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Thread: OEM Batteries Finally Died

  1. #1
    Join Date
    Feb 2000
    Location
    Maplesville, AL - Home Base
    Posts
    536

    Default OEM Batteries Finally Died

    I noticed on the first cool morning last fall that my starter didn't spin the motor as fast as it had, but it always started fine. I live in the south so we didn't have much of a winter and it never caused a start problem all winter. This past week I parked the truck for 6 days while on a boat trip and the 5 year old original batteries officially died. I had to jump it and immediately put in two new batteries. I was limited on my choice since I was in a very small town and the only available batteries were from NAPA. They had them, the price was good so they are now in my truck.
    When I made the first start I realized how bad my old ones actually were. The difference was amazing.
    Ed
    KM4STL

    '06 Sierra LBZ 4x4 Crew SB, Titan 52 gallon fuel tank, TTT/Schefenacker Mirrors
    '98 Suburban, 245,000 - sold 7-4-06

  2. #2
    Join Date
    Feb 2000
    Location
    Michigan
    Posts
    365

    Default

    Yeah mine are 6 years old now in the 05 and I'll probably have to replace them this fall. Last winter there were a few times I wasn't sure truck would start when temp got real cold.

    I had to replace the batts in the 95 last winter, they were DEAD after truck sat a few days in the cold.
    2016 GMC SLT 2500 CC 4x4 Duramax All Terrain 59K
    1995 GMC 2500 EC 4x4 6.5TD,236K,Custom Tuning,HX40W-II turbo,Amsoil Bypass Filter,KD Exhaust,FSD Cooler,KD Headlight booster,Hi-cap Cooling
    TDP member #14

  3. #3

    Default

    Amazing how long the OEM batteries last...Duramaxes seem to be easier on them than the 6.5s. Easier starts, not as much cranking in cold weather?
    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

  4. #4
    Join Date
    Feb 2000
    Location
    Michigan
    Posts
    365

    Default

    Yeah I would agree with that.

    The 6.5 does crank easier in teh winter now with 5w-40 syn Rot-T, though.

    And the dmax gets regular 15w-40 Rot-T year round.

    Quote Originally Posted by Mark Rinker View Post
    Amazing how long the OEM batteries last...Duramaxes seem to be easier on them than the 6.5s. Easier starts, not as much cranking in cold weather?
    2016 GMC SLT 2500 CC 4x4 Duramax All Terrain 59K
    1995 GMC 2500 EC 4x4 6.5TD,236K,Custom Tuning,HX40W-II turbo,Amsoil Bypass Filter,KD Exhaust,FSD Cooler,KD Headlight booster,Hi-cap Cooling
    TDP member #14

  5. #5
    Join Date
    Feb 2000
    Location
    Maplesville, AL - Home Base
    Posts
    536

    Default

    I have to agree Mark. The OEM batteries in my '98 6.5 lasted less than one year. I sure can't complain about 5 years for the OEM's in the LBZ.
    Ed
    KM4STL

    '06 Sierra LBZ 4x4 Crew SB, Titan 52 gallon fuel tank, TTT/Schefenacker Mirrors
    '98 Suburban, 245,000 - sold 7-4-06

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