Coolant Surge Tank Pressure Cap; Gasoline Engine - Chevrolet 1999 Silverado 1500 Pickup Owner's Manual

Coolant Surge Tank Pressure Cap

(Gasoline Engine)

The coolant surge tank pressure cap must be fully
installed on the coolant surge tank.
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NOTICE:
Your coolant surge tank pressure 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.
Thermostat
Engine coolant temperature is controlled by a thermostat
in the engine coolant system. The thermostat stops the
flow of coolant through the radiator until the coolant
reaches a preset temperature.
When you replace your thermostat, an ACDelco
thermostat is recommended.
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