Mitsubishi MOTORS Space Runner 1998, Workshop Manual

Page: 371 / 1164

ENGINE COOLING -
Thermostat
14-13
REMOVAL SERVICE POINT
A
A
"
RADIATOR LOWER HOSE DISCONNECTION
After making mating marks on the radiator hose and the hose
clamp, disconnect the radiator hose.
INSTALLATION SERVICE POINTS
"
A
A
THERMOSTAT INSTALLATION
Install the thermostat so that the jiggle valve is facing straight
up.
Caution
Make absolutely sure that no oil is adhering to the rubber
ring of the thermostat. In addition, be careful not to fold
over or scratch the rubber ring when inserting. If the
rubber ring is damaged, replace the thermostat.
"
B
A
RADIATOR LOWER HOSE CONNECTION
1. Insert each hose as far as the projection of the water
inlet fitting.
2. Align the mating marks on the radiator hose and hose
clamp, and then connect the radiator hose.
INSPECTION
14100250275
THERMOSTAT CHECK
1. Immerse the thermostat in water, and heat the water while
stirring. Check the thermostat valve opening temperature.
Standard value:
Valve opening temperature: 85
±
1.5
_
C
2. Check that the amount of valve lift is at the standard
value when the water is at the full-opening temperature.
Standard value:
Full-opening temperature: 98
_
C
Amount of valve lift: 8.5 mm or more
NOTE
Measure the valve height when the thermostat is fully
closed, and use this measurement to calculate the valve
height when the thermostat is fully open.
Jiggle valve
Rubber ring
Valve lift