What To Use; Radiator Pressure Cap - GMC 1999 Safari Owner's Manual

What to Use

Refer to the Maintenance Schedule to determine what
kind of lubricant to use. See "Recommended Fluids and
Lubricants" in the Index.

Radiator Pressure Cap

NOTICE:
Your radiator cap is a 15 psi (105 kPa)
-
pressure type cap and must be tightly installed to
prevent coolant loss and possible engine damage
from overheating. Be sure the arrows on the cap
line up with the overflow tube on the radiator
filler neck.
6-26
When you replace your radiator pressure cap, a GM cap
is recommended.
yellowblue