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1987 Pontiac grand am 3.0L Hard Shake
Hard shake at idle and revs up to 3000 rpm then goes away. Have been told of bad balancers on this engine. Is this engine internally balanced or externally. Any help or sugestion would be appreciated. thanxs
FIX posted 5/25/2000
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| VIN | 1G2NW11L1H |
| Engine | 3.0 L / 6 cyl |
| Emissions | cat |
| Symptoms | Hard Shake |
| Occurs | Always, on Accel, Idle, Till 3000 RPM |
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Vehicle Data
1987 Pontiac grand am
| VIN | 1G2NW11L1H |
| Engine | 3.0 L / 6 cyl |
| Emissions | cat |
| Symptoms | Hard Shake |
| Occurs | Always, on Accel, Idle, Till 3000 RPM |
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