Cooling System
02
070
10
RG,RG34710,231 –19–29NOV00–1/1
Install Coolant Pump
RG8261A –UN–06DEC97
Installing Coolant Pump
A—O-Ring
1. Install a new O-ring (A) on coolant pump mounting
flange. Coat O-ring with clean engine oil.
2. Position thermostat housing-to-coolant pump bypass
hose onto tube on coolant pump.
3. Install coolant pump to front plate. Be careful not to cut
or damage O-ring.
NOTE: Apply LOCTITE

242 Thread Lock and Sealer
(TY9473) to coolant pump cap screws before
installing.
4. Install three coolant pump-to-front plate cap screws
and tighten to specifications.
Specification
Coolant Pump-to-Front Plate Cap
Screws—Torque 50 N•m (37 lb-ft)..............................................................
5. On engines with removable coolant pump inlet elbow,
install elbow and tighten cap screws to following
specifications.
Specification
Coolant Pump Inlet Elbow to
Housing Cap Screws—Torque 41 N•m (30 lb-ft)........................................
6. Install oil cooler and housing assembly. (See INSTALL
OIL COOLER/OIL FILTER VALVE HOUSING
ASSEMBLY OR OIL COOLER COVER/VALVE
HOUSING ASSEMBLY in Group 060.)
7. Install all hoses and tighten hose clamps securely.
Specification
Coolant Bypass Hose Clamp—
Torque 6 N•m (4.5 lb-ft)..............................................................................
Oil Cooler-to-Coolant Pump Hose
Clamp—Torque 9 N•m (7 lb-ft)...................................................................
LOCTITE is a registered trademark of Loctite Corp.
CTM100 (06APR04)
02-070-10
P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=294
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