What brand gaskets are recommended?
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Seasoned Member
Joined: May 2011
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From: Waterford, PA
Year: 1999
Model: Cherokee
Engine: 4.0L
Originally Posted by yatipope
The 1999-2000 4.0 is notorious for cracking the cylinder head when it gets overheated. Check all the posts regarding this and learn how check for this well documented problem. My 2000 XJ had a bad crack and needed replacing.
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From: Memphis,TN area
Year: 1998
Model: Cherokee
Engine: ERH 4.0L 16 Power Tech
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Model: Cherokee
Same thing happend to me a few days ago on my '99. Blew lower hose and drove for a mile or so.
I patched things up with a new hose and pump, getting a misfire on #1, rough idle and consuming a couple quarts of coolant every 50 miles.
I think pulling the head is in my very near future.
Does your Jeep still run rough? Did you clear the codes?
GL!
I patched things up with a new hose and pump, getting a misfire on #1, rough idle and consuming a couple quarts of coolant every 50 miles.
I think pulling the head is in my very near future.
Does your Jeep still run rough? Did you clear the codes?
GL!
Thread Starter
Seasoned Member
Joined: May 2011
Posts: 268
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From: Waterford, PA
Year: 1999
Model: Cherokee
Engine: 4.0L
Described it to a mechanic friend. He wasn't to concerned. Told me to drive it a bit and see what happens. I changed my oil. (water got in my oil by the lifters because I forgot to drain the cooling system before removing the head.) I didn't clear the codes, but it's idling much smoother now, no longer misfiring, after driving it for a bit. I'm going to run some sea foam through the crank case for a few hundred miles and change the oil and filter.
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Thread Starter
Seasoned Member
Joined: May 2011
Posts: 268
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From: Waterford, PA
Year: 1999
Model: Cherokee
Engine: 4.0L
If you're going though that much coolant check your oil on the dipstick. See if your coolant is in your oil. Also pop your cap off the radiator and start her up and see if you've got exhaust coming into your cooling system.
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Joined: Dec 2010
Posts: 287
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From: Houston
Year: 1996
Model: Cherokee
Engine: 4.0 I6
I've also recently overheated my jeep and its now idling rough and misfiring, I've tracked it down to either head or head gasket (hopefully the gasket) and will be doing this soon.
Any tips or advice would be great.
Any tips or advice would be great.
Thread Starter
Seasoned Member
Joined: May 2011
Posts: 268
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From: Waterford, PA
Year: 1999
Model: Cherokee
Engine: 4.0L
Drain coolant before you remove the head. I labeled everything. Injector wires, plug wires, bolts, etc. Take your time.
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