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How much did you pay for the fan clutch? Mine doesn't seem grab hold til the engine's glowing red..

http://www.pirate4x4.com/tech/billavista/PDFs/index.html

I'll leave the tranny question to those with more experience. As for the bad head gasket it seems like every '90 up for sale is said to have that problem, just b/c it's overheating-- which they all do when the plastic bottle and/or cap goes straight to he!!. If the trans thing can be fixed on...

Wouldn't be the first old style cooling system XJ to be misdiagnosed with a bad head gasket. I pegged my '90 a few times.. had a mechanic tell the head gasket was gone.. then read in this forum about the lousy pressure bottle and cap, how to burp the air out etc. That was two years ago and not a...

Thanks.. new belt with new water pump about a month ago.. happened out of town, so had to pay out at a$$ at a firestone at the time. Good news is I made local firestone put a new freebie belt on it today. All pulleys are there and seem to line up just fine-- think was my bad for trying to surf...

Believe so.. probably 2 1/2 feet deep. You think the fan may have twisted as it hit the wall o' water and tossed the belt?

Looking for clues-- just drive through a flooded street and the serp belt came off.. '90 4.0.. new harmonic balancer, water pump and belt.. XJ wasn't even warmed up, had been driving for 2 mins. Chance I submerged the alternator and froze it up-- thereby spitting the belt? Shiiitte... thanks for...

head gasket? I agree, the tank with its worthless cap is the weakest link in this cooling system. Couple of years ago, a mechanic told me my head gasket was fried.. thank gawd I didn't listen. I slapped on a new cap and have had NO problems since. It's amazing how such a seemingly tiny leak in...

iac 3 months since you've cleaned the IAC on a high-mileage XJ? The seal behind that thing likes to leak spewage, Clean it again, takes 10 mins, costs nuthin.

but wait a sec Didn't I read here that some cleaning agents can damage the IAC? Believe someone suggested avoiding standard carb cleaner and the like. My idle's jacked up and due for a cleaning. It worked wonders last time. And that's right, I'm an idiot and can't remember what I used. Thanks...

Dirty TB and/or IAC, MAP sensor issue, dirty air filter, TPS is toast-- do a search, you're the zillionth person with this problem...

Sounds like bait and switch.

On the other hand, what happened to good faith? The mechanic, based on his experience could have warned the customer, before looking at it that the price was flat rate, fix or no. Surely the guy knew the thing may have been in alignment but had another issue. By blowing that off, he lost future...

Or you hrmonic balancer is coming apart. Do a search for how to spot that issue. Common problem.

http://www.naxja.org/forum/showthread.php?t=17222

other issues Also make sure the rear mail seal isn't leaking oil.. that the power steering pump's not doing same.. and that no fuel injectors are leaking. But do a search...

I wonder if the head gasket's really blown. The 89 has the bogus cooling system (search the forum for clues) and I even had a knucklehead mechanic tell me my gasket was blown.. three years and 30K miles ago. Just needed a new coolant bottle cap. Still, don't pay much for the '89... especially if...

Everything I've read in this forum and others points to the cat. Do a search here and at jeepsunlimited.com... and report back!

Walked out of restaurant last night and the XJ ('90 140K miles all stock) cranked but wouldn't start. Battery near death within 2 mins. The IAC has been in need of a cleaning based on recent high idle. (I pulled the connector and did the usual on-the-spot wire twist but no good.) Been running...

I second the suggestion to check your idle stepper motor. My high idle issues went away after a good cleaning. Also blasted carburetor cleaner into the throttle body and it worked just fine. Seem to remember someone here saying to avoid some solvents-- you might do a search.