Diesel Data: Automotive Repair

Engine - Cylinder Head Bolt Torquing Instructions

Bulletin 85-6-3

Date Nov. '84

Ref. No. 85-017-6
SUBJECT: CYLINDER HEAD BOLT TORQUING INSTRUCTIONS FOR 3.0L V-6 ENGINES (VIN CODE L)

MODELS AFFECTED: 1985 REGAL SOMERSET


The following cylinder head bolt torquing instructions should be used whenever it is necessary to replace cylinder heads or cylinder head gaskets on the above engine.


CYLINDER BEAD BOLT TORQUING INSTRUCTIONS

TORQUE SEQUENCE FOR CYLINDER HEAD BOLTS:




Step

1. Install new Cylinder Head Bolts each time cylinder head is removed.

2. Torque Cylinder Head Bolts to 34 N-m (25 ft.lbs.) per sequence shown in illustration.

3. After completing Step 2, tighten each bolt 1/4 turn (90~) in same sequence.

4. Repeat Step 3, tightening each bolt an additional 1/4 turn (90~).