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  1. #1
    Jr. Apprentice
    Join Date
    Aug 2009
    Toronto, Ontario. CAN

    Default Oil Cooler Lines

    Have any of you with Sonomas ever replaced the oil cooler lines yourself?

    I believe the factory lines are/were known to be terrible. I don't think there was ever a recall on them, but they're known to leak. I've been eye-balling them on Ebay, but am debating on doing the work considering re/re-ing looks like it involves a lot of tight space work.



  2. #2


    The remote oil filter to oil cooler lines on my '93 Jimmy [4.3L] started leaking. My Carquest supplier had them in overnight, Doreman makes them. He had the set in stock from the block to the remote filter but was out of the oter side. I had to massage them some until the air box fit. Lucky we saw that it was leaking, my wife came home and backed into a parking spot and wondered what the fresh oil trail was about...
    Still Loyal to GM after all these years...:shocked:
    2006 Impala LT 3.5L
    2005 Silverado WT small cab/longbed 4x4 4.3L V6
    1999 Grand Am 3.4L in TX w/ our youngest
    1993 GMC Jimmy 4.3L 4 door 4x4 'Ole Rusty' - 'SOLD'
    1988 S-10 small cab/longbed HT3.4L Crate Engine
    1970 Nova 250 I-6, factory 3 sp floor shifter.
    1968 Chevelle 'Nomad' Wagon 250 I-6 w/ 3 on da' tree.

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