1998 Dodge Ram 4 Wheel Drive Actuator

Tiny
TBRONSON0
  • MEMBER
  • 1998 DODGE RAM
  • V8
  • 4WD
  • AUTOMATIC
  • 167,000 MILES
I have a 1998 Ram 1500 4X4 auto trans. The 4 wheel drive will not engage. From what I have heard it is the Front Drive Axle 4wd Shift Actuator. The parts that I have seen on the internet are only the Vacuum Baffel. Would I need to replace the Actuator Motor as well or should this Vacuum Baffel fix the problem? The Baffel is only around $150 and the entire assembly is around $300.
Monday, October 5th, 2009 AT 1:09 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 POSTS
Do you have an electric shift or manual?
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Tuesday, October 6th, 2009 AT 10:21 AM
Tiny
TBRONSON0
  • MEMBER
  • 1 POST
Manual 4X4 shift, automatic transmition
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Tuesday, October 6th, 2009 AT 11:24 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 110,176 POSTS
You need to follow the vacuum lines from the intake to the transfer case, to the vacuum canister, to the front axle to see if you are losing it at any one point.
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Tuesday, October 6th, 2009 AT 1:22 PM

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