197
COOLING SYSTEM
PRESSURE RELIEF VALVE SERVICING
10
PRESSURE RELIEF
VALVE SERVICING
The pressure relief valve assembly should be ser-
viced at the same time as the thermostat.
Disassembly
Remove screws and cover from pressure valve
assembly.
Remove the pressure relief valve assembly.
Inspection
Inspect all parts for cracks, heat damage, or signs
of corrosion. Replace damaged parts. Clean
debris from housing and parts.
Assembly
Assembly is the reverse of disassembly. Pay
close attention when performing the following
additional tasks.
Install a new plunger seal squarely over ridge in
housing.
Apply a light coat of Triple-Guard grease to a new
cover o-ring and place in groove in housing.
Install valve assembly into housing. Tighten cover
screws to a torque of 60 to 84 in. lbs. (7 to 9.5
N·m).
002443
002459
Pressure relief valve assembly components 002442
1. Plunger seal
2. Cover o-ring
002458
1
2
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