Cooling System
Component Servicing
222
tighten the cover to a torque of 120 to 144 in. lbs.
(13.5 to 16.5 N·m).
Pressure Relief Valve Servicing
The pressure relief valve assembly should be ser-
viced at the same time as the thermostats.
Disassembly
It is NOT necessary to remove hose clamps and
hoses from the exhaust adapter.
Remove the screws securing the pressure valve
cover to the exhaust adapter.
Remove the pressure valve cover, pressure valve
assembly and o-ring from the exhaust adapter.
Inspection
Inspect all parts for cracks, heat damage, or signs
of corrosion. Replace damaged parts. Clean
debris from exhaust adapter and other parts.
Assembly
Assembly is the reverse of disassembly. Pay
close attention when performing the following
additional tasks.
Install valve on powerhead. Tighten nuts to a
torque of 60 to 84 in. lbs. (7 to 9.5 N·m).
1. Screws
009268
1. Cover
2. Pressure valve assembly
3. O-ring
009269
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