183
COOLING SYSTEM
PRESSURE RELIEF VALVE SERVICING
9
HEAD” facing thermostat. Refer to Cylinder Head
Installation on p. 207.
Inspection
Inspect all parts for cracks, heat damage, or signs
of co rrosion. Re place dama ged p arts. Clean
debris from housing and parts.
Assembly
Assembly is the rever se of disassemb ly. Pa y
close attent ion when pe rforming the following
additional tasks.
Coat t hreads of thermost at cover with Gasket
Sealing Compound and install new O-ring. Install
and tighten cover to a torque of 120 to 144 in. lbs.
(13.5 to 16 N·m).
PRESSURE RELIEF
VALVE SERVICING
The pressure relief valve assembly should be ser-
viced at the same time as the thermostat.
Disassembly
Remove screws and cove r from pressure valve
assembly.
Remove the pressure relief valve assembly.
1. Cylinder head seal 002445
000756
002443
002459
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