Section 03
ENGINE
Subsection 05
(COOLING SYSTEM)
03-05-6
VMR2004_128_03_05A.FM
WATER TEMPERATURE SWITCH
Removal
NOTE:
The temperature switch is located on the
top of cylinder head, on intake side.
Install a hose pincher on both radiator hoses.
Unplug the water temperature switch then remove it.
1. Water temperature switch
2. Intake port
Test
To check water temperature switch, put in coolant
and heat coolant.
The water temperature switch should operate
when coolant temperature reaches 115°C (239°F).
Replace coolant temperature switch if necessary.
Installation
For installation, reverse the removal procedure.
CAUTION:
Never use the gasket ring a second
time. Always install a new one.
Torque temperature switch to 16 N•m (142 lbf•
in
).
Check coolant level in radiator and coolant tank and
top up if necessary.
WATER PUMP HOUSING
It is located on the engine MAG side.
Removal
Drain cooling system.
Remove:
– radiator outlet hose
no. 16
– screws
no. 1
and
no. 2
retaining water pump
housing
no. 3
1. Screws M6 x 25 with sealing ring
2. Screws M6 x 25
– water pump housing
no. 3
.
Inspection
Check if gasket is brittle, hard or damaged and re-
place as necessary.
1. Gasket
1
R400motr149A
2
R400motr137A
1
2
R400motr138A
1
