Gearbox Help ?

[bobbyb52]

Got a 2002 1.8lx. 80k

Last night after moving off from lights there is a bad "grinding" metallic noise coming from the LH front.I think it is something to do with gearbox / clutch.

Noise happens in 1/2/3/4 but not 5, gears change up fine,nice and smooth, but change down from 5 to 4 is difficult but rest ok.

Any ideas ? gearbox selector bust ? clutch breaking up ?

 

Cheers

Bob

[Johndouglas]

Any clutch slip? Tinkling/grinding noises when changing gear can indicate DMF trouble.

[bobbyb52]

John, no clutch slip, it is not when changing gear but constantly when in gear,happens all the way through 1 to 3, slightly less in 4 but nothing in 5, put clutch in after changing and noise literally stops, until change to next gear let clutch out and its is there again .

What is DMF ?

 

Bob

[seefive]

John, no clutch slip, it is not when changing gear but constantly when in gear,happens all the way through 1 to 3, slightly less in 4 but nothing in 5, put clutch in after changing and noise literally stops, until change to next gear let clutch out and its is there again .

What is DMF ?

 

Bob

 

DMF = Dual mass flywheel. Very expensive, so best get it looked at quick!!

[paul.h]

Could be a worn out clutch grinding in to the flywheel but pushing on the clutch pedal lifts it off so the noise goes, if not could be a gearbox bearing but these normally whine when worn (at least the ones I have had). Either way, it looks as if the gearbox may have to come off. If there is a removable plate at the bottom of the bell housing (flywheel lower cover plate - Haynes words) this could be removed and a look for bits of clutch/metal made.

 

Do all the C5s have a DMF or is it just the diesel ones (as suggested in Haynes) ?

 

Other easier things to discount first include worn out brake pads, a bit of grit/twig against a brake disc/backing plate (had this at the local recycling centre), rear brake caliper catching against a wheel due to corrosion of caliper/suspension arm.

[Guest womble]

Other easier things to discount first include worn out brake pads, a bit of grit/twig against a brake disc/backing plate (had this at the local recycling centre), rear brake caliper catching against a wheel due to corrosion of caliper/suspension arm.

Also add, look for damaged/broken sensor ring for ABS system situated on drive shaft/CV joint, could have broken up or adrift. Had that happen on my old Pug306 and made a right clatter underneath.