TEST RESULTS

Adjust the backrest by pressing with your hands to identify the sources of the noise coming from the backrest

Move on to Step 1

Components with interference

Move the interfering components apart and, if the welding is insufficient, renew it.

Check the areas where the upper and lower crossmembers are matched with the backrest sides.

Move on to Step 2

Breaks in the matching areas

Replace the backrest assembly

Op. 7045A20 BACKREST ASSEMBLY FOR FRONT SEAT WITH AIR BAG, HEIGHT ADJUSTMENT AND LUMBAR ADJUSTMENT, LEFT OR RIGHT - R.R.

Check that the attachments on the upper and lower crossmembers are correctly moulded and the plastic basket is correctly attached to the two edges.

Also check whether the springs are broken.

Move on to Step 3

1. Moulding not correct

2. Attachment of plastic basket not correct.

3. Springs broken.

1. Restore the correct moulding.

2. Restore the correct attachment of the plastic basket.

3. Replacement of backrest springs assembly.

Check on creaking caused by whiplash mechanism on backrest

Move on to Step 4

1. Joint springs creaking.

2. Contacts with backrest internal components (frame, etc.)

1. Lubricate springs/joints with molybdenum disulphide grease.

2. Space out the parts in contact.

Check that the fault is no longer present.

End of diagnosis

The fault persists.

Replace the seat frame

 Op. 7045A86 FRONT SEAT CUSHION COVER, LEFT OR RIGHT - R.R. WITH SEAT REMOVED