C 2500 Suburban 2WD V8-454 7.4L VIN J SFI (1998)
4. On the 7.4L, remove the following items:
4.1. The bolts or studs
4.2. The coolant outlet
4.3. The thermostat from the housing
4.4. The gasket (If necessary)
5. Clean the thermostat housing and the cooling outlet sealing surfaces.
INSTALLATION PROCEDURE
1. For the 4.3L, install the following items:
1.1. The thermostat into the housing
1.2. The gasket (if necessary)
1.3. The coolant outlet
2. Install the bolts or the studs
Tighten the bolts or the studs to 28 Nm (21 ft. lbs.).
NOTICE: Refer to Fastener Notice in Service Precautions.
