Bushing and kingpin wear - normal, Steer axle – Spicer Drive Axles Failure Analysis Service Manual User Manual

Page 49

Advertising
background image

Steer Axle

48

St

e

e

r Ax
le

Bushing and Kingpin Wear - Normal

General Description:
Normal wear to a bushing will show an even wear pattern at one location only. It will be on the outboard side of the top bushing
and on the inboard side of the bottom bushing. This wear is indicated by an endplay reading of more than .015".

Usual Causes:

High mileage

Small amounts of contamination

High loads over long periods of time

Bushing Worn in One Area Only

No Wear on Kingpin

Tie Rod End - Water Contamination

Thread Damage - Loose Clamp Assembly

Advertising