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Search Auto Parts Search clunking and scraping from underneath 1977 TransAm Sign up here!   Email This Post Auto Repair Home>> Automotive World>> Antique Car Talk joelyle Novice Jul 21, 2011, 7:54 AM Post #1 of 5 (2256 views) clunking and scraping from underneath 1977 TransAm Sign In Bad clunk and scrape from underneath 77 Pontiac TransAm (complete restore 4 yrs ago) when in reverse backing up. Have pulled axels and checked rear end, bearings, brakes and found no problems. Car rarely driven. 6,6 engine, 350 transmission Sidom Veteran / Moderator Jul 23, 2011, 6:57 PM Post #2 of 5 (2237 views) Re: clunking and scraping from underneath 1977 TransAm Sign In I assume the sound is coming from the rear end due to everything you've looked at so far. About all you can do is try to find the area the noise is coming from & inspect it. Since it's doing it in reverse you should be able to careful pinpoint that with a helper...Like I said I'm guessing you've tracked it down the to the rear end... The next thing to do would be to put it up on jack stands & see if you can duplicate the noise in the air. If so this would enable you to get real close to it while its happening and you should be able to find the troubled area from there.... (This post was edited by Sidom on Jul 23, 2011, 6:57 PM) joelyle Novice Jul 23, 2011, 7:11 PM Post #3 of 5 (2228 views) Re: clunking and scraping from underneath 1977 TransAm Sign In Thank's I will try this darrob User Jul 23, 2011, 8:22 PM Post #4 of 5 (2224 views) Re: clunking and scraping from underneath 1977 TransAm Sign In check your lug nuts> have you recently had the rims off? Next would be the universal joints. Tom Greenleaf Ultimate Carjunky / Moderator Jul 24, 2011, 4:32 AM Post #5 of 5 (2219 views) Re: clunking and scraping from underneath 1977 TransAm Sign In IDK - rubber hammer - Tap on anything that could make noise?? T   Email This Post   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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