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| | | | Joined: Dec 2020 Posts: 14 'Bolter | | 'Bolter Joined: Dec 2020 Posts: 14 | 1950 3600. Got the truck back from having all new brake lines put on. First time I've been able to drive the truck at any speed and definitely first time in fourth gear. When it got there, the clutch started slipping. Bad. I wasn't going to dog it but I didn't feel any slipping in gears 1-3. Any suggestions. Place to start? Cheers!
Ben
Last edited by WardSaysNo30; 01/24/2021 9:02 PM.
| | | | | Joined: Feb 2019 Posts: 4,483 AD Addict & Tinkerer | | AD Addict & Tinkerer Joined: Feb 2019 Posts: 4,483 | I assume this is a 1950 3600? Do you have any free play in the clutch pedal? You should have 3/4” to 1” free travel before the clutch starts to disengage.
Last edited by Phak1; 01/23/2021 2:32 PM.
Phil Moderator, The Engine Shop, Interiors and Project Journals1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc BrakesProject JournalsStovebolt Gallery Forum | | | | | Joined: Jun 2011 Posts: 5,096 Crusing in the Passing Lane | | Crusing in the Passing Lane Joined: Jun 2011 Posts: 5,096 | If you do have free play in the clutch pedal, then you need a new clutch, if not, adjust it properly. Clutches always start slipping in higher gears since more torque is required in a higher gear.
Easy to do.
Ed
'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
| | | | | Joined: Dec 2020 Posts: 14 'Bolter | | 'Bolter Joined: Dec 2020 Posts: 14 | The clutch pedal itself is very mushy. Is that typical? | | | | | Joined: Feb 2019 Posts: 4,483 AD Addict & Tinkerer | | AD Addict & Tinkerer Joined: Feb 2019 Posts: 4,483 | The clutch pedal in my 3100 is not hard to push but I would not say mushy. You didn’t answer my question. Do you have free play in the pedal? That must be answered before we can go further.
Last edited by Phak1; 01/24/2021 1:29 AM.
Phil Moderator, The Engine Shop, Interiors and Project Journals1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc BrakesProject JournalsStovebolt Gallery Forum | | | | | Joined: Mar 2010 Posts: 10,281 Renaissance Man | | Renaissance Man Joined: Mar 2010 Posts: 10,281 | Test for free play with your thumb. Your foot can't detect it very accurately.
1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission
| | | | | Joined: Dec 2020 Posts: 14 'Bolter | | 'Bolter Joined: Dec 2020 Posts: 14 | My fault. 1950 3600. I’ll have to check for true free play. Truck is at my dads garage. I’ll check tomorrow and report back. | | |
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