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Old 07-09-2008, 10:33 PM   #61
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Hi everyone. I'm new to the forum and have a question about the pics that were attached in some of the previous posts. I can't see them for some reason and I am having some issues getting the vacuum lines hooked up correctly. I have done a 5.3 swap and the labels that I put on the lines were gone when finished (thanks to friend that helped pressure wash!) Any help will be greatly appreciated!
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Old 04-27-2015, 09:52 AM   #62
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Newbi with CAD problem 92' YJ 4.0L

Quote:
Originally Posted by daddyjeep View Post
The CAD requires vacuum to both engage and disengage. If a line was damaged while wheeling it will not disengage the front axle and the light will not go out.
Daddy,
Please look at my pic. 2 vac. lines running vertical next to battery box. The one without check valve is broken off! Not sure where it went? or if something is missing? Symptoms are:
Just bought and previous owner had CAD light switch unplugged. I plugged in and 4WD light is on all the time.
Vac. constant at drivers side CAD port in 2WD. Axel locked. In 4WD no vac. at pass. side port.
Applied vac. to pass. side CAD port and axel unlocks and front driveshaft does not spin. So, vac. does not shift between ports.
Sorry to bother, but thought you might know what is missing or where this line should go? Thank-You, Roger
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Old 05-06-2015, 09:08 AM   #63
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Fyi

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Originally Posted by rogerv View Post
Daddy,
Please look at my pic. 2 vac. lines running vertical next to battery box. The one without check valve is broken off! Not sure where it went? or if something is missing? Symptoms are:
Just bought and previous owner had CAD light switch unplugged. I plugged in and 4WD light is on all the time.
Vac. constant at drivers side CAD port in 2WD. Axel locked. In 4WD no vac. at pass. side port.
Applied vac. to pass. side CAD port and axel unlocks and front driveshaft does not spin. So, vac. does not shift between ports.
Sorry to bother, but thought you might know what is missing or where this line should go? Thank-You, Roger
Fixed my 4x4 light! Pulled the vacuum plug at the transfer case vacuum switch and tested operation of CAD. Then applied vacuum to switch and tested. Only had vacuum at 4x4 port. Removed switch and found button on bottom of switch jammed in.Replaced switch and works as advertised. Installed vent valve on broken hose,but that doesn't seem to effect the operation. Switch was only about $12.00 at NAPA.

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