There is a problem with the Vac that runs the Panel door Vac Motor. It works OK when in idle. When I take off I lose vac to it and the instr panel register close. I put a vac guage on it and it registers 10 when in idle. Under the hood there is a Vac check valve the has a red hose coming from the manifold and two black hoses on the output. One of these hoses go inside the cab. The other goes to a fitting on the air cond housing under the hood. If I block the hose that goes to the air cond housing I get a reading of 20 inside the cab and everything works OK.
Do you have any idea what this other hose does? It seems to have some resistance when I blow thru it.
Could this be the cause?
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Monday, July 23rd, 2007 AT 5:54 PM
