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  1. #1
    Join Date
    May 2020
    Posts
    1

    Default T-stat confusion

    I have an '88 Mariah with a PCM 7.4L RWI. I was doing some routine maintenance this spring and decided to replace the t-stat while I was replacing the impeller and other items. So far I have ordered 2 different stats (at $100+ each) and neither one fits (RP026001 and RP026003). Both are too large in diameter and too thick to seat in the housing. I am the second owner and I personally know the original owner and know he did not change the housing. The old stat was working (yeah I know - not broke don't fix it), so I put it back in with a new gasket and now it won't close. I can't get it above 120 degrees. Anyone have a similar experience?

  2. #2
    Join Date
    Jul 2007
    Location
    Flowery Branch Georgia
    Posts
    2,501

    Default

    Call Skidim [803-345-0996] they can help you get the right one . I checked and yours is the only one that costs 100.00 all others are 30.00.
    Last edited by michael hunter; 05-27-2020 at 06:50 AM.

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