when i went into a puddle.....
07-06-2010, 02:01 AM
#1
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Year: 1991
Model: Cherokee
Engine: 4.0L high output with compressed valves
when i went into a puddle.....
i got pulled out of a puddle that killed my voltage regulator and my alternator. then my A/C and heater only comes out from where the winshield and dash meets...... it doesnt come out from the vents on the dash by the deck and all the vents on the dash. I left my car running while in the puddle. the front of my car was submerged. so yeah! ideas?
07-06-2010, 02:29 AM
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Year: 1991
Model: Cherokee
Engine: 4.0L high output with compressed valves
07-06-2010, 02:45 AM
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Year: 1993
Model: Cherokee
Engine: I6
The vents are controlled via vacuum, so you have to have a leak somewhere. Since it was a large puddle, it's safe to assume the vacuum line connected to the front axle came off. Thus the leak. The leak may also be coming from the "jeep egg" under the bumper on the passenger side.
Regardless of where the leak is, the vents, 4wd, cruise, and numerous accessories and components are contolled via vacuum.
Search the forums for vacuum leaks.
Regardless of where the leak is, the vents, 4wd, cruise, and numerous accessories and components are contolled via vacuum.
Search the forums for vacuum leaks.
07-06-2010, 02:50 AM
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Year: 1991
Model: Cherokee
Engine: 4.0L high output with compressed valves
the line to this snapped like dry macaroni like a month ago and thats when it stopped working. IS THIS WHY?!?!?!?! the a/c and heater only blows out of the defroster
07-06-2010, 03:14 AM
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Year: 1993
Model: Cherokee
Engine: I6
That'd be the issue. Thats the "Jeep Egg" I mentioned earlier. It's basically a secondary canister, a storage point for vacuum.
I would check the line to the axle though too. You'll see a little vacuum nipple on the passenger side of the axle.
I would check the line to the axle though too. You'll see a little vacuum nipple on the passenger side of the axle.
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07-06-2010, 02:04 PM
#8
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Year: 1999
Model: Cherokee
Engine: 4.0
Vacuum for the vents. Check the connection on your front axle. I believe 91 was the last year they did the vacuum actuated axle
07-06-2010, 05:23 PM
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Year: 1993
Model: Cherokee
Engine: I6
Yep, unless someone swapped that axle onto your year. My 93 didn't have the vacuum hookups. The 2 niples you may be looking at might be grease zerks. 
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