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I think they all had lock up converters. My guess from your header is you are looking for a transmission for your 88? Some issues with using a after 90 transmission in a 87-90 Cherokee. The plugs/connectors are different, somewhere down the line they changed the neutral safety switch and...

You may be home free, TPS was next on the list. I'd check the ground wire from the TPS, goes through a number of connectors and eventually ends up at a ground ring on the dipstick holder. An ohm test is best, a good ground on the TPS a must. I always scrub out the TPS connector with a good...

A few things that come to mind are a sticky dirty IAC. I've had good luck removing them and cleaning everything up, the IAC plunger/piston and the seat in the TB. Then letting a little spray oil run behind the IAC piston/plunger. Don't try moving the piston/plunger on the IAC, you may damage...

Never seen exactly the same thing, but I'd ohm test it instead of a continuity test. Paying real close attention to the grounds. Grounds can really screw you over, when a ground goes bad (or just gets a high resistance) some circuits try to take strange paths to ground. On other models of Jeep...

Often the inside of the Cat starts to come apart, sounds kind of like a tin can full of nuts rattling. Sometimes a baffle in the muffler rusts and rattles. Saw one old Renix with a timing chain so loose it actually cut into the cover. I've never had any timing chain rattle in any of my XJ's...

If you disconnect the fuel sender connector (at the pump) the needle should go all the way down to "E". Beleive it is the connector with the dark blue wire, though to tell you the truth I never tried it on a 92, I have on a 93, It's likely they are the same. The sender (in the 93) reads between...

There is at least two different systems depends on type and the year of the Jeep. I've had grief with dirty connectors before, the signal (current) through the gage sender is minute and it doesn't take much resistance from very little corrosion to influence the results. I fixed faulty fuel...

Thanx for the tip, I've got the same thing going on with my 96, it has a whole lot of 95 parts in it. O2 sensors are 96 front, 95 rear. The harnesses often don't match the 96 wiring diagrams. I've only got one wire going to my oil sender and have to replace it soon.

Is it leaking where the two halves come together or out the top by the electrical connection? If it looks like it is down near the threads, it is more likely to be the "O" rings for the filter adapter and what you are seeing is seepage from there. I always use an open end wrench, rock it a...

I never fill the surge tank (87-90 Renix) up more than half way, it needs room for expansion. I usually fill to half, with the motor cold. People don't realize the cap on the surge tank is also a pressure cap. It vents at around 16-17 PSI (usually) and will let air into the top of the tank...

Half a dozen of us wrenching on the Jeep trying to get ready for a trip. Decide a new set of extended shackles was absolutely necessary. While I was doing the motor my brother and his buddies were doing the shackles. We get finished, put the tire back on, take the jack stand out and sit it on...

I've never done it myself. But your going to need a coolant recovery bottle and a different heater control valve. I can't remember which year they changed the transmission cooler to radiator connections. Some people have re plumbed the heater lines to the new model of XJ (after 98 I think) and...

Could be something else but, the fuel rail will prime for a couple of seconds when the key is turned to run on the way to start. The the fuel pump relay won't close again until the computer gets a signal from the CPS. The CPS in my 96 was shorted across two legs and caused the same problem you...

My day job is *retired*, used to work for the State Department as a building/maintenance tech. Now I have a couple of part time jobs to keep me in fun money. Drive a truck for a Newspaper and do game census for the County, the official title is "Game Overseer". The county job is trying to...

I usually put a 3/4" block of wood under the exhaust where it goes over the transmission cross member. If you don't leave yourself enough clearance it will bang on the cross member when your done. I tighten up all the clamps then remove the block of wood, it always seems to settle some. Check...

This isn't alll of it. The hose to the vacuum canister behind the passengers side front bumper is mising, as are the heater AC control and cruise control vacuum lines.

The contact strip that plugs into the back of the instrument cluster is a known trouble spot. Most times all it takes to clean it is a pencil eraser and a swipe with contact cleaner. You could likely ohm test the violet wire at the fuel pump, it should have some ohms and not be open (infinite...

Is it possible it's water pump lubricant? Has your water pump been changed lately. Old school mechanics most always added a small can of water pump lubricant after changing out a water pump. Some radiator sealer is also black. Just some thoughts. The oil system has a check valve in the bottom...

Just for the heck of it check your tone ring (guess that's what they call it) for scuff marks. The clearance between the tone ring on the axle shaft and the sensor mounted to the dust shield isn't much. Haven't seen it, but was thinking a bad axle shaft U-joint or a hub could cause clearance...

Depending on which type heater you have, with or without A/C. Two possible causes, the vent steel cable has fallen of of the vent door for the defrost (passengers side, behind aand under the glove box) or more likely you have a leaky vacuum line to the vacuum canister behind the passengers side...