1998 Chevrolet Venture Had Harmonic Balancer Replaced Now Car Constantly Down

177,000 MILES
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ANONYMOUS
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  • 1 POST
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 7:17 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
maybe the wrong one was installed depends on engine size it may effect trans take back to where it was done.
Apr 14, 2013 at 3:30 AM
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