6) Loosen tensioner bolt and stud, and remove
belt from crank timing belt pulley and
camshaft pulley after pushing up tensioner
plate fully with finger as shown in Figure.
24 1
1.
Timing belt
2. Tensioner plate
3. Tensioner bolt
4. Tensioner stud
Fig. 6-
14
8) Remove water pump assembly.
7) Remove timing belt tensioner, plate and
spring.
1. Water pump
Fig.
6-
15
6-3. INSPECTION OF COMPONENTS
Thermostat
1) Make sure that air bleed valve of thermostat
is clear. Should this valve be clogged, engine
would tend to overheat.
Fig.
6-
16
1. Air bleed valve
2) Check valve seat for some foreign matters
3) Check thermostatic movement of wax pellet
being stuck which prevent valve from
seating tight.
as follows:
Immerse thermostat in water, and heat
water gradually.
Check that valve starts to open at specifi-
cation temp.
If valve starts to open at a temperature
substantially below or above, thermostat
unit should be replaced with a new one.
Such a unit, if reused, will bring about
overcooling or overheating tendency.
1. Thermostat
2. Thermometer
Fig.
6-
17
3. Heater
6-7
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