megane 225 Gearbox Noise

Discussion in 'Mechanical - Engine, Gearbox, Exhaust etc' started by oktay, Jul 6, 2020.

  1. Hi all, im new here and i need help.
    im working in renault service but i couldnt solve this problem.
    there is a noise in box when press clutch noise goes away.(179.952 km)

    i changed all bearings in box also dmf clucth pedal and clutch bearing but noise is still exist.
    1.jpg 2.jpg 3.jpg 4.jpg
    also i found on gearbox this number which is belongs to scenic 1.9? there is no other number on box.
    a.jpg
    maybe box changed before?
    mine is 7701717780 /7701717759 for ndo-000 and 7711135910 for ND0S07 in system of renault.

    i hope you have any ideas about this
    thanks
     
  2. that's a weird one, doesn't sound like a gearbox to me as it is tapping kind of noise, difficult to diagnose like that, did you ask other tech at Renault?
     
  3. Did you change the clutch?
    Did you check if the imput shaft is perfectly straight? Perhaps it is a little bit bent
     
  4. Yes 3 other cotechs exld. me check it.Unfortunately It coming from gearbox.when i forced to shift into gear witout press clucth pedal noise goes away also.
    i did change oem clutch dmf and clutch bearing.and yes checked also primary shaft straight and no gap into box.
     
  5. Is the bearing in the crankshaft has been changed when you did the clutch and dmf?
     
  6. also yes.
     
  7. Puzzling
     

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