Mitsubishi MOTORS Space Runner 1999 Workshop Manual Supplement page 582

Rubber ring
ENGINE COOLING –
INSTALLATION SERVICE POINTS
Jiggle valve
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.
1. Insert each hose as far as the projection of the water
2. Align the mating marks on the radiator hose and hose
INSPECTION
THERMOSTAT CHECK
1. Immerse the thermostat in water, and heat the water while
2. Check that the amount of valve lift is at the standard value
Valve lift
Thermostat
AA THERMOSTAT INSTALLATION
BA RADIATOR LOWER HOSE CONNECTION
inlet fitting.
clamp, and then connect the radiator hose.
stirring. Check the thermostat valve opening temperature.
Standard value:
Valve opening temperature:
<GDI> 85 1.5_C
<MPI> 88_C
when the water is at the full-opening temperature.
Standard value:
Full-opening temperature:
<GDI> 98_C
<MPI> 100_C
Amount of valve lift:
<GDI> 8.5 mm or more
<MPI> 8.0 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.
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