1998 Chevrolet Venture Had the Harmonic Balancer Replaced and Now the Car Constantly Down

1998 CHEVROLET VENTURE

177,000 MILES

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Had the harmonic balancer replaced and now the car constantly down shifts between 65 and 70. My gas mileage went from 23 to 18 mpg. What is going on.

Apr 10, 2013 at 2:17 PM

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