Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSJEEP1985WAGONEER L4-150 2.5L VIN U 1-BBLREPAIR AND DIAGNOSISSPECIFICATIONSMECHANICAL SPECIFICATIONSDIFFERENTIAL ASSEMBLYCLEARANCE AND DESIGN SPECIFICATIONS
1985 Jeep Wagoneer L4-150 2.5L VIN U 1-bbl
Clearance and Design Specifications
1985 Jeep Wagoneer L4-150 2.5L VIN U 1-bblSECTION Clearance and Design Specifications
Front and Rear Differential Specifications
Front Differential
Rear Differential
The rear axle is a semi-floating type with a 19.2-cm (7 9/16-in) diameter ring gear.
NOTE: The starter shim thickness must not be used as a final shim setting. An actual pinion depth measurement must be performed and the final shim thickness adjusted as necessary.
Move the ring gear backward and forward and note backlash registered on the dial Indicator. Backlash should be 0.13 to 0.23 mm (0.005 to 0.009 in), with 0.20 mm (0.008 in) desired.
Front Differential
Front Axle Differential Specifications:
Rear Differential
The rear axle is a semi-floating type with a 19.2-cm (7 9/16-in) diameter ring gear.
Front Differential Side Gear Measurement:
Axle Size And Ratio Identification:
General Specifications:
Pinion Marking:
Pinion Variance Chart:
NOTE: The starter shim thickness must not be used as a final shim setting. An actual pinion depth measurement must be performed and the final shim thickness adjusted as necessary.
Ring Gear Backlash Adjustment Specifications:
Move the ring gear backward and forward and note backlash registered on the dial Indicator. Backlash should be 0.13 to 0.23 mm (0.005 to 0.009 in), with 0.20 mm (0.008 in) desired.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.