GMC 1990 Light Truck Repair Manual page 471

SPECIFICATIONS (CONTINUED)
ITEM
Rocker Arm Cover B o lts ...................................................................................... ........10.2
Intake Manifold Bolts.....................................................................................................48
Exhaust Manifold Bolts
Center Two Bolts............................................................................................ ........36
All O th e rs ...............................................................................................................28
Cylinder Head Bolts.......................................................................................................90
Torsional Damper B o lt...................................................................................................95
Front Cover Bolts...........................................................................................................13.6
Oil Pan N uts...................................................................................................................22.6
Oil Pan Bolts........................................................ ..........................................................11.3
Oil Pump Bolt........................................................................................................ ........90
Rear Crankshaft Oil Seal Retainer Screws and N u ts ........................................ ........15.3
Camshaft Sprocket Bolts...................................................................................... ........28
Connecting Rod Cap Nuts.................................................................................... ........60
Oil Filter Adapter Bolts...................................................................................................20
Main Bearing Cap Bolts.................................................................................................110
Oil Pump Cover B o lts ...................................................................................................9.0
Flywheel B o lts ...................................................................................................... ........100
Spark P lu g s .......................................................................................................... ........30
Water Outlet B o lts .........................................................................................................28
Water Pump B o lts .........................................................................................................40
Flywheel Housing Bolts.................................................................................................44
Hydraulic Lifter Restrictor Retainer B olts............................................................ ........16.4
Oil Pan Studs to Oil Seal Retainer or C rankcase.............................................. ........1.7
Camshaft Thrust Plate...................................................................................................11.9
TORQUE SPECIFICATIONS
4.3 LITER V-6 6A3-29
N m FT. LBS. IN. LBS.
—
35
26
20
65
70
—
—
—
65
—
21
45
15
80
—
75
22
21
30
32
—
—
—
90
120
200
100
135
80
145
15
105