vibration

1999 VOLKSWAGEN BORA
140,000 MILES
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ASUQUO
  • MEMBER
  • 5 POSTS
vibraation when the car is engaged in gear and rpm drops down. It is automatic transmission.
Dec 4, 2011 at 8:27 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 POSTS
Check for vacuum leaks and check the idle air control valve.
Dec 4, 2011 at 10:35 AM
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ASUQUO
  • MEMBER
  • 5 POSTS
No leakage on the vacuum and the iAC. I just changed the automatic transmission oil from sea horse oil that has the quality of dexron 3 to mobil atf. Can it cause the vibration. When the gear is changing from 1 to 2 gear, it does so with force. Pls advise me
Dec 5, 2011 at 10:48 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,240 POSTS
It shouldn't have caused the problem as long as it met the manufacturer's ATF requirements.
Dec 5, 2011 at 10:53 AM
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