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Why engine oil not going up - 1987 Porsche 944

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Bad oil pump.?

Posted on Jul 12, 2009

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Posted on Jan 02, 2017

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How to tell if oil pump is starting to go out?


1. Engine Noise. With a bad oil pump sufficient engine oil will not get to all parts of the engine, especially the top end, and you will get engine noise with metal parts that would normally be lubricated and quiet knocking due to metal to metal contact. Engines with hydraulic lifters that become noisy can be a sign that they have insufficient oil supply. In addition to the hydraulic lifters, your valve train may begin to make noise if your oil pump begins to fail. Valve train components need to be properly lubricated as well. A bad oil pump can result in a lot of additional noise from your valve train system.

2. Higher engine temperature. Poor lubrication because of poor oil flow generated from the pump will cause friction in the engine and the engine temperature will rise. Good oil flow is essential for lubrication and reducing friction to a minimum.

3. Low oil pressure. The oil pump generates oil flow through the engine but tolerances between metal parts produce the oil pressure. Very worn engine bearings will result in low oil pressure. Thus a worn engine will have low oil pressure even though the oil pump may be fine and there is no issue with the oil pressure relief valve either. However you will also experience low oil pressure due to a failing oil pump because poor oil flow will also result in lower oil pressure.

If your oil pressure warning light has been triggered in your engine, the causes of the low pressure need to be properly investigated because the problem may not be with the oil pump. People replace oil pumps assuming that is always the problem and then still have low oil pressure because the pump was not the problem to begin with.

Dec 05, 2015 | Cars & Trucks

1 Answer

Oil filter lines


taking it you have a off engine oil filter the lines go under the engine to where a oil filter would go if you had a on engine oil filter it looks like a cap with a center bolt and 2 lines coming off it

Feb 17, 2013 | 2000 Ford F250 Super Duty Crew Cabs

1 Answer

We are overhaulin a 4hf1 engine. There seems to be no oil circulation. The oil light is not going off too. We have purchased a new replacement oil pump but no change.


Oil pressure switch is on the opposite side of engine to oil filter so the oil has to have pressure through the crank to go off.
To trace:
1. Remove sump/oil pan and remove oil pump.
2. Check oil pump turning it by hand.
3. Is the oil outlet pipe going to filter connected? There is s rubber O ring at the top too. Check.
4. Remove oil filter and check gallery pump to filter using compressed air.
5 If ok check oil filter to engine gallery as above. You might have to loosen the main bearings so that the oil gallery is not restricted by the bearings.
6. Remove oil pressure switch and blow jouna from tha end as well.
7. All that done and with oil OK down there chech if you are getting oil on the rockers after starting engine. If OK then you are done. If not check head gasket installation.

Sep 01, 2011 | 1995 Isuzu Pickup

2 Answers

I have a GMC Sierra 2008 and the light of the engine come on and The Oil Pressure is to low, can you tell me what is going on Thanks


Sounds like you are triggering the check engine light due to low oil pressure. I would check your oil level and see if you are ok with oil. If you are then go to the nearest parts store and have them run a diagnostics (free) and tell you what the code is reading. That way you know what is going on. I have a feeling though that your oil pump is going bad and you are going to need a new oil pump

Jun 11, 2011 | 2008 GMC Sierra 1500

2 Answers

I have a 1992 dodge D150 with a 5.2L and oil pump is going bad, how do I remove and replace it?? Thks John


5.2L and 5.9L Engines
It is necessary to remove the oil pan, and to remove the oil pump from the rear main bearing cap to service the oil pump.
  1. Drain the engine oil and remove the oil pan.
  2. Remove the oil pump mounting bolts and remove the oil pump from the rear main bearing cap.

To install:
  1. Install the pump and tighten the cover bolts to 95 inch lbs. (11 Nm).
  2. Prime the oil pump before installation by filling the rotor cavity with engine oil. Install the oil pump on the engine and tighten attaching bolts to 30 ft. lbs. (41 Nm).
  3. Install the oil pan.
  4. Fill the engine with the proper grade motor oil. Start the engine and check for leaks.
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Jun 03, 2011 | Dodge D150 Cars & Trucks

4 Answers

Oil pressure low when idling. When running engine


first check the oil level if its good then change the oil if you hav'nt done so all ready and add some LUCAS oil stablizer this may help alot if not then the oil pump is most likley going bad and needs to be replced before the engine lacks oil and cause the engine to seize.

Mar 14, 2010 | 2000 Chevrolet S-10

2 Answers

I have a 2000 trooper that burns oil. I let it


If the engine oil light wont go off it might be the damage is done and you need some major engine work .

Oct 03, 2009 | 2000 Isuzu Trooper

1 Answer

How to change oil pan


if the owner is the one going to change the oil pan , then the owner should locate the oil pan .Prepare the the equipment going to be used in changing the oil pan. First drain the oil or the engine oil that is in the oil pan. In draining, the owner of the car should twist the drain plug until it loose that the oil will spill on a can or to where the owner will place the engine oil.The oil pan is connected to the engine with the bolts . The owner have to twist the bolts until the oil pan is being place out of the engine . then replace the oil pan .Then the owner have to place back the bolt using the bolts to connect the oil pan to the engine twist the bolts again until the new oil pan is connected to the engine.Close or twist the drain plug until engine oil will not spill , Then refill or place engine oil to the engine. If the owner cannot do it then the owner have to go to a car mechanic to do the task or the job.

Sep 26, 2009 | 1996 Plymouth Breeze

1 Answer

New engine oil going into air filter box



If you see oil in air filter means oil cotrol piston ring worn out. or broken.
engine oil passes gap between engine block and piston rings.
so you need engine ovaholing.

Oct 14, 2008 | 1993 Volkswagen Golf

2 Answers

Rapping/ticking sound in my 2001 Chevy tracker engine.


does it go tick tick tick tick and when it warms up it stops or goes quiet?
its your lifters not getting enough oil
when u change your oil it will stop till that oil gets worn out
you will have to replace the lifters or it can also be a slack oil pump not pumping oil around the engine like it should

Sep 04, 2008 | 2001 Chevrolet Tracker

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