Question about 1993 Pontiac Grand Am

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I have a 1992 Pontiac Grand Am. The oil pump is going out and I would like to know how much it would cost to replace? Also, how much does a pump cost and is it easy to install?

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It may be engine wear alos. When crankshaft bearigs wear, oil pressure can drop. Make sure you test the pressure with an external gauge to be sure.

Posted on Sep 02, 2010


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Posted on Jan 02, 2017


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93 Pontiac Quad 4 No Oil Presure

There will be one of three things wrong:
1) The oil pump lost prime. This engine uses a gerotor type pump and long periods of sitting allows the oil to drain back to the pan.
2) There is a restriction at the oil pickup screen or at the passage between the block and head. There is a check valve in the block (at the head gasket, there is an opening) and there could be trash blocking it.
3) IF you're lucky, its a defective sending unit.
Until you know for sure, don't run it. Install a mechanical guage, disable the ignition system at the module plug, and crank the engine. Some pressure should register on the gauge, if only 3-5psi. If it doesn't, remove the oil filter, take a quart of oil with a nozzle on it and force oil back into the outlet port of the filter housing, fill the filter completely, then spin it on as quickly as you can. Some oil will be spilled, but this is a step you want to take before tearing into the motor. Another quick way is put approximately 10 quarts of oil in it and with the ignition disabled, crank it over and see if the pressure comes up. (GM sent that as a bulletin on Northstar engines that lost prime. The down force of the pistons will force the oil to go to the pump.) JUST BE SURE TO DISABLE THE IGNITION. Hope this helps...

Dec 18, 2017 | 1992 Pontiac Grand Am

2 Answers

I have a 1994 pontiac grand am and it is leaking oil only when its running and it is coming just above the starter. I just got the starter replaced also. what is going wrong and how much will it cost me....

if this only happen after the starter was replaced then its probably the oil pressure switch leaking as it is above the starter.this will be a cheap fix(about 35 dollars)depending on labour rate and cost of part.

Apr 25, 2011 | 1994 Pontiac Grand Am

1 Answer

I need a engine pump put on my car

oil pump? water pump? Air cond pump? what are you asking? If you have the tools and some experience then i say go to local parts store and get a $25.00 repair manual and have at it. If any thing else take it to a repair shop. Dealerships are expensive, a repair shop will be 1/2 the cost. check for pricing and best of luck to you. the water pump is not that bad although it is done from underneath the car. Experienced mech 2-4 hours, average person with some idea of what to do 4-6 hrs. person with no experience 1 - 2 days and maybe not at all.

Jan 14, 2011 | 1992 Pontiac Grand Prix

1 Answer

So my 1992 grand murquise is leaking oil from the oil cooler line how much will it cost me

Don't know the cost.
It is not a replacement part, it must be repaired.
Your best bet is to get under it, and replace the rubber hose portion,near the trans cooler,if that is your issue. Don't see paying a shop to do that. They don't like that type of work anyway.
Have a handy relative help you out.

Sep 21, 2010 | 1992 Mercury Grand Marquis

1 Answer

On a 1992 Pontiac Grand Prix is there an access panel in the trunk allowing me to replace the fuel pump without dropping the tank?

No, unfortunatly not. They did not come up with that feature until later models. The fuel tank will have to be removed and the pump replaced.
Good luck.

Jun 24, 2010 | 1992 Pontiac Grand Prix

2 Answers

I replaced the fuel pump in my 1992 Pontiac Grand

Some times this noise will stop later,but if it does not stop ,within 25 miles,it most likely will not,take the pump back as a defective part for exchange.

Jan 31, 2010 | 1992 Pontiac Grand Prix

1 Answer

The oil repair light came on the other day and Im assuming it has to do with the oil pump going the pump located in the engine? and how much would it cost to repair?

Oil repair light? Maybe you need to add oil or the oil level censor is bad or it's time to change your oil. If it is your oil pump it is in the engine most times you have to remove the engine to replace it your looking at spending 500-800 to fix depending on the garage you take it to.

Oct 11, 2009 | 1999 Pontiac Grand Am GT

1 Answer

1999 pontiac grand am 4dr. se. change oil light problem

seems like your oil pressure switch gave up, its located on the side of the oil filter, you can take it out and test with a amp meter. it should cost you less than 20 bucks to buy something like that.

Jul 20, 2009 | 1999 Pontiac Grand Am GT

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