|  |  | Results of the tests | 
| 0 | PRELIMINARY CHECKS | All OK | Problems encountered | Operation | 
|---|
|  | 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 | The noise only varies when steering either to the left or to the right | Proceed as instructed in the    See table S015 NOISE WHILST DRIVING | 
| The noise stops in a straight line | Proceed as instructed in the    See table S015 NOISE WHILST DRIVING | 
| The noise varies greatly with the steering angle | Move on to Step 2 | 
| The noise remains constant with the steering angle | Move on to Step 1 | 
| 1 | DIFFERENTIAL CHECK | All OK | Problems encountered | Operation | 
|---|
|  | Check the differential and, in particular, the bearings    Op. 2110D  MANUAL GEARBOX DIFFERENTIAL | End of diagnosis | Bearings damaged | Replace the bearings    Op. 2110D26 DIFFERENTIAL INNER CASE BEARINGS - REPLACE WITH DIFFERENTIAL INNER CASE REMOVED | 
| Gears worn or damaged | Overhaul or replace the differential casingOp. 2110D10 | 
| 2 | CONSTANT VELOCITY JOINT CHECK | All OK | Problems encountered | Operation | 
|---|
|  | Check the transmission constant velocity joints | End of diagnosis | Joint damaged | Replace the jointOp. 2710A52  DIFFERENTIAL SIDE SLIDING JOINT (ONE) L/H OR R/H - R + R WITH DRIVESHAFT REMOVED - INCLUDES BOOT REPLACEMENT |