SOURCE: Torque spec for flywheel bolt: Isuzu 2.5 diesel engine
normally 110 nueton metres. use nut lock and once you have torqued you will feel if you have to tighten it a bit more.
SOURCE: Engine Bolt Torques- 2005 Chevy Impala/3400 Engine
Head Bolts
Step one 37 ft lbs then tignten 120 degrees more
Rocker arms
Step one 11 ft lbs then tighten 90 degresss more
Upper intake
89 inch lbs
Lower intake
132 inch lbs
SOURCE: need torque specs
Valve Rocker Arm Bolt 19 N·m + 30° (14 lb ft+ 30°)
A GM dealer shows me another source, which says 32 Nm (24 lb-ft). Not sure which one is right but they screwed up my car.
SOURCE: Bolt torque specs for flywheel, pressure plate,
1.Flywheel - 61 to 69 Foot Pounds
2.Pressure Plate - 25 to 33 Foot Pounds
3.Bell Housing - No specs found. I would say 25 to 35 foot pounds should be sufficient.
Bolts clean on ->flywheel to crank, ->pressure plate to flywheel, and ->bell housing to back of engine, I would use TWO drops of Loctite Red threadlocker, on ALL of these bolts.
Hope you have an alignment tool for your clutch disk when you install it. Auto parts stores sell the plastic one's cheap! Saves a LOT of headaches!
Tighten the pressure plate EVENLY! Snug the bolts down until they just TOUCH, then go in a criss-cross pattern when tightening. Do the tightening in incremental stages! You turn one bolt one thread, you go across to the opposite side, and turn that bolt one thread. Keep criss-crossing so the pressure plate goes down EVENLY. (YES, it's a pain in the keister!)
If NOT, you'll have a warped pressure plate, and it will be junk!
Thanks for letting me say that, I feel better.
SOURCE: i need the engine torque specs for 99 chevy malibu
99 chevy malibu v6 3.1 engine, head bolt torque is-- 98 through 2001 is step1- 37 foot lbs, step 2- rotate an additional 90 degrees (1/4 turn). the rocker arm bolts are 168-in. lbs.
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