Spicer Single Drive Axles Service Manual: S135L, S135N, S135S, S150L, S150N, S150S User Manual

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Table of Contents

General Information

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Model Identification . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Parts Identification. . . . . . . . . . . . . . . . . . . . . . . . 3

Ring Gear and Pinion . . . . . . . . . . . . . . . . . . . . . . . . . 4

Inspection

Failure Analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Prepare the Parts for Inspection . . . . . . . . . . . . . . . . 6
Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Clean . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Inspect Axle Housing . . . . . . . . . . . . . . . . . . . . . . 7
Inspect Primary Gearing . . . . . . . . . . . . . . . . . . . 7

Differential Carrier Assembly

Differential Carrier Assembly - Exploded View . . . . . . 8
Removal of Differential Carrier From Axle Housing . . 9
Install Differential Carrier . . . . . . . . . . . . . . . . . . . . . 10
Remove Wheel Differential . . . . . . . . . . . . . . . . . . . . 11

Pinion Assembly

Rear Axle Pinion Assembly - Exploded View . . . . . . 12
Remove Pinion Assembly . . . . . . . . . . . . . . . . . . . . 13
Install Pinion Assembly . . . . . . . . . . . . . . . . . . . . . . 15

Wheel Differential Assembly

Wheel Differential Assembly - Exploded View . . . . . 17
Disassemble, Overhaul and
Assemble Wheel Differential . . . . . . . . . . . . . . . . . . 18

Disassemble Wheel Differential . . . . . . . . . . . . . 18
Overhaul and Assemble Wheel Differential. . . . . 20

Wheel Differential Adjustments

Measure and Adjust Carrier Assembly
(Adjust Backlash and Preload) . . . . . . . . . . . . . . . . . 22
Change Backlash Setting . . . . . . . . . . . . . . . . . . . . . 23

Adjust Tooth Contact Pattern

Adjust Ring and Pinion Tooth Contact Pattern . . . . . 24
Adjust Ring Gear Position (Backlash) . . . . . . . . . . . 25

Housing Breather

Install New Axle Housing Breather -
(Metal and Plastic) . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Axle Housing

Axle Housing - Exploded View . . . . . . . . . . . . . . . . . .27

Wheel End Seal

Wheel End Seal Parts - Exploded View . . . . . . . . . . .28
Remove and Overhaul Wheel End Seal . . . . . . . . . . .29

Install Wheel End Seal . . . . . . . . . . . . . . . . . . . . 29

Wheel Adjustment Systems

Adjust Wheel Bearing . . . . . . . . . . . . . . . . . . . . . . . .30

Wheel Ends

Verify Wheel End-Play Procedure . . . . . . . . . . . . . . .32

Lubrication

Lubricate Wheel End . . . . . . . . . . . . . . . . . . . . . . . . .33
General Lubrication Information . . . . . . . . . . . . . . . .35

Approved Lubricants . . . . . . . . . . . . . . . . . . . . . .35
Recommendations for Viscosity/
Ambient Temperature . . . . . . . . . . . . . . . . . . . . 35

Lube Change Intervals . . . . . . . . . . . . . . . . . . . . . . . .36
Change Lube . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37

Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Fill . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Proper Vehicle Towing

With Truetrac Limited Slip Differential. . . . . . . . 38
Torque Flow. . . . . . . . . . . . . . . . . . . . . . . . . . . . .39

Parts Identification

Rear Drive Axle Parts - Exploded View . . . . . . . . . . .40

Torque Specifications

Fastener Torque Specifications . . . . . . . . . . . . . . . . .41

Service Tools

Recommended Service Tools . . . . . . . . . . . . . . . . . .42