1986.5 (D21) Models

Cylinder Head Bolt Removal Sequence:

CYLINDER HEAD BOLT REMOVAL SEQUENCE

Cylinder Head Bolt Torque Sequence:

CYLINDER HEAD BOLT TORQUE SEQUENCE


(4), (5), (12) and (13) are the longest bolts.
L=106 mm (4.17 in) Except below
L 127 mm (5.00 in) (4), (5), (12) and (13)

Tightening procedure:
1. Tighten all bolts to 29 Nm (22 ft lb)
2. Tighten all bolts to 59 Nm (43 ft lb)
3. Loosen all bolts completely.
4. Tighten all bolts to 29 Nm (22 ft lb)
5. Tighten all bolts to 54 to 64 Nm (40 to 47 ft lb) or if you have an angle wrench, turn all bolts 60 - 65 degrees clockwise.

Intake Manifold Bolt Removal Sequence:

INTAKE MANIFOLD BOLT REMOVAL SEQUENCE

Intake Manifold Torque Sequence:

INTAKE MANIFOLD TORQUE SEQUENCE

Exhaust Manifold Bolt Removal Sequence:

EXHAUST MANIFOLD BOLT REMOVAL SEQUENCE

Exhaust Manifold Torque Sequence:

EXHAUST MANIFOLD TORQUE SEQUENCE

Crankshaft Main Bearing Cap Bolt Removal Sequence:

CRANKSHAFT MAIN BEARING CAP BOLT REMOVAL SEQUENCE

Crankshaft Main Bearing Cap Bolt Torque Sequence:

CRANKSHAFT MAIN BEARING CAP BOLT TORQUE SEQUENCE






GENERAL ENGINE TIGHTENING TORQUE

CAUTION:
FOR ADDITIONAL REMOVAL AND INSTALLATION PROCEDURES AND SEQUENCES, REFER TO ENGINES, SERVICE AND REPAIR.