GM Service Manual Online
For 1990-2009 cars only

With the proper care, the battery will provide many years of service.

The following factors may reduce the battery performance level:

    • Vehicle accessories remain ON overnight.
    • Insufficient driving time in order to recharge the battery.
        Short trips may cause insufficient charging time.
    • Insufficient driving speed.
        Slow average driving speeds for long periods of time may cause insufficient charging.
    • The vehicle's electrical load is greater than generator output.
        The addition of aftermarket equipment often causes the above condition.
    • The following charging system conditions:
      • Poor ground circuits
      • Electrical shorts
      • A slipping drive belt
      • A faulty generator
    • The following methods of improper installation of aftermarket equipment affect the generator:
      • Structural failure of aftermarket mounting brackets.
      • Misaligned pulleys.
      • Loose belts.
    • Failure to keep the battery cable terminals clean and tight.
    • Operating the battery with a loose battery hold-down.
    • Pinched wires or a cracked battery case resulting from a collision may cause improper mechanical conditions in the electrical system.
        Inspect the outside of the battery periodically for damage, such as a cracked cover or case.