DO NOT OVERTIGHTEN! The front and rear studs are especially prone to breakage!

Diagram of torque sequence for intake & exhaust bolts on Jeep 6 cylinder engines.

Be aware that many of these are dual purpose bolts that REQUIRE the special design OEM washers to retain both the intake AND exhaust manifolds! You cannot substitute hardware store washers! Your motor will have vacuum leaks and run like crap after a few heat / cool cycles loosen things up.

Component Diagram #'s Engines Torque Values in Foot / Pounds ( ' / # )
Exhaust Manifold Bolts & Nuts *See Diagram
Below
2.5L 23 ' / #
Exhaust Manifold Middle Nut 1 4.0L / 4.2L 30 ' / #
Exhaust Manifold Outside Nuts
(* Studs in block. Nuts go on studs.)
10 & 11 4.0L & 4.2L 23 ' / #
Intake Manifold Bolts 2, 3, 4, 5,
6, 7, 8, 9
2.5L, 4.0L & 4.2L 23 ' / #




If you have pics of your own repairs or can suggest other methods - please contribute your ideas (and pictures) to this article!

Revised on: February 14, 2007



























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