Workshop Manuals Factory service & repair Jeep
01 Relays and Modules02 Sensors and Switches03 Maintenance04 Engine, Cooling and Exhaust05 Powertrain Management06 Transmission and Drivetrain07 Brakes and Traction Control08 Starting and Charging09 Power and Ground Distribution10 Steering and Suspension11 Heating and Air Conditioning12 Restraint Systems13 Accessories and Optional Equipment14 Body and Frame15 Cruise Control16 Instrument Panel, Gauges and Warning Indicators17 Lighting and Horns18 Windows and Glass19 Wiper and Washer Systems
Jeep Wrangler 2WD V6-3.8L (2008)03 · Maintenance
03 · Maintenance

Drive Belt: Diagrams (page 2 of 4)

Make
Jeep
Model
Wrangler 2WD
Engine
V6-3.8L
Year
2008
Section
Drive Belt
MaintenanceDiagrams · page 2 of 4
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Drive Belt: Testing and Inspection

DIAGNOSIS AND TESTING

VISUAL DIAGNOSIS

When diagnosing serpentine accessory drive belts, small cracks that run across the ribbed surface of the belt from rib to rib (1), are considered normal.
These are not a reason to replace the belt. However, cracks running along a rib (not across) (2) are not  normal. Any belt with cracks running along a rib
must be replaced. Also replace the belt if it has excessive wear, frayed cords or severe glazing.

Refer to the ACCESSORY DRIVE BELT DIAGNOSIS CHART for further belt diagnosis.

NOISE DIAGNOSIS

Noises generated by the accessory drive belt are most noticeable at idle. Before replacing a belt to resolve a noise condition, inspect all of the accessory
drive pulleys for alignment, glazing, or excessive end play.

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Parts & tools for this job For 2008 Jeep Wrangler 3.8L

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