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sprinkles08, Chrysler/Dodge/Jeep master tech
Category: Dodge
Satisfied Customers: 23132
Experience:  ASE Master and Advanced Certified, Chrysler/Dodge/Jeep Master Certified, Trans and Hybrid Specialist
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My 04 ram 4x4 1500 cruise shuts off every time it starts to

Customer Question

my 04 ram 4x4 1500 cruise shuts off every time it starts to climb even a little climb.

Submitted: 2 years ago.
Category: Dodge
Expert:  moparfl replied 2 years ago.
Thanks for using JA
Most of the time this is being caused by a vacuum leak. Check the line to the speed control servo it may have a very small pin hole in it. Look at all the vacuum lines on the engine as well you are losing vacuum somewhere.
Customer: replied 2 years ago.

where is the cruise control unit?

Expert:  moparfl replied 2 years ago.
I think on that year it's bolted to the bottom of the battery box
Customer: replied 2 years ago.

Replying to my question with "I think"tells me you're not sure. I do not have a problem paying for the service but I would definitely appreciate a more accurate location. There are a few things bolted under my battery bracket I am not sure what the cruise control looks like. And how am I supposed to check a vacuum line especially a pinhole if I don't know where to start.

Expert:  sprinkles08 replied 2 years ago.
Hello and welcome to JustAnswer!

There are quite a few things that can cause cruise to not work. If you have a servo it could definitely be a vacuum leak but it could also be the servo itself or it may be disabling cruise do to an incorrect input such as vehicle speed, a cam or crank signal issue, MAP sensor, throttle position, etc.

If you have a 5.7 then you don't have a cruise servo.

Have you checked for fault codes?
Customer: replied 2 years ago.

I'll check today for any codes. I do have 5.7 hemi

Expert:  sprinkles08 replied 2 years ago.
Let me know what you find!