Author Topic: noise in the bellhousing???  (Read 4304 times)

erickmarciano

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noise in the bellhousing???
« on: September 27, 2004, 15:34:50 »
Hi
got a noise in the clutch area when i shift  , like a clunck. when the car was on the lift we heard it inside the bellhousing ,are the springs on the  clutch plate bad or can it be the presure plate ? a already have a spare new clutch plate but did not buy the presure plate , do you think i can get away in only chainging the clutch?
thanks
Erick marciano

1971 280sl
1962 VW
1954 Allstate vespa
1958 gs150 vespa
1962 gs160 vespa
1994 E500 W124
1971 280sl
1989 Porsche 930 coupe
1988 e30 m3
2001 ducati mh900
2006 ps1000
1962 Vespa GS160

Malc

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Re: noise in the bellhousing???
« Reply #1 on: September 28, 2004, 10:33:48 »
Erick,
When replacing a clutch assembly you really should replace not only the plate but the pressure plate and release bearing. It's a false economy to only replace one item unless you have had an early failure of a new component.
There should be very little difference in labour costs to replace just one item and all the items, considering what has to be done.

As to the noise it could be several things unfortunately so the only way to find out is to get in there and investigate
Malc

PS I would also check that there is not a load of "Lash" in the gearbox input shaft and that the input shaft bearing is ok, and if there is one, the one in the flywheel (somebody here will know)
« Last Edit: September 28, 2004, 10:36:17 by Malc »

Benz Dr.

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Re: noise in the bellhousing???
« Reply #2 on: September 28, 2004, 20:47:51 »
There is a pilot shaft bearing in the back of the crank but it only turns when the clutch pedal is pushed in. Not very likely that would be the problem.
I've seen where the flex disc can make a clunking noise or if the clutch disc goes bad. The springs can break which will cause it to rattle or clunk. The pressure plate is a diaphram type and so it doesn't have springs like the earlier type. Look at the flywheel which may show burned spots or cracks. The flywheel can be ground to a certain minimum distance - don't go below that amount.

 Never machine a flywheel - only grind it. You only have 1mm of removable material before it's a door stopper and turning on a lathe will remove more than you want due to hard spots. You can grind right through hard areas a cutter would just bounce over.

Daniel G Caron
1966 230SL 5 speed, LSD, header pipes, 300SE distributor, ported, polished and balanced, AKA  ''The Red Rocket ''
Dan Caron's SL Barn

1970  3.5 Coupe
1961  190SL
1985   300CD  Turbo Coupe
1981  300SD
2013  GMC  Sierra
1965  230SL
1967 250SL
1970 280SL
1988 560SEC

erickmarciano

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Re: noise in the bellhousing???
« Reply #3 on: September 29, 2004, 07:14:36 »
I just noticed that the clutch arm is missing the spring , can this cause it?
I know one part of the spring goes on the arm where does the other one go?
thanks


1971 280sl
1962 VW
1954 Allstate vespa
1958 gs150 vespa
1962 gs160 vespa
1994 E500 W124
1971 280sl
1989 Porsche 930 coupe
1988 e30 m3
2001 ducati mh900
2006 ps1000
1962 Vespa GS160

A Dalton

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Re: noise in the bellhousing???
« Reply #4 on: September 29, 2004, 10:17:12 »
The other end goes on a tab w/hole on the front of the slave casing....

erickmarciano

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Re: noise in the bellhousing???
« Reply #5 on: September 30, 2004, 08:52:34 »
went to the mercedes sealer and I was told my car does not have the spring in the clutch arm it isd a late 280 sl , can someone verefy this for me?
thanks Erick

1971 280sl
1962 VW
1954 Allstate vespa
1958 gs150 vespa
1962 gs160 vespa
1994 E500 W124
1971 280sl
1989 Porsche 930 coupe
1988 e30 m3
2001 ducati mh900
2006 ps1000
1962 Vespa GS160

Benz Dr.

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Re: noise in the bellhousing???
« Reply #6 on: September 30, 2004, 09:04:10 »
Quit playing around and get it fixed. Do you really think some little spring is going to cause all that clunking and noise?
 
You need a new clutch plate at the least.
 Very small possiblity it could be a loose flywheel. Start the engine and then turn it off. Just as it's about to stop you have to turn the key back on. You may have to try this a few times to get it right but there will be a noticable clunk as the engine stops but the flywheel keeps turning. Starting the engine just as it's stopping will make it clunk if it's loose.

At any rate, you still need to remove the trans to fix this. If it's loose you better replace all thre screws that hold it on. If it's not loose and you don't grind the flywheel you should check them and make sure they are tight.

Daniel G Caron
1966 230SL 5 speed, LSD, header pipes, 300SE distributor, ported, polished and balanced, AKA  ''The Red Rocket ''
Dan Caron's SL Barn

1970  3.5 Coupe
1961  190SL
1985   300CD  Turbo Coupe
1981  300SD
2013  GMC  Sierra
1965  230SL
1967 250SL
1970 280SL
1988 560SEC

A Dalton

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Re: noise in the bellhousing???
« Reply #7 on: September 30, 2004, 22:51:35 »
I would check the sub frame guide rod to frame bushing for play..
 Worth a look see........