1978 Chevy Cheyenne

1978 CHEVROLET CHEYENNE
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PUPPET13
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1978 Chevy Cheyenne
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When i go around 50-55 miles an hour my truck starts to vibrate, and when i am in a passing position and i get up to 70-75 mph it stops, but than when i start to slow down it starts right back up. It doesn't start to vibrate until i hit around 50 mph. What could it possiby be?
Apr 26, 2008 at 5:05 PM
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RASMATAZ
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If the wheel alignment/tire balance are okay I will have the transmission checked out.
Apr 26, 2008 at 5:15 PM