Operation CHARM: Car repair manuals for everyone.

Engine Tightening Specifications


Bearing Caps
Connecting Rod Bearings 33 Ft. Lbs. (45 Nm)
Main Bearings 48 Ft. Lbs. (65 Nm)
Camshaft Bearing Caps 15 Ft. Lbs. (20 Nm)
Camshaft Gears
Front 33 Ft. Lbs. (45 Nm)
Rear 74 Ft. Lbs. (100 Nm)
Crankshaft Pulley
Center Bolt [1] 258 Ft. Lbs. (350 Nm)
Allen Bolts 15 Ft. Lbs. (20 Nm)
Cylinder Head [2] (Tighten in six stages)

Fig. 2 Cylinder head bolt tightening sequence:





Stage 1 30 Ft. Lbs. (40 Nm)
Stage 2 44 Ft. Lbs. (60 Nm)
Stage 3 55 Ft. Lbs. (75 Nm)
Stage 4 (Angle tighten) 180°
Stage 5 Warm engine until oil temperature reaches 112° F (50° C)
Stage 6 (Angle tighten) 90°
Flywheel [3] 55 Ft. Lbs. (75 Nm)

[1] Tightening torque applies when using Volvo special tool #5188
[2] Volvo does NOT recommend re-using cylinder head bolts. Torque applies to NEW bolts.
[3] Use NEW bolts with locking fluid.