Manual Transmission T56 | T5 | MN12 | Clutches | Hydraulics | Shifters

Any Insight?

Thread Tools
 
Search this Thread
 
Old Apr 13, 2008 | 08:40 PM
  #1  
GET_SOM's Avatar
Thread Starter
TECH Regular
 
Joined: Jan 2005
Posts: 411
Likes: 0
Default Any Insight?

https://ls1tech.com/forums/showthrea...78#post9147178
Reply
Old Apr 13, 2008 | 08:41 PM
  #2  
mrhzk35404's Avatar
TECH Resident
iTrader: (7)
 
Joined: Jun 2005
Posts: 833
Likes: 0
From: coatesville, pa
Default

Check your clutch fluid. If it is black it is time to flush it and put new in.
Reply
Old Apr 13, 2008 | 09:00 PM
  #3  
GET_SOM's Avatar
Thread Starter
TECH Regular
 
Joined: Jan 2005
Posts: 411
Likes: 0
Default

Will do first thing tomorrow after I get off work. How would that only affect 3rd gear though?
Reply
Old Apr 13, 2008 | 09:06 PM
  #4  
mrhzk35404's Avatar
TECH Resident
iTrader: (7)
 
Joined: Jun 2005
Posts: 833
Likes: 0
From: coatesville, pa
Default

the fluid boils and degrades and stops working
Reply
Old Apr 13, 2008 | 09:13 PM
  #5  
GET_SOM's Avatar
Thread Starter
TECH Regular
 
Joined: Jan 2005
Posts: 411
Likes: 0
Default

That would affect one gear though? So on top of changing the fluid, I've read on CF that some guys wrap their lines to prevent this heat.. I may look into doing this as well. I don't think the lines are anywhere near my headers but I might as well wrap em as an extra precaution.
Reply
Old Apr 13, 2008 | 09:27 PM
  #6  
mrhzk35404's Avatar
TECH Resident
iTrader: (7)
 
Joined: Jun 2005
Posts: 833
Likes: 0
From: coatesville, pa
Default

It doesn't affect one gear but the use of the clutch. If the fluid is bad it loses its ability to work your clutch correctly. I just finished doing this to my car and the little bit I drove it it seems to have worked.
Reply
Old Apr 13, 2008 | 09:34 PM
  #7  
GET_SOM's Avatar
Thread Starter
TECH Regular
 
Joined: Jan 2005
Posts: 411
Likes: 0
Default

I'll give that a try and I'm going to take my shifter out tomorrow and reinstall it. If that doesn't help the problem it's kinda seeming to me like it'd be a fork? or synchro maybe? Does this sound more like a tranny problem rather than a clutch problem, or is it too early to determine?
Reply
Old Apr 13, 2008 | 09:36 PM
  #8  
GET_SOM's Avatar
Thread Starter
TECH Regular
 
Joined: Jan 2005
Posts: 411
Likes: 0
Default

BTW mrhzk35404 I appreciate your responses.
Reply
LS1 Tech Stories

The Best V8 Stories One Small Block at Time

story-0

Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

 Pouria Savadkouei
story-1

Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

 Verdad Gallardo
story-2

7 Most Reliable High-Performance Engines GM Has Ever Built

 Verdad Gallardo
story-3

Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

 Verdad Gallardo
story-4

6 Common C5 Corvette Failures and What's Involved In Repairing Them

 Pouria Savadkouei
story-5

Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

 Verdad Gallardo
story-6

Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

 Pouria Savadkouei
story-7

Top 10 Most Powerful Chevy Trucks Ever Made!

 
story-8

Hennessey's New Supercharged Silverado ZR2 Has 700 HP

 Verdad Gallardo
story-9

Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

 Verdad Gallardo
Old Apr 13, 2008 | 10:00 PM
  #9  
mrhzk35404's Avatar
TECH Resident
iTrader: (7)
 
Joined: Jun 2005
Posts: 833
Likes: 0
From: coatesville, pa
Default

No problem, This is a very common problem around here lately. Hope you figure it out
Reply
Old Apr 13, 2008 | 10:22 PM
  #10  
Pheonix's Avatar
TECH Resident
iTrader: (16)
 
Joined: Feb 2007
Posts: 802
Likes: 0
From: Baytown, Tx
Default

I'm in the same boat, changed fluid and still nothing. 20,000 on my tranny
Reply
Old Apr 13, 2008 | 11:12 PM
  #11  
chuckyt1's Avatar
11 Second Club
iTrader: (33)
 
Joined: Apr 2006
Posts: 1,008
Likes: 0
From: Chicago Area
Default

Have you had a few high rpm missed shifts going into third? Does it go into third at all or just grind a little when you shift? Did it start all at once or, did it get worse over time?

Missed shifts will wear the synchro side of the gear. You also may have bent the fork slightly. When I've seen synchros go they usually get worse as they wear. The fork would be more of instant type of thing.

