Pre-2000 Catera Oil Cooler

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Cadillac Catera and Cimarron Forum Discussion, Pre-2000 Catera Oil Cooler in Past Cadillac Vehicle Discussion; Just FYI for anyone driving a pre-2000 Catera... My '99 had an oil cooler leak at 52,000. This cooler is ...
  1. #1
    KansasKatera is offline Cadillac Owners Member
    Join Date
    Oct 2003

    Exclamation Pre-2000 Catera Oil Cooler

    Just FYI for anyone driving a pre-2000 Catera...

    My '99 had an oil cooler leak at 52,000. This cooler is located under the intake manifold and is water cooled. It looks like a small radiator. When this unit gets even hariline cracks, the engine's oil gets sucked into the radiator / coolant system. Luckily, I was able to shut mine down immediately and have it serviced (as soon as engine oil light came on). The coolant overflow tank was oozing what looked like hot carmel. The oil cooler is a $250 part, but you will be out of at least a grand after the installation, thermostat replacement, gaskets / seals, and flushing.

    This happened due to corrosion on the oil cooler. Please flush your Catera's coolant system and add a PH balance additive to the new fluid. This will save you from a costly repair.

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  3. #2
    joda is offline Cadillac Owners Member
    Join Date
    Dec 2003

    Angry Re: Pre-2000 Catera Oil Cooler

    I have a 1998 Catera. I have had persistent coolant leaks. I have taken it back to the dealer for the same problem 5 times. I finally had it and went to an attorney re: Lemmon Law. Since I bought it as "used certified" I will not get much help. My warranty is expiring in March and I still do not feel confident that the item is fixed. I drive around with a gallon of coolant in my trunk. The last time they "fixed" it, they said the oil cooler was the problem. I brought it in again and it was another item. I am smelling the coolant again, gassing off, when I open my window or car door when it is running. I am really fed up with this. I had a 91 buick that had no problems, and this is suppose to be a Cadillac.
    Anyone have a persistent problem like this??

  4. #3
    El Dobro's Avatar
    El Dobro is offline Cadillac Owners Connoisseur
    Join Date
    Sep 2003

    Re: Pre-2000 Catera Oil Cooler

    That engine is also used in the L Series Saturn and they also leak.

  5. #4
    njpete65 is offline Cadillac Owners Member
    Join Date
    Jun 2004

    Re: Pre-2000 Catera Oil Cooler

    I have a friend that has a 98 catera , im trying to help him with his oil cooler, but I cant find the part for less than $549.00. If some one can help as to where to get it cheaper it would be great. CAN SOMEONE PLEASE HELP..... THANKS NJPETE

  6. #5
    Vesicant's Avatar
    Vesicant is offline Cadillac Owners Connoisseur
    Automobile(s): None :(
    Join Date
    Nov 2003
    Jacksonville, FL

    Re: Pre-2000 Catera Oil Cooler

    Enter in your catera model, and either search for "Oil Cooler" or go to Engine>Lubrication>Oil Cooler


    A lil bit of an improvement... all i can find for now.

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