Question about 1998 Buick Riviera

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How do i remove water pump on 1998 buick riviera .I have al the bolts detached minus the one wih the pully in front of it that butts up against the motor mount

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  • Barrett Thompson Oct 03, 2009

    How do I remove the motor mount?


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U must jack up the car underneath the oil pan to support the engines weight. Then remove the motor mount. Then you can remove the last two bolts on the water pump.There are two holes in the bracket that is bolted to your engine block.These holes allow u access to the last two water pump bolts. If you loosen the upper bolt of the bracket itself u can swing it forward to get to the bolts on the water pump more easily. Do not completely remove the bracket! It's a tight space, but you'll extend the repair time if you remove the bracket versus swnging it forward.

Posted on Oct 03, 2009

  • Jacksond1_20 Apr 30, 2012

    I just replaced mine found same problem after I had to move power steering pump. I just cut that last bolt with a hack saw blade, went to lowes and got a 3 inch by 5/16 all thread filled hole with permatex screwed in my makeshift stud and put a washer and nut on it. Works just fine and saved a lot of time and money. You have to put one end down in pully first work it a little but it will go in. They should have used a stud there from factory.


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1 Answer

Whaere is the water pump located

The water pump is on the top right hand side of the engine if you standing on the passenger side looking at the front of the engine. Keep in mind that the water pump only goes back on one way, so make sure that you have it clocked right or the bolts wont line back up. Remove the water pump pully first before you take the belt off. This makes it easier to break the pully bolts loose and then remove the water pump bolts. Then after, put the pully back on and then the belt and then tighten the pully bolts, the belt will help hod the pully for you.


Aug 08, 2011 | 2003 Buick Rendezvous

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Changing water pump and powersteering pulley is in the way of one bolt. how do i get the pully off


Oct 16, 2010 | 1996 Buick Riviera

2 Answers

I'm changing the water pump on my 98 Riviera and cannot get all bolts out. I've blocked the engine and removed motor mount. There is a pulley in the way of removing one of the bolts. Does it need removed?...

If the pulley is blocking the Bolt (which I beleive it is) and preventing you from getting a socket on completely and the pulley has no openings in it to get to the bolt you could try an open end wrench that fits tightly and properly.
If none of the above is possible then the pulley will need to be removed.
It should turn counter clockwise to losen.
I hope this helps you,

Mar 14, 2010 | 1998 Buick Riviera

1 Answer

I a removing the water pump from my 96 buick riviera and i am haveing a hard time removing the last bolt what can i do

if the bolt is hitting the frame rail or the motor mount the only thing you can do is put a floor jack under the engine to hole it and take the motor mount out and raise or lower the engine to remove bolt

Oct 19, 2009 | 1999 Buick Riviera

1 Answer

Crank sensor location on a 1991 3100 motor

1991 Buick Rivera only came with a 3.8L engine known as the 3800
The crank sensor is behind the Harmonic balancer / Crank pully. Special tool required to remove pully without damageing it. once pully is off the crank sensor is held inplace by 2 bolts.

Oct 15, 2009 | 1991 Buick Riviera

1 Answer

How do I loosen or remove Ideler pulley with star bolt head?

put a socket on the middle bolt of idiler pull and either tighten/orloosen will move the idiler pulley out of the way. then have another ratchet ready to get your other bolt off... might be easier to just take out that bolt on idiler pull and that will remove the pulley to?? your choice ! Richie

Oct 04, 2009 | 1998 Buick Riviera

1 Answer

How to replace a water pump in a 1989 buick riviera (how difficult is this?)

Not too bad. Loosen water pump pulley bolts then remove belt. Remove pulley and remove all of the pump bolts.

Jun 15, 2009 | 1989 Buick Riviera

1 Answer

How do you replace the water pump on a 1995 buick riviera

Place Jack under engine with wood to hold it up. Remove uper engine mount(leave loose in engine compartment. Loosen pulley bolts. Remove belts. Remove alternator bolts and lift out of the way for easy access to power steering bolts. Remove 2 power steering bolts using access holes in pulley. You should be able to accessall of the water pump bolts now by moving things out of the way as you go. The two larger bolts toward the radiator can be accessed through the two holes in the motor mount ( you will need a short socket on a 1/4" drive rachet). You should be able to get the pump off now. Installation is much easier than removal.

Jun 07, 2009 | 1995 Buick Riviera

2 Answers

Water pump removal on a 1996 Buick Riviera (supercharged)

there are two bolts that hold the power steering pump in place that are accesable through the holes in the pulley. If you use a 6" extension and a 1/2" socket you can reach them. this will allow the pump to be removed and hang by the hoses and be out of the way. I was told also to inspect the cam sensor while it is apart because you have to remove the water pump in order to get to it.

Jan 24, 2009 | 1999 Buick Riviera

1 Answer

How to change a water pump on a 1999 Buick Century 3100?

the water pump on the 3.1 isnt to hard to change ...
  1. Disconnect the negative battery cable.
  2. Partially drain the cooling system into a suitable container.
  3. Remove the drive belt guard.
  4. Loosen the water pump pulley bolts before removing the drive belt. This should help keep the pulley from turning as the bolts are loosened.
  5. Remove the drive belt. Remove the water pump pulley bolts and remove the pulley.
  6. Remove the water pump bolts and separate the pump from the engine front cover.

Dec 09, 2008 | 1998 Buick Century

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