GMC Workshop Service and Repair Manuals

Wheel Fastener: Specifications
Fastener Tightening Specifications

1992

S Series Pickups.........................................................................................................................................................................................95 ft/lbs

1992

Safari........................................................................................................................................................................................................100 ft/lbs

1992

M Van......................................................................................................................................................................................................100 ft/lbs

1992

S Series Jimmy...........................................................................................................................................................................................95 ft/lbs

1992

S Series Sonoma.........................................................................................................................................................................................95 ft/lbs

1991-92

C-, K10-20...............................................................................................................................................................................................120 ft/lbs

1991-92

C-, K30:

Single Rear Wheel.............................................................................................................................................................................120 ft/lbs
Dual Rear Wheels (8 lug)...................................................................................................................................................................140 ft/lbs
Dual Rear Wheels (10 lug).................................................................................................................................................................175 ft/lbs

1991-92

R-, V30:

Single Rear Wheel.............................................................................................................................................................................120 ft/lbs
Dual Rear Wheels (8 lug)...................................................................................................................................................................140 ft/lbs
Dual Rear Wheels (10 lug).................................................................................................................................................................175 ft/lbs

1990-92

Lumina APV............................................................................................................................................................................................100 ft/lbs

1989-92

Van:

G10-25...............................................................................................................................................................................................100 ft/lbs
G30-35 Single Rear Wheel................................................................................................................................................................120 ft/lbs
G30-35 Dual Rear Wheels.................................................................................................................................................................140 ft/lbs

1991

R-, V10.....................................................................................................................................................................................................100 ft/lbs

1991

R-, V20.....................................................................................................................................................................................................120 ft/lbs

1990-91 S Series:

2WD.....................................................................................................................................................................................................80 ft/lbs
4WD...................................................................................................................................................................................................100 ft/lbs

1990

C-, K-, Pickup..........................................................................................................................................................................................105 ft/lbs

1990

C-, K-, Sierra............................................................................................................................................................................................105 ft/lbs

1990

C-, K-35 W/Dual Rear Wheels................................................................................................................................................................125 ft/lbs

1990

R-, V-Pickup:

Single Rear Wheel.............................................................................................................................................................................120 ft/lbs
Dual Rear Wheels..............................................................................................................................................................................140 ft/lbs

1989

Pickups:

Single Rear Wheel.............................................................................................................................................................................120 ft/lbs
Dual Rear Wheels..............................................................................................................................................................................140 ft/lbs

1989

Sierra:

Single Rear Wheel.............................................................................................................................................................................120 ft/lbs
Dual Rear Wheels..............................................................................................................................................................................140 ft/lbs

1989

Safari........................................................................................................................................................................................................102 ft/lbs

1988-89 S Series:

With Aluminum Wheels.......................................................................................................................................................................90 ft/lbs
Without Aluminum Wheels..................................................................................................................................................................73 ft/lbs

1988

R-, V-Pickup:

Single Rear Wheels............................................................................................................................................................................103 ft/lbs
Dual Rear Wheels..............................................................................................................................................................................140 ft/lbs

1988

C-, K10-15:

Single Rear Wheel...............................................................................................................................................................................90 ft/lbs
Dual Rear Wheels..............................................................................................................................................................................125 ft/lbs

1988

Sierra:

Single Rear Wheel...............................................................................................................................................................................90 ft/lbs
Dual Rear Wheels..............................................................................................................................................................................125 ft/lbs

1988

Astro.........................................................................................................................................................................................................102 ft/lbs

1988

Safari........................................................................................................................................................................................................102 ft/lbs

1988

Van G10-25..............................................................................................................................................................................................102 ft/lbs

1988

Van G30-35:

5 bolts.................................................................................................................................................................................................117 ft/lbs
8 bolts.................................................................................................................................................................................................139 ft/lbs

1987-88

R-, V-Blazer:

2WD...................................................................................................................................................................................................103 ft/lbs
4WD With Aluminum Wheels, 6 lug.................................................................................................................................................103 ft/lbs
4WD Without Aluminum Wheels, 6 lug..............................................................................................................................................88 ft/lbs

1987-88

R-, V-Jimmy:

2WD...................................................................................................................................................................................................103 ft/lbs
4WD With Aluminum Wheels, 6 lug.................................................................................................................................................103 ft/lbs