Diesel Data: Automotive Repair

Engine - Cylinder Head Bolt Length

Bulletin 85-6-14

Date May '85

Ref.. No. 85-232-6
SUBJECT: CYLINDER HEAD BOLT LENGTH

MODELS AFFECTED: 1985 SOMERSET REGALS EQUIPPED WITH 3.0L V-6 (VIN CODE L) ENGINES

CYLINDER HEAD BOLT LENGTH:




There are three different length head bolts used on the above 3.0L engine. Head bolt length by location is shown below.
LOCATION LENGTH

1 7/16" - 14 x 4.46"
2 7/16" - 14 x 3.24"
3 7/16" - 14 x 2.5"