View Single Post
Old 01-19-2019, 07:05 PM   #13
71gmcC15
Registered User
 
71gmcC15's Avatar
 
Join Date: Feb 2018
Location: Doland SD
Posts: 836
Re: Crackling/grinding noise

I'll be driven down the highway and it will sound like some one chuked a rock at the back of the cab. Happens all the time. No idea why. Happens randomly. As for the bumper it could be bent too.
__________________
( second times the charm) 71 gmc c15 307 sbc 373 rear gears positrac sm 465 trans. ( not listed on spid but is original )
94 chevy k1500 350 tbi 373 rear gears 4l60e one wheel peel. Gutless
07 gmc sierra classic rcsb 4.3 lt 5 speed w/t
04 chevy Silverado 1500 ext cab 5.3 4l60e.
81 chevy Scottsdale k10 muncie sm465 Np208 10 bolt 8.2 ( Old Green)
71gmcC15 is offline   Reply With Quote