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1995 Dodge Truck four wheel drive

Tiny
CHEVEY02
  • MEMBER
  • 1995 DODGE TRUCK
  • 6 CYL
  • 4WD
  • AUTOMATIC
  • 299,000 MILES
Ok I have tested vacuum presure it is -25 and put new actuator in and drive spins but get on ice nothing move in the front tires could the axle shaft be worn or the collar?
Friday, January 22nd, 2010 AT 11:33 PM

1 Reply

Tiny
2CARPRO JACK
  • MECHANIC
  • 11,533 POSTS
If the front driveshaft is working (engaged) then it sounds like an issue with the front diff.There could be a worn/broken engagement collar like you said that is keeping it from locking in. Be absolutely sure the transfer case is engaging before going after the front diff.
Put in 2wd- apply 15 hg of vacuum to port "L" on transfer case switch (See pic), vacuum should be present at "M". Then connect vacuum gauge to port "N" and put in 4wd, apply vacuum to port "L", you should have vacuum at port "N", i fswitch fails any test replace it


https://www.2carpros.com/forum/automotive_pictures/1639_dodge_3.jpg

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Monday, January 25th, 2010 AT 8:07 AM

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