| | Test results |
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
|---|
| 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 correct2. Tyres unsuitable or worn3. Wheel not correctly fastened | 1. Restore the correct tyre inflation pressure2. Replace the tyres3. Tighten the wheels correctly |
| 1 | WHEEL CHECK | All OK | Problems encountered | Operation |
|---|
| 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 balanced2. Rims dented or distorted | 1. Balance the wheels2. Replace the rims |
| 2 | WHEEL ALIGNMENT CHECK | All OK | Problems encountered | Operation |
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| Check the wheel alignment | Move on to Step 3 | Alignment not correct | Restore the correct vehicle alignment |
| 3 | ENGINE FLEXIBLE MOUNTINGS CHECK | All OK | Problems encountered | Operation |
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| Check the condition and centring of the engine frame, supports and reaction rod connecting the engine to the mechanical crossmember | Move on to Step 4 | 1. Engine flexible mountings faulty2. Reaction connecting rod faulty3. Mechanical crossmember faulty | 1. Adjust the fastenings: loosen the bolts, centre them in their housings and tighten them to the recommended torque. Op. 1008A POWER UNIT FASTENING 2. Adjust the fastenings: loosen the bolts, centre them in their housings and tighten them to the recommended torque. Op. 1008C POWER UNIT REACTION ELEMENTS 3. Adjust the fastenings: loosen the bolts, centre them in their housings and tighten them to the recommended torque. |
| 4 | BUSHES AND FLEXIBLE MOUNTINGS CHECK | All OK | Problems encountered | Operation |
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| Check the condition of the bushes and mountings. In order:- steering box rod pin with joint;- lower wishbone bushes;- anti-roll bar flexible mountings | Move on to Step 5 | 1. Steering box rod pin with joint worn or damaged2. Bushes for wishbones worn or damaged3. Anti-roll bar flexible mountings worn or damaged | 1. Replace the rods 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 |
| 5 | SPRING SHOCK ABSORBER ASSEMBLY CHECK | All OK | Problems encountered | Operation |
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| 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 correct2. Shock absorbers not working properly3. Springs not working properly. | 1. Restore the correct fastening2. 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 |
| 6 | STEERING RODS AND ARMS CHECK | All OK | Problems encountered | Operation |
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| Check the condition of the steering rods and arms | Move on to Step 7 | 1. Rods damaged or worn2. 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 |
| 7 | STEERING COLUMN BEARINGS CHECK | All OK | Problems encountered | Operation |
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| 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 |
