Question about Cars & Trucks
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Posted on Jan 02, 2017
SOURCE: Cruise control not working
The pump is located on the passenger side of the engine compartment, back by the firewall. Look in the middle of the firewall by the cowl and you'll see a small plastic line going into the cowl. follow it back and you will come to a T fitting. Follow it to the passenger side and it will go into the Vacuum pump that controls the Cruise control.If you follow it to the other side, it goes under the Battery box. this is where the Servo for the cruise is located. Check the lines for small cracks, wear spots or even breaks. The plastic line can get beaten up pretty easily.
The easy way to see if it is your vacuum pump, turn the key on and listen. you will hear 2 distinct sounds. The first sound will stop in about 15 - 20 seconds. (fuel pump?) the second sound is the vacuum pump. If it turns off in 45 seconds to a minute (or slightly longer) the vacuum pump is probably ok, as are the plastic lines. The sound of the pump stopping means that vacuum has been achieved and is holding vacuum. If it keeps running, the pump is bad or the lines have a break in them. If the lines have had a hole in them for a long time, the diaphragm in the pump will have gone south. This is not a servicable part and the pump will have to be replaced. The pump is available from a dodge dealer but most likely the parts guy will not have a clue as there is no picture in their manual and a very poor description. When talking to them ask for a "03 Ram 2500 CUMMINS Cruise vacuum pump"
The part costs $212.70
Posted on Jul 02, 2009
try checking the fuses first if the fuses are ok it will most likely be the switch itself to fix this requires removing the steering wheel do you have the tools to do this? if so let me know and I will give you the proceedure to do it.
Posted on Jan 26, 2010
Testimonial: "I have checked all the fuses on the panel by the drivers door. They are all good. I believe I have the tools for pulling the steering wheel. thank you"
SOURCE: Cruise Control
the most common problem is the rotating ribbon contact under the steering wheel that connects the cruise switch's to the steering column and cruise components, we tech's call this the clock spring contact, it is a flat ribbon of printed circuit tape that rolls up and un-rolls as u turn the wheel, it provides a moving connection for all steering wheel mounted controls and the airbag.
Posted on Jan 07, 2009
Look under the hood to check and make sure there is two steel wire cables connected to the throttle body. i had the same problem on my 02 dodge ram, turns out that just one of the cables came loose
Posted on Sep 15, 2009
SOURCE: 1999 Dodge Ram 2500 Diesel 4x4
check engine light on code says speed senceor this sounds right sents speedo not working so i changed both the sensores but still check engine light on and speedo and cruise not working
Posted on Jun 23, 2011
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