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Jul 21st, 2025 | | | | Joined: Feb 2011 Posts: 583 'Bolter | | 'Bolter Joined: Feb 2011 Posts: 583 | 1939 Chevy JD truck, 216, 3 speed transmission. I get clutch chatter in first gear sometimes when taking off, engine warm. Never in 2nd or 3rd. New clutch and pressure plate. Champ made an anti clutch chatter kit back in the day. Do any of you folks have input on this issue? The rear motor mounts have been replaced.
Rick
1939 Chevrolet Stake Truck
| | | | | Joined: Aug 2013 Posts: 292 'Bolter | | 'Bolter Joined: Aug 2013 Posts: 292 | I just replaced the front motor mount on mine hoping that will correct the 1st gear chatter and vibrations I was getting. | | | | | Joined: Jan 2019 Posts: 2,249 Herder of Cats, Goats, and Sheep (moderator) | | Herder of Cats, Goats, and Sheep (moderator) Joined: Jan 2019 Posts: 2,249 | I just replaced the front motor mount on mine hoping that will correct the 1st gear chatter and vibrations I was getting. Did it work? Or do you know yet? | | | | | Joined: Aug 2013 Posts: 292 'Bolter | | 'Bolter Joined: Aug 2013 Posts: 292 | Just finishing up with all the winter repairs, I'll let you know. | | | | | Joined: Jul 2008 Posts: 181 'Bolter | | 'Bolter Joined: Jul 2008 Posts: 181 | Adjusting the free travel on the clutch pedal fixed my 52 1/2 ton. | | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | Did you have the flywheel refaced during the clutch replacement job?
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Feb 2011 Posts: 583 'Bolter | | 'Bolter Joined: Feb 2011 Posts: 583 | No Jerry I did not. I believe that may very well be my problem. Would I need to have both the flywheel and pressure plate refaced?
Rick
1939 Chevrolet Stake Truck
| | | | | Joined: Feb 2004 Posts: 28,674 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 28,674 | If you only changed the clutch disc, you only did one third of the job. I always buy a rebuilt clutch and pressure plate, change the throwout bearing and the pilot bushing, and get the flywheel resurfaced. "Buy once- - - -cry once!"
Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!
| | | | | Joined: Feb 2016 Posts: 1,841 'Bolter | | 'Bolter Joined: Feb 2016 Posts: 1,841 | I did what HRL suggests, new clutch disk, pressure plate, pilot, throwout and refaced the flyweel, smooth as silk for the last 4-5 years.
1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy
| | | | | Joined: Feb 2011 Posts: 583 'Bolter | | 'Bolter Joined: Feb 2011 Posts: 583 | I replaced everything, but I didn't have the flywheel resurfaced.
Rick
1939 Chevrolet Stake Truck
| | | | | Joined: Jan 2023 Posts: 35 'Bolter | | 'Bolter Joined: Jan 2023 Posts: 35 | but I didn't have the flywheel resurfaced Might not be good news, sorry. but lIke has already been noted, that is most likely the cause. You need that flywheel surface as flat as possible for the clutch disk to grab properly and/or have any longevity. The more it slips(chatters) the more hot spots will be created.
Last edited by ascwrangler1; 04/21/2023 4:58 PM. Reason: spelling
1958 3100 Fleetside w/235 4spd
| | | | | Joined: Feb 2011 Posts: 583 'Bolter | | 'Bolter Joined: Feb 2011 Posts: 583 | When I take care of the flywheel, would I need to replace the pressure plate and clutch. About 1,000 miles on these items now and almost all of it highway driving.
Rick
1939 Chevrolet Stake Truck
| | | | | Joined: Jan 2023 Posts: 35 'Bolter | | 'Bolter Joined: Jan 2023 Posts: 35 | When I take care of the flywheel, would I need to replace the pressure plate and clutch. About 1,000 miles on these items now and almost all of it highway driving.
Rick I wouldn't. Look for any grease/oil and clean off of all surfaces and adjust it proper as you go back.
1958 3100 Fleetside w/235 4spd
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