isuzu Workshop Repair Guides

Isuzu Workshop Service and Repair Manuals

Water Pump > < Thermostat, Engine Cooling|Specifications
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Thermostat: Service and Repair

1.

Disconnect the battery ground cable.

2.

Drain coolant from radiator.

3.

Disconnect thermoswitch electrical connector, if equipped, then the upper radiator hose from thermostat housing.

4.

On 1.8L/4-110 engines, remove EGR pipe bracket retaining bolt from water inlet manifold.

5.

On all models, remove thermostat housing and thermostat from engine assembly. Note installation position of jiggle valve before removing
thermostat.

6.

Reverse procedure to install, noting the following:
a. Ensure thermostat housing sealing surfaces are free of old gasket material.
b. Install thermostat with jiggle valve positioned at 12 o'clock.
c. Torque thermostat housing retaining bolts to 17 ft. lbs.

Water Pump > < Thermostat, Engine Cooling|Specifications