Express 1/2 Ton Van V6-4.3L VIN W (1999)
13. Remove the studs and bolts securing the thermostat housing crossover to the engine.
14. Remove the thermostat housing crossover.
15. Clean the thermostat housing crossover sealing surfaces.
Installation Procedure
1. Install the new gaskets.
2. Install the thermostat housing crossover.
Notice: Refer to Fastener Notice in Service Precautions.
3. Install the studs and bolts retaining the thermostat housing crossover to the engine.
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Tighten the bolts and studs to 47 Nm (35 ft. lbs.).
4. Connect the upper radiator hose to the thermostat housing crossover.
