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C30 / S40 & V50 '04-'12 / C70 '06-'13 General Forum for the P1-platform C30 / S40 / V50 / C70 models |
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idle noise in neutral after clutch and dmf change.Views : 802 Replies : 4Users Viewing This Thread : |
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Oct 15th, 2019, 19:14 | #1 |
Senior Member
Last Online: Jan 15th, 2024 15:32
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Location: london
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idle noise in neutral after clutch and dmf change.
volvo c30. 2l petrol. manual.
just had a new clutch and dmf. Volvo parts. garage fitted. full kit with new slave and release bearing. Car now has a tuka-tuka-tuka noise when idleing in neutral. there were zero indication of any gearbox issues before the change. work was straight forward according to garage. full gearbox oil change during work and topped up and bled brake fluid. The noise goes away entirely when pressing the clutch pedal. I think I can hear it when driving in gear also... Reading online this indicates input shaft bearing on the gearbox... This just can't be a coincidence. I feel that something must have happened during the work. If the gearbox wasnt properly supported and hang off the input shaft briefly, this could damage the input shaft bearing. Does anyone else know anything else this could be, perhaps mis aligned pressure plate so clutch fingers are undeven and catching/rubbing? goes away when pressing clutch in? Is there anything during install set up that could be missaligned that could cause thiS? surely too much of a conincidence if it is a transmission bearing straight after clutch replacement?? advice would be great, cheers |
Nov 5th, 2019, 09:36 | #2 |
Junior Member
Last Online: May 17th, 2020 09:05
Join Date: May 2007
Location: Viborg Denmark
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Hello
I think it is so called gearbox clatter. It often starts when a well used gearbox is filled with new thin oil. A 75w gearbox oil is the same as a 30w engine oil. Do not worry about it, you can however try to use a thicker gear oil, but DO NOT use a GL5 gear oil. |
Nov 5th, 2019, 12:19 | #3 |
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Last Online: Mar 14th, 2024 16:24
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Yep, sadly that does sound like the input shaft bearing to me.
I have the same issue, only I've not split my box apart yet.
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2006 Volvo S40 T5 SE Sport
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Nov 5th, 2019, 19:52 | #4 |
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Last Online: Jan 15th, 2024 15:32
Join Date: Jul 2019
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the plot thickens... the noise isn't getting worse, but sometimes, clutching in, doesn't stop the noise. In this scenario the input shaft wont be spinning... I now suspect the pressure plate and/or clutch and release bearing. I think the noise is the diaphram fingers and or the release bearing being off. It could have been over torqued during install or just plain faulty... but this would explain the noise. Trouble is it will cost me so much in labour to co firm my theory, not to mention a parts warranty claim, where volvo will stay install error... just gonna have to live with it...
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Jul 28th, 2020, 09:30 | #5 |
Master Member
Last Online: Mar 14th, 2024 16:24
Join Date: Apr 2017
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Bit of a thread bump but did you ever find out what was causing this?
I've still got to split my box apart to sort this
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2006 Volvo S40 T5 SE Sport
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