Thermostat - Suzuki Grand Vitara XL-7 Service Manual

6B-10 ENGINE COOLING

THERMOSTAT

REMOVAL
1) Disconnect negative cable at battery.
2) Drain cooling system and tighten drain plug.
3) Remove intercooler referring to "INTERCOOLER" in Section
6E3.
4) Remove intercooler bracket (1) and vacuum pipe (2).
5) Remove thermostat cap (1) from water outlet box (2).
6) Remove thermostat (3).
INSPECTION
1) Check to make sure that valve seat is free from foreign matters
which would prevent valve from seating tight.
2) Check thermostat seal (1) for breakage, deterioration or any oth-
er damage.
3) Check thermostatic movement of wax pellet as follows:
a) Immerse thermostat in water, and heat water gradually.
b) Check that valve starts to open at specific temperature.
c) If valve starts to open at a temperature substantially below or
above specific temperature, thermostat unit should be re-
placed with a new one. Such a unit, if reused, will bring about
overcooling or overheating tendency.
1. Thermostat
2. Thermometer
3. Heater
INSTALLATION
Reverse removal procedures.