GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

DEFINITION: On a dry, smooth, flat road, the vehicle has a left or right steering force during acceleration that is eliminated when the transmission is shifted into NEUTRAL. The level of the steering force is usually dependent on the amount of torque which is applied by the engine.

1

Did you review the General Description and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Suspension General Diagnosis

2

  1. Drive the vehicle on a straight, smooth, flat road.
  2. Press the accelerator and momentarily release the steering wheel.
  3. Repeat this test with the vehicle traveling in the opposite direction in order to eliminate crosswind effects. Lead/pull caused by unlevel roads and crosswinds are considered normal.

Does the vehicle exhibit torque steer when the accelerator is pressed?

Go to Step 3

System OK

3

  1. Drive the vehicle on a straight, smooth, flat road at 64-97 km/h (40-60 mph).
  2. Remove your foot from the accelerator.
  3. Shift the transmission into NEUTRAL in order to allow the vehicle to coast.
  4. Momentarily release the steering wheel and note any change in the direction of the vehicle.
  5. Repeat this test with the vehicle traveling in the opposite direction in order to eliminate crosswind effects. Lead/pull caused by unlevel roads and crosswinds are considered normal.

Does the vehicle direction change when the steering wheel is momentarily released?

Go to Vehicle Leads/Pulls

Go to Step 4

4

Inspect the front suspension for worn or damaged components and repair as necessary.

Did you find and correct the condition?

Go to Step 7

Go to Step 5

5

Inspect the vehicle trim height. Refer to Trim Height Inspection .

Did you find and correct the condition?

Go to Step 7

Go to Step 6

6

Inspect for worn or damaged powertrain mounts. Replace as necessary. Refer to the following procedures:

    •  Engine Mount Inspection in Engine Mechanical - 2.2L (L61)
    •  Engine Mount Inspection in Engine Mechanical - 3.5L (L66)
    •  Transmission Mount Inspection in Automatic Transaxle - 5AT

Did you complete the inspection/repair?

Go to Step 7

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7

Operate the vehicle in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3