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Issue identified. The heater hoses which also feed the coolant tank were reversed. So the water pump was trying to push coolant into the tank all the time and it never would siphon back into the engine as it cooled.

New thermostat installed also, I can see it working, opening & closing on the temp. gauge at higher rpms. Fan clutch appears ok, heater hoses feel cool at idle which makes me feel like it's a water volume issue. I just assumed that because the heater is on the opposite side with RHD, the heater...

Are there 2 different water pumps made for right hand drive & left hand drive 4.0 models? Just installed a new water pump in a 4.0 LHD. Engine heats up excessively at idle, at the same time the heater output is quite cool like maybe low water flow. Things improve at higher rpm, like 2k & up...

99 XJ leaking small of antifreeze only while warming up. Replaced radiator cap, problem fixed.

Our 99XJ would shift into 4th but the torque converter would not reliably lock up. I replaced the brake light switch assembly and the problem was solved.

I'm guessing the previous owner used that jumper as a "kill switch". If you have fixed the bad connection with the new plug and secured the jumper wire to chassis or battery ground, will the jeep start & run ok?

Has the distributer module been changed? That module can become flakey at certain temperatures and cause grief.

The wiring right at the connector and the connector itself is suspect. This area is sometimes damaged by changing the oil filter from the top and the oil sender connector pins can loosen or the wiring going into the connector can be broken. When the oil pressure hits "0" again, push in on the...

Strongly agree with the choice of oil & filter (Castrol & Wix). Also I experience oil pressure changes from the wiring and connector on our 97 & 98 XJ's. The location of the sensor's connector is such that it is easily damaged by people who do speedy oil changes & are not careful about the...

Our 97 idles rough, as you describe. I've checked compression on each cylinder, all good and well within spec. Have cleaned the throttle body, changed IAC, the coil, wires, distributer module. The next item on my list is to change out the injectors. Seems to be a difficult issue to resolve.

I assume the starter doesn't engage at all? Is the starter solenoid clicking every time you turn the key to start, but the starter doesn't turn? Can you move the transmission to neutral (wiggle the shifter while holding the key in start) & get it to click or turn over? If you can, then the...

The grinding noise is likely the clutch throwout bearing. It spins when the clutch is disengaged. With the clutch not disengaging sometimes to shift into gear, probably time to replace the clutch & throwout bearing.

Wanted to replace the headliner on a 01 XJ & found little to no information on how to remove the A pillar trim. The FSM gives information on the older XJ's with the pop out screw covers & Phillips screw holding the trim on. Apparently it was never updated with the later production clips used...

Possibly could be the turn signal switch itself. Our 97 would flash both rear turns when the left turn was used. R&R the turn signal switch assembly resolved it.

XJ purchased 8 months ago, shows 228,000. Extremely clean, looks, drives like new. Noticed the odometer jump up 600 miles while driving it. Today, topped the fuel off, used 7 gallon, odometer showed 315 miles since the last fill up. Actual miles driven was 105. I know that the trip meter was...

Just for info. I have had a heater hose seperate inside and partially block the flow into the heater core. I have the same heater issues as described here on our 97XJ & I have 2 new heater hoses, a new 195* Stant thermostat ready to install when this midwest weather improves.

Adding a quart of Rislone along with 5 qts of the new oil change could help clean the lifters. My 87 with 264k gets a qt of Rislone every other change & it keeps her happy.

I've used aspwholesale.com for both starter & alternator parts. Not associated with them, only a happy customer. The last XJ (1992) starter I worked on was a PN M1T4281Z & it was easily searched for in asp's database.

Update on the 91 XJ windshield swap. Ordered a 96 XJ windshield & trim. Install was completed w/ no issues or problems. The only comment, I tried to use a dremel to cut off all the old pins after taking the old metal trim off. The dremel wouldn't reach down in the groove deep enough (don't...

Understand, will try to watch the install. Many thanks for the tips and information.