Each Jeep engine has distinctive head bolt talk specifications. Head bolts hold the engine head onto the engine block and resist the force of engine compression. There room two an essential pieces of information with each torque specification: the sequential order because that tightening the set of bolts and the amount come tighten the bolts at every tightening step. There might be eight, 10 or 14 head bolts on a Jeep engine depending upon the variety of cylinders and the displacement.

You are watching: Jeep 2.5 head bolt torque specs


There space two rows of five head bolts top top the 2.5-liter four-cylinder engine. From the front come the back, the driver side bolts are numbered 8, 5, 1, 4, 7, while the passenger side bolts room numbered 10, 6, 2, 3, 9. Native 1984 come 1987, the bolts room tightened in this steps: an initial to 25 ft.-lb., second to 50 ft.-lb., 3rd (bolt 8) is tightened to 75 ft.-lb., and fourth, all various other bolts are tightened come 85 ft.-lb. Native 1988 and also on, the bolts room tightened in these steps: very first to 22 ft.-lb., 2nd to 45 ft.-lb., third, bolt 8 is tightened come 100 ft.-lb., and all other bolts come 110 ft.-lb.


There room two rows of 7 head bolts ~ above the inline six-cylinder engine. From front to back on the driver"s side, they room numbered 11, 7, 3, 2, 6, 10, 14, and on the passenger side, they space numbered 12, 8, 4, 1, 5, 9, 13. Bolts are tightened in these steps: very first to 22 ft.-lb., 2nd to 45 ft.-lb., third to 45 ft-lb. Again, fourth (bolt 11) come 100 ft.-lb., and also fifth, all various other bolts to 110 ft.-lb.


There space two rows of 4 head bolts ~ above each bank of the V6 engine. Each bank is tightened utilizing the very same steps and also specifications. Native front to earlier on the driver"s side. They room numbered 7, 3, 2, 6, and on the passenger side they room numbered 8, 4, 1, 5. Bolts are tightened in one step: first to 70 ft.-lb.


There room two rows of 5 head bolts top top the 2.4-liter four-cylinder engine. Native the front to the back, the driver side bolts are numbered 9, 5, 1, 5, 8 and also the passenger next is numbered 10, 6, 2, 3, 7. The bolts room tightened in this steps: very first to 25 ft.-lb., second to 50 ft.-lb., third to 50 ft.-lb. Again, and also fourth, tighten all bolts secondary 90 degrees.

See more: Measurement Uncertainty Of A Ruler In Inches, Error Analysis


"Jeep Wrangler Automotive repair Manual"; Mike Stubblefield and also John H Haynes; 2004 "Jeep Cherokee and also Comanche Automotive fix Manual"; Bob Henderson and also John H Haynes; 1991

William Boyce started writing professionally in 2009. His occupational has showed up on FreePress.net and his own blog. Boyce was a registered experienced forester in main British Columbia because that 24 years. He has a Bachelor of scientific research in forestry native the college of brother Columbia.