Bump Noise in Rear. on 1997 Ford F-150

My 1997 F-150 271,500 mi.ment condition, makes a bump noise in the rear when turning right or left from level pavement onto a sudden hill at 5 mile an hour. Note: This winter I'm carrying 480 lbs. of sandbags. I never heard this sound last year. What should a technition be looking for when inspecting.

by in Kansas City, KS on December 27, 2010
2 answers 1 comment
ANSWER by on December 30, 2010
I'd look to see if the suspension is hitting the stops because of maybe a weak springs or soft shocks, you are carrying enough weight to do that if the springs or shocks aren't good..
COMMENT by on March 01, 2012
You are probably right. We had a mild winter and I haven't heard a noise without sandbags. Thanks.
ANSWER by on February 29, 2012
Super Mario Bros agree with super Bob, Might be weak or broken spring, but most likely need new shocks! Super Mario Bros.
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there is a noise like the tranny or rear end is shift up or down when i am driving about 50 - 53. It actually make the truck shake or feel like you hit a small bump.