Battery Usage

2008 Pontiac Grand Prix BaseSECTION Battery Usage
WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
Application Specification
L26, L32
Cold Cranking Amperage 680 A
Amp Hour Rating 54 AH
Reserve Capacity Rating 105 Minutes
Replacement Battery Number 34P7YR
LS4
Cold Cranking Amperage 625 A
Amp Hour Rating 66 AH
Reserve Capacity Rating 105 Minutes
Replacement Battery Number 85H7YR
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.