Question about 1999 GMC Suburban

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1999 suburban starter replaced battery good turns over eratic

I have a 1999 chevy suburban with a 5.7 L I replaced the starter and know the battery is good however the engine turns over very slow and at points pauses which kills the dash lights. As it turns over the speed is erratic and the pauses are only a few seconds apart. The car will not fire.

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  • alcrys Dec 30, 2008

    I have a similar problem with out replacing the starter. While tying to start the truck, the whole power cuts in and out. Also if the truck is running there is a power wire that runs over to the fuse/relay box , if I bump this wire it turns all power off to the truck and shut the engine off. Sounds like a loose wire, its not. I check all wires on battery, starter, fuse box, fuses, coil, and alternator. I'm at the end of my rope.I don't have the money to pay an hourly rate for mechanic. I would appreciate an offered solution to this problem.

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The starter may be binding on the flywheel/flex plate. Your new starter should have come with shims. Try putting them between the starter and the block one at a time and see if that helps.

Posted on Dec 30, 2008

  • David Robinson Dec 31, 2008

    Did you find your problem? Any questions feel free to ask. Please rate me so I know if I helped you. Thanks.

  • John Thill Oct 09, 2010

    check for appropriate starter bolts. mine cracked my block so be careful there.

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