1993 Cadillac Fleetwood

1993 CADILLAC FLEETWOOD
65,000 MILES • V8 • 2WD • AUTOMATIC
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YAMAHARUNO
  • MEMBER
  • 1 POST
hi i have an 1993 cadilllac fleetwood brougham 5.7 liter rwd theres an constant knocking sound not when car is idling or when driven slowly but only when accelerated hard from 5 to 30 mph sound goes away at higher speed resembles loud rattle but heavy
May 27, 2010 at 12:44 PM
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FACTORYJACK
  • ✓Experienced Mechanic
  • 4,159 POSTS
Can it be reproduced when torque braking under similar throttle application. I would suggest possible catalytic converter that has broken apart.
May 27, 2010 at 4:17 PM
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