Even after repairing the main vacuum line in my HVAC controls I still had the problem that under prolonged acceleration, the vents would loose vacuum and switch to the Defrost setting. This problem is often caused when someone deletes the vacuum bottle behind the front bumper. However, my bottle is still in place behind the stock bumper.
I studied the vacuum diagram and saw there is a check valve where the source connects to the intake manifold. I tested mine by blowing through it. I could easily blow both ways so the check valve is bad.
I have been looking for an adventure to test out my rebuilt White Jeep. I have passed through Franklin State forest many times and been curious about the dirt roads on either side of Highway 156. So today I decide to go exploring.
I started at the park headquarters on Highway 156. There was a map posted in the kiosk but none available to take with me. So I downloaded the PDF to my phone.
Correcting a problem with the wires to the distributor on my XJ
One of the triggers to my engine swap was I thought my distributor was bad. I had a no start condition and a code for the cam sensor that lives int eh distributor. So I ordered a new distributor and and new engine for it to go in.