Recommended Fluids and
Lubricants
Fluids and lubricants identified below by name, part
number, or specification can be obtained from your
dealer/retailer. Usage Fluid/Lubricant
Engine Oil The engine requires a special engine
oil meeting GM Standard GM4718M.
Oils meeting this standard can be
identified as synthetic, and should
also be identified with the American
Petroleum Institute (API) Certified for
Gasoline Engines starburst symbol.
However, not all synthetic API oils
with the starburst symbol will meet
this GM standard. Look for and use
only an oil that meets GM Standard
GM4718M. For the proper viscosity,
see
Engine Oil on page 6‑19.
Engine Coolant 50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
Coolant. See
Engine Coolanton
page 6‑34.
Usage Fluid/Lubricant
ZR1 Only:
Intercooler System 50/50 mixture of clean, drinkable
water and use only DEX-COOL®
Coolant. See
Engine Coolanton
page 6‑34.
Hydraulic Brake System DOT 3 Hydraulic Brake Fluid
(GM Part No. U.S. 88862806,
in Canada 88862807).
Windshield Washer Optikleen
®Washer Solvent.
Hydraulic Clutch System Hydraulic Clutch Fluid. Use only
GM Part No. U.S. 88958860,
in Canada 88901244,
Super DOT-4 brake fluid.
Power Steering System GM Power Steering Fluid
(GM Part No. U.S. 89021184,
in Canada 89021186).
Chassis
Lubrication
(Rear Toe‐Link
Outer Ends with
ZO6, ZR1,
or Z51 Option) Chassis Lubricant
(GM Part No. U.S. 12377985, in
Canada 88901242) or lubricant
meeting requirements of NLGI #2,
Category LB or GC-LB.
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