on top of the manifold. you access it by removing the dog house
Low vacuum, an external leak, or a leaking vaccum check valve are the only causes.Low vacuum, an external leak, or a leaking vaccum check valve are the only causes.
To the left of the Transmission Fluid stick. It on a little "T" valve.
How to check for leaks on vacuum hoses for a dodge diesel
check your answer
Check for a vacuum leak
Check for a vacuum leak either under dash or under the hood Check the operation of the vacuum actuated motors under dash Check the selector switch
What year is your dodge ram? i have a 1997 4x4, 318, and it has two vacuum check valves going to the heater controls. the first check valve is on the right side of the intake maifold, just below the hose going to the pcv valve on the right side valve cover. if you follow that hose to the right side of the firewall, there is a tee in the vacuum lines, if you follow the line that goes into the cab, that line has another check valve. i found that the one at the intake manifold was the valve that failed on me. good luck
Check for vacuum leaks.
In the line that hooks to the passenger side of the intake manifold.
check for a vacuum line that is not connected o a broken vacuum line that would most likely be it Bruce
Check for vacuum leaks,
check the library for a chiltons repair manual for your year.