Torque Specs on Head Bolts - JeepForum.com

 
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post #1 of 7 Old 08-29-2008, 06:03 PM Thread Starter
ineffablelove
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1996 XJ Cherokee 
 
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Torque Specs on Head Bolts

I am in the middle of putting my Jeep back together and cannot find my Haynes manual after recently moving. Anyone have the torque specs for the head bolts on a 96 4.0?

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post #2 of 7 Old 08-29-2008, 06:30 PM
Ed Rico
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Per the FSM, torque all head bolts in sequence in a spiral pattern to 22 ft-lbs, then 45 ft-lbs. The final torque value is to 110 ft-lbs on all head bolts except the driver's side front, which is torqued to 100 ft-lbs with Loctite 592 (PTFE) on the threads. All other head bolts are installed with dry threads.

-Ed Rico
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post #3 of 7 Old 08-29-2008, 06:31 PM
AZ Jeff
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2014 JK Wrangler 
 
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From the FSM:

(4) Coat the threads of stud bolt No.11 with Loc-
tite 592 sealant, or equivalent.
(5) Tighten the engine cylinder head bolts in
sequence according to the following procedure (Fig.
56).
CAUTION: During the final tightening sequence,
bolt No.11 will be tightened to a lower torque than
the rest of the bolts. DO NOT overtighten bolt
No.11.
(a) Tighten all bolts in sequence (1 through 14)
to 30 N·m (22 ft. lbs.) torque.
(b) Tighten all bolts in sequence (1 through 14)
to 61 N·m (45 ft. lbs.) torque.
(c) Check all bolts to verify they are set to 61
N·m (45 ft. lbs.) torque.
(d) Tighten bolts in sequence:
• Bolts 1 through 10 to 149 N·m (110 ft. lbs.)
torque.
• Bolt 11 to 135 N·m (100 ft. lbs.) torque.
• Bolts 12 through 14 to 149 N·m (110 ft. lbs.)
torque.
(e) Check all bolts in sequence to verify the cor-
rect torque.

AZ-Jeff
I don't own an XJ any longer, but I still think they are the best of all the Jeep products ever made. My XJ was my favorite vehicle in my 50+ years of driving.
So...I stick around and give advice.
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post #4 of 7 Old 08-29-2008, 06:32 PM
AZ Jeff
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Ed Rico beat me to it. Dang, he's fast.

AZ-Jeff
I don't own an XJ any longer, but I still think they are the best of all the Jeep products ever made. My XJ was my favorite vehicle in my 50+ years of driving.
So...I stick around and give advice.
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post #5 of 7 Old 08-29-2008, 06:38 PM
Ed Rico
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Location: Terre Haute
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It's all good, Jeff. I just went with the condensed version.

-Ed Rico
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post #6 of 7 Old 08-29-2008, 07:54 PM
durango-bob
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If you need more info, check out the tech section at GreatLakesXJ.com
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post #7 of 7 Old 08-30-2008, 10:27 AM Thread Starter
ineffablelove
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Join Date: Aug 2008
Location: Temecula, CA
Posts: 19
Thanks guys, she's back together! I don't know how the back right bolt is going to be because I had to use a swivel... but there's only one way to find out. Thanks again.
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