Bolt tightening heads

Tiny
LEEJACOBS
  • MEMBER
  • 2000 JEEP GRAND CHEROKEE
  • V8
  • 4WD
  • AUTOMATIC
Hi jeep 4.7 v8, I need to reinstall my heads of the motor and need to know how much torque they require and the sequence of the bolts?
Monday, December 6th, 2010 AT 6:52 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,536 POSTS
Hello,

Tighten the bolts in sequence (Fig. 56) using the following steps and torque values:
Step 1: Tighten bolts 1-10, 20 Nm (15 ft. lbs.) .
Step 2: Tighten bolts 1-10, 47 Nm (35 ft. lbs.) . Tighten bolts 11-14, 25 Nm (18 ft. lbs.)
Step 3: Tighten bolts 1-10, 90 degrees. Tighten bolts 11-14, 30 Nm (22 ft. lbs.)

Here is a video on how to use a torque wrench.

https://youtu.be/juOClONIWeY

(Check out the diagram below) Please let us know if you need anything else to get the problem fixed.
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Thursday, November 30th, 2017 AT 1:58 PM

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