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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 846 (Suspension System General Diagnosis) >> Diagnostic Information and Procedures >> Poor Directional Stability

Poor Directional Stability

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Poor Directional Stability

Step Action Yes No
DEFINITION: Driver is unable to maintain consistent, predictable vehicle driving control in any direction.
1 Did you review the General Description and perform the necessary inspections? Go to Step 2  Go to Symptoms - Suspension General Diagnosis 
2 Verify that the directional stability is poor.
Does the system operate normally?		 System OK Go to Step 3 
3
  1. Inspect the stabilizer shaft, links, and insulators for wear or damage.
  2. Replace as necessary.
Does the vehicle still exhibit poor directional stability?		 Go to Step 4  System OK
4
  1. Inspect the lower control arms, ball joints and tie rods for wear or damage.
  2. Repair as necessary.
Does the vehicle still exhibit poor directional stability?		 Go to Step 5  System OK
5 Inspect the wheel bearings/hubs for looseness or excessive lateral runout. Refer to Wheel Bearings Diagnosis .
Does the vehicle still exhibit poor directional stability?		 Go to Step 6  System OK
6
  1. Inspect the vehicle trim height. Refer to Trim Height Inspection Procedure .
  2. Repair as necessary.
Does the vehicle still exhibit poor directional stability?		 Go to Step 7  System OK
7 Inspect and adjust the wheel alignment as necessary. Refer to Measuring Wheel Alignment in Wheel Alignment.
Does the vehicle still exhibit poor directional stability?		 Go to Step 8  System OK
8
  1. Inspect the steering column for looseness. Refer to Looseness in Steering Column in Steering Wheel and Column.
  2. Repair as necessary.
Did you complete the repair?		 Go to Step 9  -
9
  1. Inspect the steering gear mounting bolts for looseness. Refer to Fastener Tightening Specifications in Power Steering.
  2. Inspect the bearing preload adjustment. Refer to Rack and Pinion Gear Rack Bearing Preload Adjustment - Off Vehicle (MAGNASTEER) in Power Steering Systems.
  3. Repair as necessary.
Did you complete the repair?		 Go to Step 10  -
10 Operate the vehicle in order to verify the repair.
Did you correct the condition?		 System OK Go to Step 3 
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