Section04ENGINE
Subsection 06 (COOLING SYSTEM)
NOTE: Follow hydrometer manufacturer instruc-
tions for proper use.
The reading should be - 37°C(-37°F) or lower.
Add demineralized water or antifreeze accord-
ingly. Refill to the proper level.
CAUTION: Pure antifreeze will freeze at a
higher temperature than the optimal water/an-
tifreeze mix.
COOLANT PUMP HOUSING
R1503motr317B
1
1. Coolant pump housing
Removal
Drain cooling system (see above) and engine oil
(refer to LUBRICATION SYSTEM).
Remove from housing:
– oil cooler outlet hose no. 7
– coolant hose no. 8
– screws no. 12 and no. 13 retaining coolant
pump housing no. 14
– coolant pump housing no. 14.
Inspection
Check if gasket no. 15 is brittle, hard or damaged
and replace as necessary.
R1503motr316A
1
1. Pump housing gasket
Installation
The installation is the opposite of the removal pro-
cedure. Install screws as per the following illus-
tration.
R1503motr315A
1
2
1. Screws M6 x 25
2. Screws M6 x 105
CAUTION: To prevent leaking, take care that the
gaskets are exactly in groove when you rein-
stall the coolant pump housing.
Apply Loctite 243 on screw threads and torque to
10 N•m(89lbf•in).
Tightening sequence for screws on coolant pump
housing is as per following illustration.
Te m pla te 101
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