scope:

Introduction

Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Purpose. Evaluate temperature characteristics of Axle/Rear Drive Module (RDM)/Front Drive Unit (FDU) lube, pinion bearings, and their environment to assure that their lubrication is suitable for low temperature, high speed operation. 

Applicability. This procedure applies to drive Axles/RDMs/FDUs in passenger cars and trucks. 

Remarks. 

This test procedure may be run at various temperatures and lube types for development purposes. 

A break-in run on the test unit is not necessary or desired for this test.