1999 Jeep Grand Cherokee "shop vac blows air" Questions

off flow to the core by vac. or a blend door that cuts off air flow thru the core. You will need a shop manual to replace the core. The dash and console have to come out, along with discharging the ac

...may not and also to replace the blend doors you must pull the dash out and the h-vac box out if your not a skilled tech i whould take it to a good shop because you must all disconnect your a/c

...controls too. If you can see the actuators that control the direction of air flow you can test them with a vac gauge and hand pump. You may need to get a used shop manual to get the repair

it will not blow out the front vents. Checked vacuum reservoir and found vacuum hose loose going towards the front, where does it lead? get a shop vac to mack sure all duck work (air vents) are clear.

...like one of the blend doors is either stuck or the component that moves it is not working. The component could be powered by vac or electric. You may need a shop manual to get the repair

try to look ford broken vacuum line but can find any or hear vacuum leaks You may need to get a shop manual for the procedures. The blend doors are usually controlled by electric motors instead of vac

...vac shop or refrigeration shop and they can pressure it up to see if you have a leaking hose, if this is the case a cheap fix for the hose is to clean the leak up, buff it with steel wool and apply a ...

...out how do i take them out Use a shop vac and suck it all clean, the entire area even down every port, and next time blow the engine clean with compressed air or even a water hose before you ...

and dryer vac and air still won't blow cold. check the compressor clutch, if it still won't blow cold, the system may have bled off its refrigerant charge, you may have to have it recharged at a shop

...lost vac to the control or the blend door under the dash. Most models built before 1999 used engine vac to move the blend doors. You may need a shop manual to get the diagrams to trace the vac