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Old 10-08-2012, 08:45 PM
kjames0822 kjames0822 is offline
Dodge Ram Forum Newcomer
 
Join Date: Sep 2012
Location: North Carolina
Age: 26
Posts: 3
Gender: Male
Vehicle: 2001 Dodge Ram 5.2L
Trim Level: Laramie
Color: White
Engine: 1994-2001 318ci (5.2L) Magnum V8 220hp
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Default Newbie with 4x4 vacuum issue

Hi, I recently bought a 2001 Ram 1500 with the 5spd manual and 4x4. The day after I got it home I changed all the oil :engine(5.2),transmission(NV3500),transfer case(np231d), and both front and rear diffs. Everything runs perfect on the truck except the 4 wheel drive. The front driveshaft wont spin when I put it in 4x4 so I assumed it was the vacuum system. I disassembled the shift motor and everything seemed to be working. I also replaced the vacuum switch. When that didn't fix the problem I replaced the vacuum lines with generic black vacuum line from the switch on the transfer case all the way to the vacuum motor. After all that it still wont engage and the light has never come on on the dash. I have been checking it on the road for wheel hop. No wheel hop in 4lo either but shift range changes like it should.

Is running the vacuum lines directly from the switch harness to the motor fittings not right??

Im lost...somebody please help!
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