| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation |
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| Steer to the right or to the left and check whether the noise increases.Steer fully and then release the steering wheel: check whether the intensity of the increases or not with the steering angle | Move on to Step 1 | 1. The noise only varies when steering either to the left or to the right2. The noise stops in a straight line3. The noise varies greatly with the steering angle4. The noise remains constant with the steering angle. | 1. Proceed as instructed See table S015 NOISE WHILST DRIVING2. Proceed as instructed See table S015 NOISE WHILST DRIVING3. Move on to Step 24. Move on to Step 1 |
| 1 | DIFFERENTIAL CHECK | All OK | Problems encountered | Operation |
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| Check the differential and, in particular, the bearings, see Op. 2110D MANUAL GEARBOX DIFFERENTIAL | Move on to Step 2 | 1. Bearings damaged2. Gears worn or damaged | 1. Replace the bearings Op. 2110D26 DIFFERENTIAL INTERNAL CASING BEARINGS - REPLACE WITH DIFFERENTIAL INTERNAL CASING REMOVED2. Overhaul or replace the differential casing |
| 2 | CONSTANT VELOCITY JOINT CHECK | All OK | Problems encountered | Operation |
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| Check the transmission constant velocity joints | End of diagnosis | Joint damaged | Replace the joint |
