the engine, a decrease in the oil pressure of the car and a noise in the oil pump. These gas bubbles occupy space inside the pump and affect the pump's operating pressure and flow. Lennox ® heat pumps are some of the most precise and efficient you can buy. Check with gauge for correct light-off pressure. work great for 1 day, now the "sound" is back. An oil pressure test can help deduce if the oil pressure sensor has failed, or if the oil pump itself is no longer operating correctly. The pressure is made from the clearances between the bearings and journals of both the cam and crankshafts. When air enters a pump it sometimes gets trapped in the volute, this reduces the capacity, creates vibration and noise. A well-designed, efficient compressor for refrigeration, air conditioning, and heat pump duty is primarily a vapor-moving pump designed to handle a reasonable quantity of liquid refrigerant and oil. The units work like an all-in-one cooling and heating system, and are perfectly suited to warmer climates. Even with regular care, though, there are some common oil furnace problems that can occur. It also absorbs the heat from the running compo. Different types of fuel pumps will make slightly different sounds. 0 with 171K miles on the clock. Replace the oil filter and see if that makes a difference. 3L motor? i heard it was on the front of the block, outside of the oil pan, and it was cam driven. If you notice low oil pressure or a clanking noise coming from your lifters, then take immediate care of the issue and replace your oil pump. They rarely last 100,000 miles. Some engines need to be kept near the upper edge of the dipstick marker Replace water pump if there is play in the bearing. Hello-I am looking for some professional help to tell me if I need a new fuel pump for my beckett AF burner. There were no warning lights or indications of excessive heat or lack oil pressure detected by sensors on the engine. We can help you keep it flowing with our oil pumps, pickup tubes & screens, pressure switches, seals & gaskets. As an oil pump's internal gear mechanism deteriorates and wears, the oil pump will make noise as it begins to fail. Have another mechanic check it, and get a written report from him/her. The pump is not disassembled to do this. A bad belt and tensioner cause premature bearing and shaft failure and drastically reduce pump life. Do you need it for your 351W? As a rule of thumb high volume pumps aren't needed for most 'mild' motors that are kept under 5500RPM. Maybe just a bit of wear in a hydraulic lifter. The sound goes away when the motor rebuilds oil pressure in the lifter. This cycle has been going on for about. The pumps bearings allow the drive shaft to pass through the pump housing and attach to the impeller. One of the early warning signs of a bad fuel pump is the development of a high pitched sound when the engine is first engaged. I'm thinking the relief valve in the pump may allowing too much oil to flow back into the pan. it is a rattling noise from the P. The oil pump on the 4. auto maintenance February 10, 2018 Signs and Symptoms of a Failing Fuel Pump You don’t have to be a mechanic like our team at Wiygul Automotive Clinic to know when a fuel pump goes bad, there will be problems with your vehicle. A bad shaft seal can also cause aeration if the system is supplied by one or more fixed displacement pumps. Now that I've made you all paranoid, here's the laughably simple fix. The heat may temporarily cause the fluid to run very hot also. do you have to pump up. Diffusion pumps differ from conventional mechanical pumps in that they use a high - speed jet of fluid to direct gas molecules in the pump throat down to the bottom of the pump and out the exhaust, which is usually called the foreline. Think about it, usually, an oil pump is two dumb ol' iron gears spinning around immersed completely in oil. Mind Pump Hemp Oil Hemp Oil Sales Mishawaka - Is Hemp Oil Bad For Testosterone Mind Pump Hemp Oil Quicksilver Scientific Hemp Oil Reviews Can I Use Hemp Oil Over A Stained Wood Without the required balance of alkaline within your diet (alkaline come from such sources as fruits and veggies and vegetables), the body will would be smart to find. Save your receipts as proof of purchase for the oil and filter. Knowing about common signs of a bad oil pump will help you detect the issues before it is out of your control. A pump gear whine (mechanical noise) will not be corrected by adding oil or working on a suction problem. Motorcycle Troubleshooting Guide – Four-Stroke Motorcycle Troubleshooting Guide While this Motorcycle Troubleshooting Guide is not a complete guide of every possible cause for each problem listed, it will help assist mechanics in troubleshooting some of the most common difficulties they will face. If the fan becomes loose, it can make a clicking sound. There is 12v going to this pump but it does not seem to pump any fuel. There are many oil pumps to choose from, but the most common is the GM replacement, which will be discussed in this article. Loading Unsubscribe from 65vertvair? 1999 ls1 camaro oil pump swap part 2 Installation - Duration: 20:02. I'm kind of stumped. This is not your problem because the pump is driven off the distributor shaft. Remove distributor and all spark plugs. Basically, he says to enlarge the oil passages from the pump to the filter, and to the main gallery. performance of oil diffusion pumps in a production environment. A deep rapping noise from the engine is usually rod knock. If you hear a lighter "clunk" in the starter, it may be a bad solenoid, engagement gear, or starter. Order Chevrolet Colorado Oil Pump Kit online today. Transmission Oil Pump. It's also a tapping noise. I gave the OK to pulling the oil pan and replacing the oil pump but wanted to see the pan before cleaning. It sounds like a bad fuel pump beginning to show itself. It can stick, get leaking o-rings, fail, or have a faulty connector. That's the sound of the fuel pump being energized. 