Drift whilst braking
- Make
- Fiat
- Model
- Grande Punto Factory Service Manual
- Year
- 2005–2012
- Section
- Steering – vehicle behaviour › Drift whilst braking
DRIFT WHILST BRAKING
The vehicle tends to drift to the left or the right whilst braking. If necessary, carry out a road test on a straight, flat road without transverse gradients to check the effective drift
| Results of the tests | ||||
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|---|---|---|---|
First of all, check that the tyres are the correct type, in good condition and correctly inflated. Check that the wheel bolts are correctly fastened | Move on to Step 1 | 1. Tyre inflation pressure not correct 2. Tyres unsuitable or worn 3. Wheel bolts not correctly tightened | 1. Make sure tyres are inflated to the correct pressure 2. Replace the tyres 3. Tighten the wheel bolts to the correct torque | |
| 1 | BRAKING SURFACES CHECK | All OK | Problems encountered | Operation |
Check: - the condition of the front pads braking surfaces; - the condition of the rear pads braking surfaces | Move on to Step 2 | 1. Brake surfaces vitrified or with traces of grease, oil or water 2. Front pads damaged or not the recommended type 3. Rear pads damaged or not the recommended type | 1. Clean again, check and remove the causes of the fault 2. Replace the front pads Op. 3310A60 FRONT BRAKE PADS - REPLACE 3. Replace the rear pads | |
| 2 | FRONT DISCS AND CALIPERS CHECK | All OK | Problems encountered | Operation |
Check the condition of the front brake discs Check the condition of the front brake caliper pistons | Move on to Step 3 | 1. Front discs worn or damaged 2. Front caliper pistons worn or seized. | 1. Replace the front discs Op. 3310A48 FRONT BRAKE DISC (ONE), LEFT OR RIGHT - R.R 2. Replace the front brake calipers | |
| 3 | REAR DISCS AND CALIPERS CHECK | All OK | Problems encountered | Operation |
Check the condition of the rear brake discs. Check the condition of the rear brake caliper pistons | Move on to Step 4 | 1. Rear discs worn or damaged. 2. Rear caliper pistons worn or seized | 1. Replace the rear discs Op. 3310B48 REAR BRAKE DISC (ONE), LEFT OR RIGHT - R.R. 2. Replace the rear brake calipers | |
| 4 | CHECK USING DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
Connect the Examiner diagnostic equipment to the diagnostic socket. Check that there are no faults in the ABS control unit | Move on to Step 5 | 1. Error detected in the control unit 2. No communication with the control unit | 1. Continue following the instructions for the diagnostic equipment 2. Restore connection between the ABS control unit and the diagnostic connector | |
| 5 | ACTIVE DIAGNOSIS WITH DIAGNOSTIC EQUIPMENT | All OK | Problems encountered | Operation |
Keeping the Examiner diagnostic equipment connected carry out the active diagnosis of: - pump motor; - solenoid valves | Move on to Step 6 | Pump and/or solenoid valves faulty | Replace the ABS electronic control unit electrohydraulic unit Op. 3340A12 ABS HYDRAULIC AND ELECTRONIC CONTROL UNIT - R.R. | |
| 6 | FRONT GEOMETRY CHECK | All OK | Problems encountered | Operation |
Check the vehicle geometry and front wheel angles Op. 4450A10 FRONT WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT - INCLUDES ADJUSTMENT IF NECESSARY | Move on to Step 7 | 1. Geometry not correct 2. Geometry not correct 3. Angles not correct | 1. Check and, if necessary, replace the shock absorber 2. Check and, if necessary, replace the spring 3. Restore correct angles Op. 4450A10 FRONT WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT - INCLUDES ADJUSTMENT IF NECESSARY | |
| 7 | REAR GEOMETRY CHECK | All OK | Problems encountered | Operation |
Check the vehicle geometry and rear wheel angles Op. 4450A40 REAR WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT, INCLUDES ADJUSTMENT IF NECESSARY | End of diagnosis | 1. Geometry not correct 2. Geometry not correct 3. Angles not correct | 1. Check and, if necessary, replace the shock absorber 2. Check and, if necessary, replace the spring Op. 4420A40 L/H OR R/H REAR SUSPENSION COIL SPRING (ONE) - R+R 3. Restore correct angles Op. 4450A40 REAR WHEEL GEOMETRY - CHECK USING OPTICAL EQUIPMENT, INCLUDES ADJUSTMENT IF NECESSARY | |
Parts & tools for this job For 2005 Fiat Grande Punto
- TOOLTie rod end toolSearch: tie rod end puller
- TOOLBall joint separatorSearch: ball joint separator
- FLUIDPower steering fluidSearch: Fiat power steering fluid
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