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I cant seem to find a diagram for the vacuum for my 87 xj anywhere. IM not getting any vacuum to the actuator for the blend doors. if anyone has any ideas please help
Got any leaks to/from the vac reservoir. The HVAC side of the vac system is pretty straight forward. There are two lines on the pass fenderwell, if one of those is compromised, no HVAC.
Messing with the engine side of the system won't do it.
ok update!! there are 2 vacuum lines at the firewallone black and one pink? the black one going in has vacuum to it and the pink one goes to the heater control valve, that one doesnt have vacuum. so im taking it that the black one going in must split off some where behind the dash. I hate to rip the dash apart to try to find a cheap plastic line to be broken.
ok update!! there are 2 vacuum lines at the firewallone black and one pink? the black one going in has vacuum to it and the pink one goes to the heater control valve, that one doesnt have vacuum. so im taking it that the black one going in must split off some where behind the dash. I hate to rip the dash apart to try to find a cheap plastic line to be broken.
ok new update Im getting vacuum and the heater control unit bout its not going out to anywhere from there. And i noticed this when i took it apart im guessing my control unit needs replaced now