312002017 - S067 KNOCKING FROM FRONT SEAT CUSHION

Noise/knocking
Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
"Rock" in the seat resting against the backrest; check the fastenings to the floor (four M8 bolts) releasing the tension and check the front and rear mountings.Move on to Step 1Creaking; non alignment of guides during sliding stage (twist effect).Retighten the seat to the floor following the correct guide alignment cycle.
1CHECK ON GUIDE FASTENINGS TO SEATAll OKProblems encounteredOperation
Check whether the noise disappears by releasing the tension of the fastenings securing the guides to the seats (6 M8 bolts on the 4 way seat and 2 M8 bolts on the 6 way seat).Move on to Step 2Noise disappearsRetighten the seat to the floor following the correct tightening cycle.
2SEAT LIFTING HINGES CHECKAll OKProblems encounteredOperation
Check for clearance at the seat lifting hingesMove on to Step 3Excessive clearance in the seat lifting hinges.Replace the seat lifting assembly.Op. 7045A36
3BRACKET HOLDER CONTACT CHECKSAll OKProblems encounteredOperation
Check for the presence of contacts or detachment of the bracket.Move on to Step 41. Contact with cushion components2. Detachment of the bracket1. Move the bracket away from possible contact with the cushion.2. Replacement of connector holder bracket.
4SUSPENSIONMAT FASTENINGS CHECKS (LUMBAR SUSPENSION)All OKProblems encounteredOperation
Check for possible detachment of the suspensionmat fastenings on the frame or possible breaks.End of diagnosisSuspensionmat released or broken.Reattach suspensionmat or replace suspensionmat    Op. 7045A79 FRAME OF TILTING CUSHION OF A FRONT SEAT, LEFT OR RIGHT - R.R .