Tightening Specifications

Sheet of Engine Tightening

Cylinder Head Bolt Tightening Sequence:

Cylinder Head
Stage I- Pretighten all bolts to 40 Nm (30 ft. lbs.).
Stage II- Tighten all bolts 1/4 turn (90°) further using a rigid wrench.
Stage II- Tighten all bolts a 1/4 turn (90°) further.

Main Bearing Cap Bolts
Assembly
Tighten 65 Nm (48 ft lb) + 90°
To measure radial clearance
Tighten 65 Nm (48 ft lb) but NOT additional 90°
Main Bearing Tightening Sequence, Refer to Procedure
Service and Repair

Connecting rod bolt
Assembly
Tighten 30 Nm (22 ft. lbs.) plus additional 90° (1/4 turn)
To measure radial clearance
Tighten 30 Nm (22 ft lb) but NOT additional 90°

Camshaft Bearing Caps bolts 20 Nm (15 ft. lbs.)
Camshaft Tightening Sequence, Refer to Procedure
Service and Repair

Camshaft sprocket 100 Nm (74 ft. lbs.)
Camshaft drive belt sprocket (crankshaft) 90 Nm (66 ft. lbs.) plus additional 1/4 turn (90°), Always replace bolt.


Flex Plate bolts (Always replace) 60 Nm (44 ft. lbs.) plus additional 90°
(1/4 turn ) (turning further can be done in several stages).

Vibration damper/belt pulley. Tightening torque 40 Nm (30 ft. lbs.)
Oil pump bolt 15 Nm (11 ft. lbs.)
Belt pulley/vibration damper 40 Nm (30 ft. lbs.)
Coolant pump to block bolts 15 Nm (11 ft. lbs.)








Tightening Torques