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  Topic Review (Newest First)
04-06-2016 10:54 AM
kdelik I just wanted to tell you what a great job you did on this post. Thank you! You encouraged me to attempt this repair on my 97 Jeep Grand Cherokee Laredo. I hope there is as good a post as yours for that model.
04-09-2015 06:51 AM
Hewaznumber1 awesome write up. exactly what i needed, now im just waiting for my head to come back from the machine shop so i can put everything back together and finally use my torque wrench
02-12-2014 12:29 PM
JStMarie
Quote:
Originally Posted by Jasoncwrd2002 View Post
I am doing my 98 Jeep 4cyl right now. The header bolts about got me to the point of throwing in the towel though.

Any luck on this? How did it turn out?
11-30-2013 09:37 PM
Jasoncwrd2002
Quote:
Originally Posted by JStMarie View Post
Just a follow-up, I did end up replacing the head on my '98 4 cylinder. The procedure is the same; very little difference except more room to work in.

You do not have to find TDC for this procedure. Also, the rocker arms require no adjustment, just tighten each side of each individual rocker arm 1 turn until tight then torque to spec (21 foot-lbs for the '98 TJ).

Use copious amounts of PB blaster to spray down the exhaust and intake manifold bolts. I sprayed them several times over the course of 3 or 4 days and they all came off with no issue at all. I've heard a lot of nightmares of broken bolts and with a jeep as old as mine I took them to heart. PB blaster was a Godsend.
I am doing my 98 Jeep 4cyl right now. The header bolts about got me to the point of throwing in the towel though.
07-02-2013 08:44 PM
JStMarie
2.5l

Just a follow-up, I did end up replacing the head on my '98 4 cylinder. The procedure is the same; very little difference except more room to work in.

You do not have to find TDC for this procedure. Also, the rocker arms require no adjustment, just tighten each side of each individual rocker arm 1 turn until tight then torque to spec (21 foot-lbs for the '98 TJ).

Use copious amounts of PB blaster to spray down the exhaust and intake manifold bolts. I sprayed them several times over the course of 3 or 4 days and they all came off with no issue at all. I've heard a lot of nightmares of broken bolts and with a jeep as old as mine I took them to heart. PB blaster was a Godsend.
06-29-2013 07:31 PM
Elitexx187 Great write up. I'm currently in the process of changing the head gasket in my '93 cherokee and I've been using this write up and it's helped a lot. But does anyone know where I can find the torque specs for the head and rocker bolts?
10-02-2012 09:41 PM
Pfeifer30 Awesome Right up, Helped me get things apart in a timely manner. Only question I have : Do I need to find TDC during the reinstall process?
06-18-2012 08:06 AM
TJ-Tim Just about finished with my 01 head replacement. AWESOME WRITE UP!!! Was extremely helpful, thank you for posting it. I'm sure this will help/has helped a lot of people.
04-08-2012 06:39 AM
blazepsi I need to do this to my 98 GC. Tnx for the write up...
03-06-2012 05:46 PM
CherokeeInn When I go to loosen the rocker arms they move with it. What do I do?
02-02-2012 03:11 PM
mitchj01
Quote:
Originally Posted by JStMarie
This is a great write-up. I've got a 2.5L '98 TJ that will likely need the head gasket replaced. Is there anything significantly different about the 2.5L I need to know about?

I'll take pics and post the 2.5L head gasket replacement job when I get around to doing it, which should be within a month or two.
Bump on this question- I have an 89 2.5l
11-08-2011 01:50 PM
jonifun So are the valves self adjusting? I have a spare head that is 200miles old. I was going to put this on my 200000+ zj. Will I need to do anything different on reassembly with valve adjustment shimming or is it magical. ??
10-15-2011 05:09 PM
Pickneters I think you may have inspired me to handle this!
09-21-2011 01:10 PM
JStMarie
2.5l ?

This is a great write-up. I've got a 2.5L '98 TJ that will likely need the head gasket replaced. Is there anything significantly different about the 2.5L I need to know about?

I'll take pics and post the 2.5L head gasket replacement job when I get around to doing it, which should be within a month or two.
08-03-2011 11:35 PM
Jeepdude22 Thanks for all the info! Hopefully it helps!! I get to do my head gasket this weekend on a 04 4.7 Grand cherokee. I dont know how chrysler managed to put all that **** under the hood. I almost **** the first time i had to change my spark plugs.
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