Test results

First of all check the type, state and inflation pressure of the tyres. Check that the wheels are correctly fastened

Move on to Step 1

1. Tyre inflation pressure not correct

2. Tyres unsuitable or worn

3. Wheels not correctly fastened

1. Restore the correct tyre inflation pressure

2. Replace the tyres

3. Tighten the wheels correctly

Check:

- That the wheels are correctly balanced;

- The condition of the wheel rims (they should not show signs of dents or distortions)

Move on to Step 2

1. Wheels not balanced

2. Rims dented or distorted

1. Balance the wheels

2. Replace the rims

Check the wheel alignment

Move on to Step 3

Alignment not correct

Restore the correct vehicle alignment

Check the condition of the engine frame, supports and connecting rod connecting the engine to the mechanical crossmember

Move on to Step 4

1. Engine flexible mountings faulty

2. Reaction rod faulty

3. Mechanical crossmember faulty

1. Bed-in the fastenings: loosen the bolts, centre them in their housings and tighten them to the recommended torque

 Op. 1008A POWER UNIT FASTENING

2. Bed-in the fastenings: loosen the bolts, centre them in their housings and tighten them to the recommended torque

 Op. 1008C POWER UNIT REACTION ELEMENTS

3. Bed-in the fastenings: loosen the bolts, centre them in their housings and tighten them to the recommended torque.

Check the condition of the bushes and mountings. In order:

- steering box link pin with joint;

- lower wishbone bushes;

- anti-roll bar flexible mountings

Move on to Step 5

1. Steering box link pin with joint worn or damaged

2. Bushes for wishbones worn or damaged

3. Anti-roll bar flexible mountings worn or damaged

1. Replace the links

 Op. 4110B10 STEERING LINKS - R+R ON VEHICLE - CHECK TOE-IN/TOE-OUT SEPARATELY

2. Replace the lower wishbones

 Op. 4410B40 LOWER TRACK CONTROL ARM (WITH BALLJOINT) FOR LEFT OR RIGHT FRONT SUSPENSION (ONE) - R+R - CHECK WHEEL GEOMETRY SEPARATELY

3. Replace the flexible mountings

Check:

- The condition of the shock absorbers and springs and that they are working properly;

- The fastenings for the spring/shock absorber assembly.

Move on to Step 6

1. Tightening not correct

2. Shock absorbers not working properly

3. Springs not working properly.

1. Restore the correct fastening

2. Replace the shock absorber involved

 Op. 4410A12 FRONT SUSPENSION DAMPER (ONE), LH OR RH - FOR MCPHERSON STRUT SYSTEM - INCLUDES DISMANTLING/REASSEMBLY OF ASSEMBLY AT BENCH - R.R

3. Replace the spring involved

 Op. 4410A12 FRONT SUSPENSION DAMPER (ONE), LH OR RH - FOR MCPHERSON STRUT SYSTEM - INCLUDES DISMANTLING/REASSEMBLY OF ASSEMBLY AT BENCH - R.R

Check the condition of the steering links and arms

Move on to Step 7

1. Links damaged or worn

2. Arms damaged or worn

1. Replace the rods or joints

 Op. 4110B10 STEERING LINKS - R+R ON VEHICLE - CHECK TOE-IN/TOE-OUT SEPARATELY

2. Replace the steering box

Check the condition of the steering column support bearings and that they are working properly

End of diagnosis

Bearings worn or damaged

Restore the efficiency of the steering column. If necessary, replace the bearings involved