I have a 98 Grand Prix that won't crank over. I've changed the Starter and made sure the battery is charge with no low cells. Please help me!

Asked by Dec 07, 2014 at 04:40 PM about the 1998 Pontiac Grand Prix 4 Dr GTP Supercharged Sedan

Question type: Maintenance & Repair

I have a few liquid problems, like drips from:
transmission, power steering & coolant but
it hasn't ran hot yet.

2 Answers

5,375

I recommend you get the battery, load tested, perhaps at an auto parts place. A battery can read 12.75 volts fully charged, but no longer have the amperage to crank an engine. Or, come to think of it, have you tried to have the battery jump started? If it does start, then your battery is too weak no matter what the voltage reads

68,495

Remove the spark plugs and try to crank it. These cars are notorious for intake manifold gasket failure. You could have coolant in one or more of the cylinders. If so the engine is hydrostaticly locked and won't crank. Watch for coolant squirting out of any of the spark plug holes as you crank it with the spark plugs removed. HTH. -Jim

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