U joint or tranny

Tiny
SDAVI046
  • MEMBER
  • 1994 CHEVROLET ASTRO
  • 2WD
  • AUTOMATIC
  • 171,000 MILES
My 94 chevy astro van starts out in drive kinda shakes and clanks around when starting out in 1st gear could this be a u-joint on drive shaft going bad?
Monday, April 18th, 2011 AT 11:08 PM

1 Reply

Tiny
CARADIODOC
  • MECHANIC
  • 33,916 POSTS
Absolutely. Shift out of park with the wheels blocked or the parking brake set if it works, then crawl underneath and try turning the drive shaft and moving it up and down. Also look for reddish brown rust and powder around the bearing cups.
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Monday, April 18th, 2011 AT 11:14 PM

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