GMC 2001 Envoy - Manual (Page 430)

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Part D: Recommended Fluids
and Lubricants
NOTE: Fluids and lubricants identified below by name,
part number or specification may be obtained from
your dealer.
USAGE FLUID/LUBRICANT
Engine Oil Engine oil with the American
Petroleum Institute Certified
for Gasoline Engines starburst
symbol of the proper viscosity.
To determine the preferred
viscosity for your vehicle’s engine,
see “Engine Oil” in the Index.
Engine Coolant 50/50 mixture of clean,
drinkable water and use only
GM Goodwrench
R
DEX - COOL
R
or Havoline
R
DEX - COOL
R
Coolant. See “Engine Coolant”
in the Index.
USAGE FLUID/LUBRICANT
Hydraulic
Brake System Delco Supreme 11
R
Brake Fluid
(GM Part No. 12377967 or
equivalent DOT
- 3 brake fluid).
Windshield
Washer Solvent GM Optikleen
R
Washer Solvent
(GM Part No. 1051515)
or equivalent.
Hydraulic
Clutch System Hydraulic Clutch Fluid
(GM Part No. 12345347 or
equivalent DOT
- 3 brake fluid).
Parking Brake
Cable Guides Chassis Lubricant (GM Part
No. 12377985 or equivalent) or
lubricant meeting requirements
of NLGI # 2, Category LB
or GC
- LB.
Power Steering
System GM Power Steering Fluid
(GM Part No. 1052884
- 1 pint,
1050017 - 1 quart, or equivalent).