Name: __________________________
DTEC 110
Lab #2 – Steering Component Inspection
The service manuals required for this lab are the following.
From the Arvin Meritor Website listed under Service Manuals – Axles:
Front Non-Drive Steer Axles
Maintenance Manual 2 (Revised 10-03)
From the Road Ranger Website listed under Axle Service Manuals:
AXSM-0038: Steer Axles E1200I
List all the manufacturer’s data from the truck tag in the cab.
Front axle manufacturer and model:
_________________________________________________________________
What do all the numbers in the axle model refer to?
1. What is the purpose of draw key nuts?
2. What would be the result if the draw key nuts weren’t torqued properly?
Measure the steering knuckle vertical end play.
3. What was the steering knuckle vertical end play?
4. What would be the result if the steering knuckle vertical end play was too great?
Measure the upper and lower king pin bushing wear.
5. What was the upper king pin bushing wear?
6. What was the lower king pin bushing wear?
7. What would the result be if the king pin bushings were worn?
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