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Cadillac Catera and Cimarron Forum Discussion, Massive coolant leak... in Past Cadillac Vehicle Discussion; Originally Posted by retho78 Then it's possible the auxiliary pump is bad. To test it just connect it to the ...
  1. #16
    IvoryWhiteCatera's Avatar
    IvoryWhiteCatera is offline Cadillac Owners Fanatic
    Automobile(s): 1998 Catera (SOLD)
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    Re: Massive coolant leak...

    Quote Originally Posted by retho78 View Post
    Then it's possible the auxiliary pump is bad. To test it just connect it to the battery and see if it spins. I may have one that I pulled from the salvage yard. The thermostat is located next to the oil cooler or under the intake. Just track the top radiator hose (big one) and the other end goes to the thermostat.
    Yeah, it can't be the thermostat, then. I broke it hah, so there's no use in trying to get it to work. When it steams there seems to be a lot of pressure built up where the auxiliary fuel pump was. So I definitely have to change it. I'm hoping it will solve the problem. Has anyone had any problems with their thermostat? If so, what would be the symptoms? Thanks.

  2. #17
    retho78 is offline Cadillac Owners Enthusiast
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    Re: Massive coolant leak...

    If the thermostat is bad then it would overheat the car. I replaced mine when I did the oil cooler swap couple years ago.

  3. #18
    IvoryWhiteCatera's Avatar
    IvoryWhiteCatera is offline Cadillac Owners Fanatic
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    Re: Massive coolant leak...

    Okay. Replaced the aux water pump. Works just fine and doesn't get hot. $130 later...this car is not for the feeble minded...or the big handed or broke college students.

  4. #19
    retho78 is offline Cadillac Owners Enthusiast
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    Re: Massive coolant leak...

    Good deal!

  5. #20
    JohnJJO's Avatar
    JohnJJO is offline Cadillac Owners Fanatic
    Automobile(s): 2000 Catera Sport
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    It is. I got mine from dealership for 5k cash with 126k in excellent external and internal condition and put in to it so far 6k in 4 years. I have now 158k. And I did all work by my self. I learned so mush from my car, it gave me experience that u can't find. I love it. I will keep it until my engin die or tranny and if it's happend, I will swap it.... I still have OEM floor mats

  6. #21
    IvoryWhiteCatera's Avatar
    IvoryWhiteCatera is offline Cadillac Owners Fanatic
    Automobile(s): 1998 Catera (SOLD)
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    Re: Massive coolant leak...

    Quote Originally Posted by JohnJJO View Post
    It is. I got mine from dealership for 5k cash with 126k in excellent external and internal condition and put in to it so far 6k in 4 years. I have now 158k. And I did all work by my self. I learned so mush from my car, it gave me experience that u can't find. I love it. I will keep it until my engin die or tranny and if it's happend, I will swap it.... I still have OEM floor mats
    That's true. This car is a money pit but it will give you make you an expert if you do the work yourself. Ever since I did my valve cover job, I feel like I can take anything on on any car (besides the complicated German ones). The only thing that frustrates me is that everything under the hood is tight.

    ----------

    Oh, and does anyone know of an all aluminum replacement radiator for the Catera?

  7. #22
    JohnJJO's Avatar
    JohnJJO is offline Cadillac Owners Fanatic
    Automobile(s): 2000 Catera Sport
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    There is thread here, How to replace radiator. Search !!! . They way cheeper if u get it of online, like eBay or rockauto. I got mine from junk yard for $40, work just fine. It's not that easy to replace but not to hard and no special tools needed so that's good.

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