where does the vacuum hose start for the 4wd on a 2001 dodge 2500 diesel there is no vacuum

Asked by pekinese Oct 06, 2013 at 03:37 PM about the 2001 Dodge RAM 2500 ST Quad Cab LB 4WD

Question type: Maintenance & Repair

there is no vacuum to trans and cannot find problem with plastic hoses 6 speed trans

5 Answers

maybe this will help...click on it for full screen

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Best Answer Mark helpful
40

The vacuum supply line on my truck does not go to the line on the fire wall where else could it connect?

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30

Speed sensor has nothing to do with vacuum. Speed sensor is located on top of gear housing on rear axle

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30

And the vacuum line goes to the transfer case then back up to the front axle lockin

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30

And if you have a vacuum line not connected you will have excessive crank case pressure/blow by that obviously works both ways if you have excessive blow by you could possibly have a vacuum leak

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