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torque settings are: 4JG2 cylinder head, 49 Nm + 60 degrees + 60 degrees.
Some head bolts applications are required to turn the bolt an additional 90 degrees as a final step after the initial torque procedure has been done. This step varies with year, make and engine.
64 n/m + 90 degrees + 90 degrees
75 degrees
3.4 litre cylinder head torque is 37 ft lbs +90 degrees
Some torque specs on head bolts require an additional angle torque after the initial foot pounds (or Nm) has been completed. Example, torque the head bolt down to 70 ft lbs then an additional 90 degrees. The torque gauge measures that 90 degrees for you so you can be accurate.
first get new head bolts. they are torque to yield. torque them to 37 ft-lbs and then rotate an additional 120 degrees.
if alloy head 40nm then tighten 90 degrees
30N.m, then 90 degrees, then another 90 degrees.
Engine code K16-1.6 Head torque Stage 1. 20Nm Stage 2. + 180 degrees Stage 3. + 180 degrees.
this is from a manual, but old head bolts might not take it:cylinder head retaining bolts torque (M12) stage 1 70nm stage 2 further tighten 90 degrees stage 3 further tighten 90 degrees cylinder head retaining bolts torque (M8) 25nmwrong. SeeHow_hard_is_it_to_change_the_head_gasket_yourself_on_a_1987_Mercedes_190e
11fp-44fp-130 degrees