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So I've come full circle... A few weeks ago I found a leaking freeze plug on the side of the block. Pulled the manifolds, replaced all 5 plugs on the side of the block. I used some Dorman 2" steel plugs I got from O'Reillys, with black RTV around the edge for good measure. While reinstalling...

92 4.0L, 220k. I decided I was going to flush my cooling system today. Didn't get past the first step. To start with, I drained the system at the petcock and refilled with straight distiller water. I only got maybe a little over a gallon out, and refilled it with the about the same amount...

Hi guys, I'm replacing my o2 sensor and I want to check the wiring on the engine harness to make sure everything is functioning properly. It is a 92, so it's got the OBD1 wiring. On the engine harness, I have no idea which wire is which...I don't have the best lighting and they all seem black...

This is a recently acquired '92 Cherokee w/ 4.0L, 208k. So I'm removing my valve cover today (first time) to clean out the CCV baffles and such, and I notice coolant coming out of one the valve cover bolt holes. The hole in question is right above cylinder #4 on the driver's side. I'm...

Well, at about midnight last night the Jeep tossed its serpentine belt. This belt was maybe 8 months/10,000 (at the most) miles old. Once I pulled over, I pulled the belt out and it was pretty mangled/shredded. The g/f was impressed. Being on a rural country highway it was too dark then to...

I've been noticing a whining-type noise lately. I'll try to describe it the best I can. '92, 4.0L AW4 It sounds a lot like gear whine, in my opinion; like when an old front-wheel drive car backs out of a driveway in reverse. It's purely RPM dependant, and you can hear it all the way from...