7-56
USAGEFLUID/LUBRICANT
Hydraulic
Brake SystemDelco Supreme 11 Brake Fluid
(GM Part No. 12377967 or
equivalent DOT
-3 brake fluid).
Windshield
Washer SolventGM Optikleen Washer
Solvent (GM Part No. 1051515)
or equivalent.
Parking Brake
Cable GuidesChassis Lubricant (GM Part
No. 12377985 or equivalent)
or lubricant meeting requirements
of NLGI # 2, Category LB
or GC
-LB.
Power
Steering SystemGM Power Steering Fluid
(GM Part No. 1052884
- 1 pint,
1050017
- 1 quart, or equivalent).
Automatic
TransmissionDEXRON-III Automatic
Transmission Fluid.
Key
Lock CylindersMulti-Purpose Lubricant,
Superlube (GM Part
No. 12346241 or equivalent).
USAGEFLUID/LUBRICANT
Chassis
LubricationChassis Lubricant (GM Part
No. 12377985 or equivalent)
or lubricant meeting requirements
of NLGI # 2, Category LB
or GC
-LB.
Front
Wheel BearingsWheel bearing lubricant meeting
requirements of NLGI # 2,
Category GC or GC
-LB (GM
Part No. 1051344 or equivalent).
Rear Axle
(1500 Series Only)SAE 75W-90 Synthetic
Axle Lubricant (GM Part
No. 12378261) or
equivalent meeting
GM Specification 9986115.
Rear Axle
(2500 and
3500 Series
with Standard
Differential Only)SAE 80W-90 Axle Lubricant
(GM Part No. 1052271
or equivalent).
