Workshop Manuals Factory service & repair Vauxhall
Vauxhall Astra J18 · Suspension
18 · Steering & suspension

Torque Steer

Make
Vauxhall
Model
Astra J
Section
Suspension General Diagnosis › Other Information › Torque Steer
SuspensionTorque Steer

Torque Steer



Step
Action
Yes
No

DEFINITION: On a dry, smooth, flat road, the vehicle has a left or right steering force only during acceleration.

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 determine if any additional steering input is required to maintain a straight ahead direction.
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. Is any additional steering input required to maintain a straight ahead direction.
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 and powertrain mounts for worn or damaged components and repair as necessary.

Did you find and correct the condition?
Go to Step 6
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 6
-

6
Operate the vehicle in order to verify the repair.

Did you correct the condition?
System OK
-
 

Parts & tools for this job For Vauxhall Astra

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