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    Default Check those Delco batteries

    I am a fan of Delco batteries, but often forget that some over-the-GM-parts-counter replacements may require periodic maintenance.

    The other day, I popped the caps and found them to be slightly low on water. Not suprisingly, the passenger/firewall battery was a little lower than the driver/headlight side, most likely due to extra heat soak it receives.

    Added ~1pt of distilled water across both batteries. They have been in service about 18 months.
    Last edited by Mark Rinker; 04-29-2010 at 10:52. Reason: Clarification; removed 'OEM' where incorrect
    2011 Chevrolet Tahoe 5.3L daily driver
    • Previous owner of two 1994 6.5L K3500s, '01, '02, and '05 6.6L K2500s, '04 C4500, '06 K3500 dually, '06 K3500 SRW, '09 K3500HD SRW, '05 Denali
    • Total GM diesel miles to date : ~950K

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