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Did you review the Symptoms - Engine Mechanical diagnostic
1
information and perform the necessary inspections?
Inspect the drive belt(s) for the proper installation. Refer to Drive
Belt Replacement - Accessory or Drive Belt Replacement - Air
2
Conditioning .
Did you find this condition?
Inspect for the proper drive belt.
3
Did you find this condition?
Inspect for the drive belt rubbing against a bracket, hose, or wiring
4
harness.
Did you find and repair the condition?
Replace the drive belt. Refer to Drive Belt Replacement -
5
Accessory or Drive Belt Replacement - Air Conditioning .
Did you complete the replacement?
Run the engine in order to verify the repair.
6
Is there still excessive drive belt wear?
DRIVE BELT TENSIONER DIAGNOSIS
NOTE:
Allowing the drive belt tensioner to snap into the free position may result in
damage to the tensioner.
IMPORTANT: When the engine is operating, the belt tensioner arm will move. Do not replace
the belt tensioner because of movement in the belt tensioner arm.
1. Remove the drive belt. Refer to Drive Belt Replacement - Accessory or Drive Belt Replacement - Air
Conditioning .
2. Position a hex-head socket on the belt tensioner pulley bolt.
3. Move the belt tensioner through its full travel.
The movement should feel smooth.
There should be no binding.
The belt tensioner should return freely.
4. If any binding is observed, replace the drive belt tensioner. Refer to Drive Belt Tensioner Replacement
- Accessory or Drive Belt Tensioner Replacement - Air Conditioning .
5. Install the drive belt. Refer to Drive Belt Replacement - Accessory or Drive Belt Replacement - Air
Conditioning .
DESCRIPTION AND OPERATION
CRANKCASE VENTILATION SYSTEM DESCRIPTION
A closed crankcase ventilation system is used in order to provide a more complete scavenging of crankcase
vapors. Fresh air from the throttle body is supplied to the crankcase, mixed with the blow-by vapors and then
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Engine Mechanical
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System OK
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