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Checking the Positive
Crankcase Ventilation
(PCV) Valve
Service Interval: Every 250 hours—Check the
positive crankcase ventilation (PCV)
valve. Clean, if necessary.
1.
Slide the spring clamps and remove the PCV
valve from the rubber hoses.
2.
Shake the valve and ensure that you can hear
loose parts in the valve.
If you do not hear loose parts in the valve, clean
or replace the valve; refer to the Service Manual.
Note:
When installing the new valve, ensure
that the valve is installed with the ventilation
going in the correct direction.
Figure 91
1. Ventilation flow direction
Checking the Timing Belt
Service Interval: Every 500 hours—Check the timing
Every 2,000 hours—Replace the timing belt.
1.
Remove the rubber plug.
2.
Using a flashlight, check the timing belt for
cracks, excessive wear, or damage.
3.
Ensure that the belt is tensioned to 29 N (6.5
lbf) at 6 mm (1/4 inch).
If it is not tensioned properly or if you need to
replace the belt, refer to the Service Manual.
g390954
1. Rubber plug
86
belt. Replace, if necessary.
Figure 92
g390956
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