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IF you are underneath the Jeep and hear the noise as the clutch moves inward and outward; then the problem could be the pressure plate fingers or rusty clutch plate springs. You can remove the clutch slave cylinder and use an endoscope with lighted camera to examine the clutch assembly inside...

At least part of the problem could be with the ignition switch secondary contacts or wiring to the ignition switch inside the column.

I would do a thorough inspection of the engine compartment vacuum tubing looking for cracks and checking how snug the rubber fittings slip onto the metal nipples.

I would verify the radiator overflow connection and hose do not have obstructions.

YES..., but the residue may be difficult to see depending upon where the connection is located.

The most common locations for leaks are the O rings for the lines, low/hi side test fittings, refrigerant lines and the compressor shaft seal.

Since last summer I have been dealing with adding a few ounces of refrigerant to the A/C system. Finally decided to troubleshoot the leak further and resolve the problem since this summer appears that is going to be a really HOT/HUMID summer here in Florida. Found the original (2000) OEM high...

Remove the starter relay and measure the resistance across terminals 1&2 of the relay when engine compartment temperature is HOT and the relay will not engage. The resistance normally across terminals 1&2 of the relay coil when cold should be read 85-90 ohms. As the engine compartment...

IF the air flow is constantly thru the defroster vents near the windshield; then the problem is more than likely the vacuum supply or a leaking hose. IF the air flow is thru the four vents that can be directed; then the problem could be one of the air flow dampers, the damper actuator or even...

Jumper the wires on the clutch position switch (attached to clutch pedal) to see if this resolves the problem of the starter relay (PDC) engaging when HOT. IF no power; then remove Fuse 20 (20A) power to starter relay coil, clean fuse terminals and reinstall fuse. Verify if there is power...

Verify the incoming voltage to the relay at terminal B5 and the ground at B3 which pulls in the relay in the PDC. Resistance in the relay coil can cause the coil not the engage the relay. Replace the starter relay in the PDC if the voltage does not pull in the relay. Check pages 8W21-2,3 in the...

The problem could be one of the air flow dampers, the damper actuator or even the control console. There is a downloadable PDF of the Factory Service Manual for your year Jeep in the TJ Resources section. Section 24 has a drawing of the dampers setup and steps for trouble shooting the Heating...

Thanks for the heads up on this relay. (y) Installed the relay and no more buzzing of the flasher relay when the Emergency Flashers are ON.

Rubiconned; Thanks for the heads up on the Offroad flasher relay; which DID cure the Flasher Relay buzzing problem when the Emergency Flashers are ON. I installed that relay since I exhausted ALL avenues of troubleshooting including the installation of (2) LM470 relays which did not cure my...

That axle seal appears to be manufactured by NEWSTAR which may be outsourced to China. Better off with the Timken products….

Just to give yourself peace of mind; inspect ALL front and rear parking light, turn signal socket terminals and verify the ground harness terminals on the near each headlight are clean and tight. I have the same problem with the buzzing emergency flasher relay and have done an exhaustive search...

Years ago I had a similar sound occurring on my ‘98 XJ and found the noise was the bolts attaching the transfercase to the transmission. I had had a TeraLow 4:1 installed by a local shop prior to going to Moab and the bolts were not torqued.

There is a wiring harness that is routed along the firewall from the PCM which is routed behind the valve cover and around the threaded head stud in the right rear corner of the head. Thoroughly inspect the split wire loom and harness wiring in the proximity of the threaded head stud. This...

Looks like a casting flaw…. As MAC posted above; I wonder if that is an aftermarket head. Can’t imagine Chrysler or the makers of the replacement 0331 head allowing that to go thru QA….

I agree with MAC…. Since you have access to the throw out bearing, fork and transmission input shaft splines and sleeve; spend some time and clean up inside the bell housing, the throw out bearing fork and transmission input shaft splines and sleeve. Test spin the TOB feeling for roughness and...