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Thread: What is this part?

  1. #1
    Stewie2395 is offline Cadillac Owners Member
    Automobile(s): cadillac catera
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    What is this part?

    photo (1).JPG

    It's located under my antifreeze tank, it sometimes drips and smokes and i have no idea why.. any help?


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  3. #2
    investor74 is offline Cadillac Owners Enthusiast
    Automobile(s): '97 Forest Green Catera
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    Re: What is this part?

    I believe that is one of the auxilliary water pumps.

  4. #3
    JohnJJO's Avatar
    JohnJJO is offline Cadillac Owners Fanatic
    Automobile(s): 2000 Catera Sport
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    This is your axuality water pump. Passanger side one very important!!! If its don't work it will have over heating. U have one more on radiator - driver side. It's common problem on Cateras, they quit working, or leak. I would recommend u to replace it asap.

  5. #4
    Stewie2395 is offline Cadillac Owners Member
    Automobile(s): cadillac catera
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    Re: What is this part?

    Well, it doesn't smoke all the time and the leaking doesn't either. Some days it stops all together, but also how much do they cost and where could I get one?

  6. #5
    marko69 is offline Cadillac Owners Fanatic
    Automobile(s): 2001 Catera Sport, 1990 Porsche 944 S2 cab
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    Re: What is this part?

    It is the Heater Auxiliary Water Pump.

    From the book:
    With the ignition ON, the heater auxiliary water pump runs continuously and increases the flow of coolant to the heater core. At low RPM or idle, coolant circulation to the heater core is low and a failure in this pump would result in poor passenger compartment heating. The pump is mounted on the RH strut tower.

    Put your hand on the pump and wiggle the connector and see if it starts working. I had a bad connector and a bad pump. I got one from the junkyard for 15 or 20 dollars. If you do that, make sure you get a receipt. I had to go back a few times to get one that worked.

  7. #6
    Stewie2395 is offline Cadillac Owners Member
    Automobile(s): cadillac catera
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    Re: What is this part?

    What do you mean to see if it starts working again? I mean my engine doesn't overheat or anything, in all the car works well, that doesn't seem to be hindering the car any. But i thought you know fix it now before something bigger happens.

  8. #7
    MoistCabbage's Avatar
    MoistCabbage is offline Cadillac Owners 10000+ Posts
    Automobile(s): 2001 Seville STS, 1990 Seville (RIP), 1972 Sedan Deville
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    He means see if it starts running, it should be.

    Yours is leaking, it needs to be replaced anyway.


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