1991 Deville Leaking Coolant near water pump
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HT4100 4.1, 4.5, 4.9 Discussion, 1991 Deville Leaking Coolant near water pump in Cadillac Engine Technical Discussion; Hello, I have this problem with my car. First, I thought it was the waterpump so I replaced it. The ...
  1. #1
    CorpBlack is offline Cadillac Owners Member
    Automobile(s): 1991 Cadillac Deville Sedan
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    Apr 2010
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    1991 Deville Leaking Coolant near water pump

    Hello,

    I have this problem with my car. First, I thought it was the waterpump so I replaced it. The car is still leaking out of the same exact spot.

    it is located near the bottom of the waterpump to the left of the spindle/pulley. I thought it was coming from the water pump so I had it replaced. It is still leaking.

    I heard that there were hoses located in the area that I am talking about if anyone understand the area I am talking about. I heard that one of those hoses could have a leak.

    Can anyone give me any more information on this. Also, can you tell me what sort of hoses they are. Maybe even the size along with the easiest way to get at them. Any information would be grateful.

    Thank you!
    Matt

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  3. #2
    CorpBlack is offline Cadillac Owners Member
    Automobile(s): 1991 Cadillac Deville Sedan
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    Re: 1991 Deville Leaking Coolant near water pump

    Please, anyone if you have any information I will be very grateful

  4. #3
    cadillac_al is offline Cadillac Owners Connoisseur
    Automobile(s): Cadillac 78 Seville, 78 Coupe de Ville, 92 Sedan de Ville
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    Re: 1991 Deville Leaking Coolant near water pump

    I would jack up the car and wipe everything off as best I could and see if I can actually see where the leak is coming from. It sounds like ti isn't the pump now and there is a hose that runs below the engine in that area. The only way to know for sure is to literally see it.

  5. #4
    CorpBlack is offline Cadillac Owners Member
    Automobile(s): 1991 Cadillac Deville Sedan
    Join Date
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    Re: 1991 Deville Leaking Coolant near water pump

    Does anyone have a picture of the area in question or a diagram. Basically the bottom of the engine, behind the spindle's and serpentine belt near the water pump. If not any ideas on where I could get one?

  6. #5
    drewsdeville's Avatar
    drewsdeville is offline Cadillac Owners Master
    Automobile(s): none
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    Re: 1991 Deville Leaking Coolant near water pump

    Sorry, no picture but if you are sure everything was installed correctly, you may have a bent or damaged timing cover that won't allow the water pump to seal. Sort of strange that you have a leak in the same place both times...

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