Four wheel drive not working

CHRIS1469

MEMBER
1998 DODGE TRUCK
V8
4WD
AUTOMATIC
100,000 MILES

The four wheel drive was working great. I got hung up a bit so I put it in four wheel. When I hit the gas it jumped up and bang. Now the shaft spins but tires do not. What did I brake?

Sunday, February 5th, 2017 AT 12:44 PM

6 Replies

STEVE W.

MECHANIC
12,950 POSTS

Which shaft is spinning? Rear drive shaft? Front drive shaft? Could be that you blew a ring gear or pinion, or broke an axle or U-Joint. Hard to say without more information.

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Sunday, February 5th, 2017 AT 1:52 PM

CHRIS1469

MEMBER
6 POSTS

Front shaft is spinning just fine.

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Sunday, February 5th, 2017 AT 4:57 PM

CHRIS1469

MEMBER
6 POSTS

Front U-joints and axles were replace two hundred miles ago by the owner before me. The ball joint went when he was in four wheel and plowing snow. So most of the front end is new.

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Sunday, February 5th, 2017 AT 4:59 PM

STEVE W.

MECHANIC
12,950 POSTS

If the shaft is spinning, but the axles is not providing power, you have either a broken ring gear or pinion. Or the vacuum shift collar broke, or one of the U-Joints or axles broke.

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Sunday, February 5th, 2017 AT 6:00 PM

CHRIS1469