2004 Pontiac Grand Prix Logo
Posted on Jun 29, 2009
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Need diagram to replace water pump - 2004 Pontiac Grand Prix

  • 5 more comments 
  • ellerbed Jun 29, 2009

    never changed a ater pump on this particular car. anything will help. Thanks

  • ellerbed Jun 29, 2009

    i have a 3.8L

  • ellerbed Jun 29, 2009

    it's a V-6

  • ellerbed Jun 29, 2009

    Thanks very much

  • ellerbed Jun 29, 2009

    Could my heater coil be going out instead of my water pump?

  • Marvin
    Marvin May 11, 2010

    ok, but 1st need to know what engine you have?

  • Marvin
    Marvin May 11, 2010

    no diagrams, just written instructions in factory service manual.

×

1 Answer

Marvin

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  • Pontiac Master 85,242 Answers
  • Posted on Jun 29, 2009
Marvin
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Joined: Jun 20, 2008
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1) Drain the radiator. 2) Loosen the 4 bolts on the water pump pulley. You will remove the pulley and install it on the new pump. Just loosen the bolts 1/4" turn with the belt still on, this will prevent the pulley from turning. 3) Remove serpentine belt. 4) Remove 4 bolts and the pulley and set aside. 5) Remove two power steering pump bolts (15mm). You must do this because one of the bolts for the water pump is behind the PS pulley, and you can�t remove it without moving the PS pump out of the way. The bolts on the PS pump are in the 12 o�clock and 6 o�clock position. There is a large access hole in the PS pump pulley. Just line it up, slip in a long socket and remove them. Let the PS pump rest on the oil filter housing. 6) Remove water pump. There are 4 large bolts (15mm) and 4 small bolts (3/8") on the water pump. After the bolts are all out, I placed a length of pipe on the water pump and gave it a couple taps with a hammer and it popped right off. 7) Remove old gasket. The tool of choice IMO is a razor blade like you�d use to remove a windshield inspection sticker. Be careful not to score the mating surface. Remove old gasket and dry off surface. 8) Seat the new gasket and water pump in place, install all the bolts. 9) Reinstall the PS pump and torque bolts. 10) Install pulley on water pump and torque. 11) Install serpentine belt. 12) Re-torque bolts on water pump pulley if needed

  • Marvin
    Marvin Jun 29, 2009

    do u have steam inside the car or coolant on the passenger floor? if not the heater core is ok.

×

1 Related Answer

Anonymous

  • 382 Answers
  • Posted on Jul 21, 2010

SOURCE: need to replace water pump in2005 kia sedona

The kia sedona water pump is an internal pump and needs to be replaced with timing belt service. if it is leaking, then you need to change the timing belt as well. probably not something you want to do in the back yard and will run you between 400 and 600 depending on your location and shop.
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Water pump replacing

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http://technoanswers.blogspot.com/2011/11/water-pump-replacing-procedure-for-all.html
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