For 1990-2009 cars

Problem | Action
--- | ---
Worn steering linkage components | Inspect steering linkage components. Replace as necessary.
Loose steering gear mounting | Inspect steering gear mounting. Tighten steering gear mounting to specification. Refer to Fastener Tightening Specifications .
Variable effort system malfunction | Inspect variable effort steering system, Repair as necessary. Refer to Diagnostic Starting Point - Variable Effort Steering in Variable Effort Steering System.