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Joined: Jul 2004
Posts: 46
D
Junior Member
Junior Member
D Offline
Joined: Jul 2004
Posts: 46
IM not sure what tranny i have i forgot now but it is a 4 speed floor shift. When i shift to any gear i think i have to put the clutch in and let the rpms drop alot in order to not have the grinding noise, even then it still does it a bit. What does this mean. Syncros bad?

Joined: Jul 2003
Posts: 586
5
Shop Shark
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Joined: Jul 2003
Posts: 586
Hopefully it's something as simple as clutch pedal travel. Cecil.........

Joined: Feb 2002
Posts: 12,029
F
Cruising in the Passing Lane
Cruising in the Passing Lane
F Offline
Joined: Feb 2002
Posts: 12,029
yeah, could be you need a clutch adjust, but could be worn syncros - try proper double clutching!

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics
Joined: Jun 2004
Posts: 8,597
W
Riding in the Passing Lane
Riding in the Passing Lane
W Offline
Joined: Jun 2004
Posts: 8,597
What year truck? Early 47 on back had no syncros.


They say money can't buy happiness. It can buy old Chevy trucks though. Same thing.
1972 Chevy c10 Cheyenne Super
In the Gallery Forum
Joined: Jul 2004
Posts: 46
D
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Joined: Jul 2004
Posts: 46
Well I know i need a new clutch and it is quite possible that the clutch isnt adjusted correctly. What do you consider proper double clutching?

Joined: Mar 2005
Posts: 49
G
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G Offline
Joined: Mar 2005
Posts: 49
Assuming you're pre '47 and the cluth adjustment is fine, you have to double clutch the non syncro trans. Run the engine to a moderate RPM, shift to neutral, let the clutch out while the RPM slows down, depress the clutch and ease into the next gear. Coming down takes a little more practice. While in neutral during the double clutch, slightly rev the engine, depress the clutch and drop into the lower gear while the engine is winding down. The trick is matching the engine RPM to the trans. Keep practicing and put a qt of Lucas in that trans.

Joined: Jul 2004
Posts: 46
D
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Joined: Jul 2004
Posts: 46
nope i have a '64 C10. So it has syncros. I do know for a fact that i need a new clutch. The grinding has gotten worse recently. Do you have to adjust the clutch once in a while? I never have but i dont drive the truck much.

Joined: Feb 2002
Posts: 12,029
F
Cruising in the Passing Lane
Cruising in the Passing Lane
F Offline
Joined: Feb 2002
Posts: 12,029
yes, you need to adjust the clutch as the disk wears and maybe the springs weaken - prolly solve yer problem

Bill


Moved over to the Passing Lane

"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir
"When we tug a single thing on an old truck, we find it falls off" ~ me
Some TF series details & TF heater pics
Joined: Aug 2003
Posts: 31
5
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Joined: Aug 2003
Posts: 31
If the clutch adjustment doesn't clear it up the problem could be with a contaminated clutch with oil or grease on the disk. This makes the clutch disk swell and not fully release. Clutches don't last forever, you may have to bite the bullet and replace the clutch assembly. Before you do anything drastic, check the trans fluid level. If the fluid is too low the synchros don't work as well and you get gear clash. Hope it's an easy fix for you.


I feel like I'm diagonally parked in a parallel universe.

Moderated by  Phak1, Woogeroo 

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