chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Water Pump > < Engine - Extreme Temperature Gauge Fluctuation|Page 3203
Page 1
background image

Thermostat: Service and Repair

1. Drain cooling system until radiator coolant level is below thermostat.
2. Remove thermostat housing bolts and/or studs, then the thermostat housing and thermostat.
3. Thoroughly clean gasket surfaces of thermostat housing and intake manifold.
4. Reverse procedure to install, noting the following:

a. Torque thermostat housing bolts and/or studs to 21 ft. lbs.

Water Pump > < Engine - Extreme Temperature Gauge Fluctuation|Page 3203