Question about 1999 Buick Riviera

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Water pump removal on a 1996 Buick Riviera (supercharged)

What is the trick to removing the water pump? The pulley for the power steering pump blocks the extraction of one (the last) bolt. Do you have to remove the power steering pump pulley? Does it take a puller?

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  • timcnunn Jan 25, 2009

    Yes to both

  • Anonymous May 11, 2010

    well i cannot verify that you have to take power steering pulley off , that is not in the procedure in 2 manuals , for the supercharged and non supercharged 3.8 engines . i suspect the power steering pulley has a couple of holes in the front for the P/S pump bolts to go thru , is it possible you could sneak that last bolt thru 1 of those holes , if not i would suggest if that pulley is in your way , the pump mounting bolts will be accessed thru pulley access holes , undo the pump bolts , think they are 13mm , just scoot it over enough to complete your mission , by the way labor guide allows 2.7 hours for that water pump job .
    J5


  • Anonymous May 11, 2010

    is this the 3.8 liter v6 your working on ? 96 buick riviera ?

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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.

Posted on Oct 16, 2010

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How to remove water pump

Posted on Sep 08, 2010

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