thump in transmission when changing gears
#1
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thump in transmission when changing gears
here is my problem....
when i shift gears i get a large thump form somewhere in the rear of the car. i have had this problem once before and it was the u-joints...but not this time. i cant pinpoint the problem but it is very annoying and feels like the transmission is gonna fall out. i have checked the driveshaft and it appears to be fine. i have also checked for any play in the rear end but cant find anything. anyone got any suggestions???
(this is an 88 se 210,000 miles)
when i shift gears i get a large thump form somewhere in the rear of the car. i have had this problem once before and it was the u-joints...but not this time. i cant pinpoint the problem but it is very annoying and feels like the transmission is gonna fall out. i have checked the driveshaft and it appears to be fine. i have also checked for any play in the rear end but cant find anything. anyone got any suggestions???
(this is an 88 se 210,000 miles)
#3
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Join Date: Feb 2001
Location: Cincinnati, Ohio-Boycott Central
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It's most likely your front differential bushing. These things are almost always goofed up on our cars and I imagine your car is no exception.
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#10
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I can do one better, here is a pic of what I had to deal with this last weekend. This is what happens when the diff mount doesnt get tightened, and also additional pony's will cause this. I had to manufacture an 1/8 inch slotted plate to weld in so the nuts would bear all around. Sorry no pics of the plate but here is a pic of the tab that broke off. It wasnt to bad of a job getting the sub frame out, dont be discouraged.....
#11
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much thanx every1 for the info and pics ......havent had a chance to check yet but will have access to a lift this weekend. where is the best place to buy a new diff. mount? i ve been looking through mazdatrix but the seem a lil expensive aon some things.
#15
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Join Date: Mar 2001
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www.mazdamotorsports.com sells theirs for $63. stronger then stock. it's not listed just call and tell them you want the front diff mount for your year/model (all 2nd gens the same).
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rgordon1979
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2003, bump, bumping, car, changing, gear, gears, rear, shifting, thump, thumping, thumps, trailblazer, transmision, transmission