2014 Grand Caravan Oil Pump Noise (2nd pump) And the engine does click a bit. From your description it seems more likely there was no oil in the engine, or not enough oil, and the sound your are hearing is bearings that went bad after five minutes with insufficient or no lubrication. The dealer recently replaced the oil pan gasket on my 08 Silverado 4. How can one access the oil pumps - are they visible from the outside? A. carefull what your listening too though. Remove the pump and then attempt to pull the Engine Recoil Cord. We have checked the following: We thought it was a motor bearing, so we detached pump from motor, no noise heard. I just replaced the oil pump, and I still have no oil pressure. If oil is the life's blood of an engine, the oil pump is the heart. I reluctantly added oil ( bad experience in past overfilling) and have ridden ~20 miles since. I bought a new oil pump. give this thread a coupl more hours and im sure some other. This pump is our newest member of the Adrenaline High Volume High Pressure Oil Series. The air may be the result of a suction side leak at the oil pump and/or pick up tube o-ring, or it may be the result of the lifter design. If the fan becomes loose, it can make a clicking sound. When you have the pan off it will be most convenient to remove the oil pump before working on the bearings, and you will want to inspect the oil pump anyway. Pump inlet and discharge valves control the flow in and through the pump. Is this a sign of an oil pump going bad or was the system just air locked at the pump?. That part was discontinued a long time ago in favor of a red O-ring that is slightly thicker, at 0. I'd think ultimately, the symptom of a bad oil pump is motor destruction. Proactive maintenance emphasizes the routine detection and correction of root cause conditions that would otherwise lead to equipment failure. Then it starts to mouth off to you and tell you you don't know what its going through. But bring it in with your symptoms, not a diagnosis. Turbo position is control by oil, injector pressure is controlled by oil, and of course engine lubrication. It occurs when gas bubbles are formed in the pump due to drop in absolute pressure of the liquid below vapor pressure. 0 is even more complex than the 7. This is the most severe — and potentially costly — cause of a ticking engine. If you're questioning what is normal engine noise, I may have the answer. If you don't have enough oil, or enough oil pressure, the top end of your engine will suffer first. ^^This^^ The most sensible post so far. Unusual sounds can often indicate system failure. There are two types of gauges: electric and mechanical. Pump inlet and discharge valves control the flow in and through the pump. A squealing noise could indicate a loose V-belt, but it could also be a clue that one of the components it is turning, such as the alternator or fresh-water recirculating pump, is freezing up. The Achilles Heel of the Skyline RB26 motor is the oil pump, I personally caught this issue on my own Second GTR (Build Story) leading me to replace it with a new one. I would pull the distributer and look it over, paying close attention to the gear on the end and where it meshes with the oil pump and camshaft. After reading this whole thread you really seemed to have some bad luck, maybe that engine is just cursed. ----- M-55 and M155 GM OIL PUMP IMPROVEMENTS FOR 2004. I use oil pumps from Precision Oil Pumps They are blueprinted and one of the best you can buy. ok, so I changed the oil and filter and put gunk in it,then replaced oil and filter. Using only top quality fountain pumps and proper maintenance fountain pump noise can be keep to a minimum. In older high mileage vehicles, it is not uncommon to see the oil warning light flicker at idle because of internal engine wear. If it is not working properly, the chance of engine failure is extremely high. The original oil pump o-ring was black 11-41-1-250-274, 0. MK5 GTI - tapping/ticking sound from engine I guess if that's badly worn it could cause a noise that would be made worse when the oil is hot. Central heating pump failure symptoms. "Recently, we bought a used hydraulic power unit (15HP electric motor directly coupled to a vane pump). See Small Engine Mechanic for repair. The clanking noise is a warning that there is insufficient lubricant that could be caused by a defective oil pump. Inevitably, this will cause the oil pump to work harder, operate at lower pressure or even cavitate, which could be detrimental to the longevity of your engine. To check for this problem. Replacing a bad water pump isn't a quick job, but it'll save you from the worse job of replacing your engine. carefull what your listening too though. I'd think ultimately, the symptom of a bad oil pump is motor destruction. So I have a 2007 Mazda 6 2. A larger amount of oil/refrigerant mixture in the oil pump usually results in low net oil pressures. This produces a sound that is more erratic than that of cavitation; the whining sound may be augmented by a sound similar to marbles or gravel rattling around inside the pump. Delivering effective temperature and humidity control, and efficient energy usage, Lennox heat pumps keep your home’s temperature exactly where you want it. Recommended pulling the oil pan replacing the oil pump all not covered by the warranty due to lack of maintenance and possible replaces lifters or total engine replacement. The dealer can't deny your warranty coverage on the fuel pump even if you did do the 1000 mile service. An oil pressure test can help deduce if the oil pressure sensor has failed, or if the oil pump itself is no longer operating correctly. Ford TSB 09-9-7 says replacing the grooved nylon FEAD (front end accessory drive) idle pulley with P/N 6L3Z-6C348-A should eliminate the noise. you might notice a leak from it ,or a low oil pressure reading on the gage,you might also have the car die out at times,they don't always leak when they go bad,they can just simply go out,usually though you,ll notice a drop in oil pressure according to the gage,if you suspect this is the problem just change it,their not that expensive,and they do go bad,sometimes,or you can have a shop check. Too much oil in the bearing bracket is a little messy since it will drain out. One way of having low oil pressure without a bearing knock is to have a badly worn oil pump and low oil flow rate. Bad bearings could be causing this in both components. Checked the timing chain, tensioner and the chain tightener. Also, we get low oil pressure to the chain tightener as the engine gets hot.