150416_Training documents
ProSteering ®
Shimmy Problem description: A severe shake or shimmy condition is noticeable at the steering wheel Ch cklist Verify the rear driving axles are remaining square with the centerline of the chassis during load shift or trailer roll Potential cause(s) Verification or action Result Remedy
Looseness found at a different connection point in the steering system (i.e., lug nuts, steering wheel to column, etc) All connection points within the steering system are tightened to the manufacturers specification
Repair or replace loose components
Complete the original manufactures service procedure for lash in steering system
Looseness in mechanical system
Call technical support
Bleeding the power steering system eliminated the steering wheel kick Investigate the next potential cause
Air was found in the power steering system
Bleed the power steering system following the manufacturers service procedure
Air is trapped in power steering system
Air is not present in the system and the problem still exists
150416_TECHNICAL GUIDE 31
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