1D-46 Engine Mechanical:
Step
CAUTION
!
Do not run the engine for longer than 60 seconds
with the accessory drive belt, or belts removed, or
overheating and/or damage may result.
1. Remove the engine accessory drive belt, or belts.
2. Block the front wheels.
3. Apply BOTH the service brakes and the park brake.
4. With the scan tool still installed, start the engine.
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5. Place the transmission in NEUTRAL or PARK.
6. Increase the engine RPM to the level recorded during
duplication of the disturbance.
7. Allow the engine to idle, then place the transmission in
DRIVE.
8. Increase the engine RPM to the level recorded during
duplication of the disturbance.
9. Turn OFF the ignition.
10. Install the engine accessory drive belt, or belts.
Was the disturbance significantly reduced or eliminated?
Were the characteristics of the disturbance altered but still
9
present?
Action
Yes
Go to Step 10
Go to Step 9
Go to Step 11
Go to Step 15
No