- Clean sealing surface.
 
- Install NEW gasket.
 
- Install the thermostat housing (2).
 
Caution: Refer to Fastener Caution in the Preface section.
- Install the 4 thermostat housing bolts (3) and tighten to 
8 N·m (71 lb in).
 
- Install the thermostat housing retainer (1).
 
- Install the thermostat housing retainer nut (4) and tighten to 
XXX N·m (XXX lb in).