4WD QUESTION FOR A 1988 DODGE RAM

  • Tiny
  • CrumT
  • 1988 DODGE RAM

1988 Dodge Ram 150 4WD, 105,000 miles, 318 engine. The 4WD in the truck will not engage. The vacumn pump is brand new and was just replaced before I bought it. There is no air coming out of the hoses. It as if their is no suction for the fork to flip over to 4WD. Any suggestions on where to start looking for a possible problem?

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Sunday, February 11th, 2007 AT 5:38 PM

1 Reply

  • Tiny
  • Jeffgordon
  • MEMBER

I'm having the same problem with my ramcharger, I took the hoses off the vacuum filter canister, and all my hoses were clogged, you my want to start there

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Sunday, February 18th, 2007 AT 1:23 AM

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