Quote:
Originally Posted by TravThePro
This ended up being the problem with my truck as well. I initially thought it was my ADD actuator, but I had no vacuum going through either of the lines. The truck mostly sitting for 3 years seized both of my VSVs.
OP you should really just pull both long hoses for the VSVs and feel with your finger if one gets vacuum in 2WD and one gets vacuum when you click it to 4WD.
I can offer further testing advice for the ADD actuator if at least of them does get vacuum while you check the VSVs.
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Thanks for all of the Trouble shooting tips. Currently the truck is at the dealer awaiting parts. Believe it or not I'm told that from here on out there will be no charge. I believe this to because of the Misdiagnosis and because i already paid them.