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93 cadillac sts seville
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44 Posts
Discussion Starter #1
hi guys any one have any ideas on this. everytime i turn on my heat or a/c in my 93 sts the ac lines , back of compressor ,underneath radiator area vibrate violently. i zap strapped the to make them more rigid to the frame but vibration is severe enough to be felt at the brake pedal at idle in drive. when heat off no problems
 

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Super Moderator
White Diamond '03 DHS (with DTS floor shift)
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86,790 Posts
Something is not right. Have the A/C pressures checked.
 
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