Question about 1999 Chevrolet Blazer

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1999 Chevrolet Blazer oil pump

How difficult is the job to change an oil pump for my truck?

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  • Anonymous Dec 07, 2008

    oil pump needs replaced on a 1999 chevy silverado 4x4


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You must disconnect the motor mounts and remove the colling fan blade(so it won't hit the shroud) and raise the engine as high as poss, then remove the flywheel flex-plate cover and remove all the pan bolts, gently pry the pan from one side to the other until the gasket breaks loose, remove the old oil pump and reverse the procedure.

Posted on Oct 04, 2008

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My 1999 Chevy blazer was pouring oil out like a faucet... what's wrong?what do I need to do to fix it.or shall I take it to the mechanic to get it fixed.

check the oil sending unit at the back of the intake manifold and check the oil filter and oil cooler lines one of them might be broken and the oil being pumped out

Nov 14, 2016 | 1999 Chevrolet Blazer

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How to change a oil pump on a 2004 Suzuki forenza car with a 2.0 engine

I think the oil pump is in the oil pan. Messy difficult job. Not for most people because you really need a lift. How do you know you need a new oil pump?

May 04, 2015 | Suzuki Cars & Trucks

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Lost all oil pressure and the blazer shut off. its a 1985 2.8 v6. is there a automatic cut off in the car? And how hard is it to change the oil sending unit?

The fuel pump gets power from the oil pressure switch once the engine is started. So if oil pressure drops below 5 psi the engine should stop.
Other than a special socket to fit the oil pressure switch, its not too difficult to change.

Jan 23, 2014 | 1985 Chevrolet S-10 Blazer

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Replace oil pump for 2000chevy blazer

You must raise the truck and support on stands, then disconnect the engine mounts and raise the engine as high as poss off the mounts, remove the oil pan and the pump is inside, a real bear of a job on the ground.

Feb 22, 2012 | 2000 Chevrolet Blazer

1 Answer

When the truck runs for (30 minutes plus) the engine starts having a ticking noise coming from it. There is no oil leaking but I was told that it is probably the oil pump. If so does the oil pan have to...

It is most likely a lazy lifter or a loose rocker on the valve train. I would not remove or replace the oil pump at all, unless you have low pressure and tested the pressure, but usually, low oil pressure for a short period of time creates catastrophic damage by the time it is realized.

Jan 08, 2011 | 1999 Dodge Durango

1 Answer

I was driving my 2001 blazer and the oil filter burst, we towed the Blazer home, replaced the filter and it blew apart, what can cause this, 4.3 auto 4x4, ed.

Blockage in a oil gallery --thats for sure but where ,its a strip engine out and rebuild job to find it ,what about the oil pressure relief valve on the oil pump

Jan 03, 2011 | 2001 Chevrolet Blazer

1 Answer

Oil pump where is it?

The oil pump is mounted inside the oil pan and driven by a shaft that drives both the distributor and the oil pump.
The oil pan will need to be removed to access it.
Once the oil pan is off the oil pump is easy to change, although a messy job.
Thank you for using FixYa.


Nov 26, 2010 | 1998 Chevrolet Blazer

1 Answer

Having a hard time to start the car, the oil sending unit is telling the computer there's no oil, when there is.

There is a possibility that the oil pump isn't working up to par. The oil sending unit isn't telling the computer that there isn't any oil specifically, it's telling the engine computer that there isn't any oil PRESSURE. Just because there is oil in the engine doesn't mean that it's getting to where it needs to go, and an engine that's running without proper oil pressure, and therefore lubrication, will definitely be difficult to start, and even more difficult to keep running. In order to prevent further damage, I wouldn't run the engine until you're able to determine whether the oil pump is doing its job or not.

Oct 17, 2010 | 1995 Dodge Intrepid

1 Answer


It's a difficult job requiring the engine to be hoisted above the engine bay so the sump can be removed to gain access to other parts needed to be removed before doing the pump removal.

Jan 22, 2010 | 2003 Volkswagen Passat

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