S10/T10 P/U 4WD L4-151 2.5L (1985)
20.
Refer to the Service Manual - Section 6A1 for the fastening procedure and torque specifications when replacement of all head bolts is necessary.
Application Table
VEHICLE
HEAD BOLT
NEWBOLT
LINE
MODEL YEAR
POSITION
PART NUMBER
X
1985
1 - 8
10044566
X
1985
9
10044568
X
1985
10
10044570
F
1985-86
1 - 8
10044566
F
1985-86
9
10044568
F
1985-86
10
10044570
A,S,T,M
1985-87
1 - 8
10044566
A,S,T,M
1985-87
9
10044568
A,S,T,M
1985-87
10
10044570
Parts are currently available from GMSPO.
IMPORTANT:
APPLY ENGINE OIL (e.g. 5W-30) TO BOLTS BEFORE INSTALLATION.
Multiple Head Bolt Replacement:
Labor Operation Number:
T1443
Labor Time:
0.8 Hrs.
Head Gasket Replacement:
Labor Operation Number:
J0508
Labor Time:
3.7 Hrs.
