- Install the water outlet gasket (4) and O-ring (5).
 
- Install the heater inlet pipe O-ring (3).
 
- Install the heater inlet pipe (2).
 
Caution: Refer to Fastener Caution in the Preface section.
- Install the heater inlet pipe bolt (1) and tighten to 
9 N·m (80 lb in).
 
- Install the water outlet (2).
 
- Install the water outlet bolts (1) and tighten to 
10 N·m (89 lb in).