Don't know if you've seen Ranger's sight about clutch fluid care but it's got some great info...

http://www.rangeracceleration.com/Clutch_Care.html
Reply
Old Apr 13, 2008 | 11:20 PM
  #12  
Pheonix's Avatar
TECH Resident
iTrader: (16)
 
Joined: Feb 2007
Posts: 802
Likes: 0
From: Baytown, Tx
Default

I had a high rpm miss shift into third, but not a serious grind i just let off of it when i missed it and let the bike fly by. the next day it would gring while going into the gear, then the next day which is today it doesnt go in at all and if it does go in it wants to spit it out until it pops in.
Reply
Old Apr 13, 2008 | 11:27 PM
  #13  
chuckyt1's Avatar
11 Second Club
iTrader: (33)
 
Joined: Apr 2006
Posts: 1,008
Likes: 0
From: Chicago Area
Default

Originally Posted by Pheonix
I had a high rpm miss shift into third, but not a serious grind i just let off of it when i missed it and let the bike fly by. the next day it would gring while going into the gear, then the next day which is today it doesnt go in at all and if it does go in it wants to spit it out until it pops in.
You are most likely going to have to get inside the tranny to find the problem. Give Amber a call at Six Speeds Inc. She is very good at over the phone tech.

Do you have a steel fork in it?
Reply
Old Apr 13, 2008 | 11:35 PM
  #14  
Pheonix's Avatar
TECH Resident
iTrader: (16)
 
Joined: Feb 2007
Posts: 802
Likes: 0
From: Baytown, Tx
Default

Originally Posted by chuckyt1
You are most likely going to have to get inside the tranny to find the problem. Give Amber a call at Six Speeds Inc. She is very good at over the phone tech.

Do you have a steel fork in it?
The tranny is completely stock. I will call Amber tomorrow and see what she tells me.

Thanks.
Reply
Old Apr 13, 2008 | 11:52 PM
  #15  
GET_SOM's Avatar
Thread Starter
TECH Regular
 
Joined: Jan 2005
Posts: 411
Likes: 0
Default

Originally Posted by chuckyt1
Have you had a few high rpm missed shifts going into third? Does it go into third at all or just grind a little when you shift? Did it start all at once or, did it get worse over time?

Missed shifts will wear the synchro side of the gear. You also may have bent the fork slightly. When I've seen synchros go they usually get worse as they wear. The fork would be more of instant type of thing.

Don't know if you've seen Ranger's sight about clutch fluid care but it's got some great info...

http://www.rangeracceleration.com/Clutch_Care.html

I had a couple missed 2-3 shifts when I first got the car, with the stock shifter; none recently. It does go into third if I jam it in, but it grinds its way in. I just noticed this today, it was fine yesterday when I took it out.

I was leaning towards it being a synchro, but due to the fact that it happened so abruptly I thought it may be a fork. I've read Ranger's info a few times over on CF, I'm gonna take the clutch care to heart from here on out.

Who knows.. maybe here in a few days I'll be giving you guys at six speed inc a call ....
Reply
Old Apr 14, 2008 | 10:09 PM
  #16  
GET_SOM's Avatar
Thread Starter
TECH Regular
 
Joined: Jan 2005
Posts: 411
Likes: 0
Default

Changed my clutch fluid, it was almost solid black! Anyways, the clutch feels a lot better now, third gear is still a no-go. Synchros it is... how much is this gonna cost me if I take it to a dealer?
Reply
Old Apr 14, 2008 | 10:31 PM
  #17  
Pheonix's Avatar
TECH Resident
iTrader: (16)
 
Joined: Feb 2007
Posts: 802
Likes: 0
From: Baytown, Tx
Default

Damn i know how you feel. I am thinking of attempting this myself.
Reply
Old Apr 14, 2008 | 10:38 PM
  #18  
chuckyt1's Avatar
11 Second Club
iTrader: (33)
 
Joined: Apr 2006
Posts: 1,008
Likes: 0
From: Chicago Area
Default

Originally Posted by GET_SOM
Changed my clutch fluid, it was almost solid black! Anyways, the clutch feels a lot better now, third gear is still a no-go. Synchros it is... how much is this gonna cost me if I take it to a dealer?
Call Amber. Six Speeds has free shipping right now. If you take it to a dealer, you're going to get paper backer rings. Now would be a good time to upgrade them to carbon.

Last edited by chuckyt1; Apr 14, 2008 at 10:52 PM.
Reply
Old Apr 14, 2008 | 11:06 PM
  #19  
GET_SOM's Avatar
Thread Starter
TECH Regular
 
Joined: Jan 2005
Posts: 411
Likes: 0
Default

I'll give amber a call tomorrow. What all am I gonna need to replace and ne ballpark figure on cost. Secondly, would it be worth it to beef up anything while I'm at it? ..or take it to a performance shop?
Reply
Old Apr 14, 2008 | 11:30 PM
  #20  
chuckyt1's Avatar
11 Second Club
iTrader: (33)
 
Joined: Apr 2006
Posts: 1,008
Likes: 0
From: Chicago Area
Default

If I remember correctly, you have a pretty low mileage trans. The more you grind it though, the more damge you will do. As far as beefing it up... Yes, I would. As long as you're in there, might as well. If you are in CA, Amber might know someone out there that can help you out. Otherwise, pull it and ship it to Texas. The stage one package, that comes with manny upgrades is $950. Not too bad considering... Give her a call, she will help you out whether you use them or not.
Reply




All times are GMT -5. The time now is 06:58 AM.

story-0
Topdon ONE vs. Artidiag 800 BT2: Which is the Diagnostic Tablet For You?

Slideshow: We take a close look at the ONE and Artidiag 800BT2 diagnostic tools from Topdon and the reasons to buy one over the other.

By Pouria Savadkouei | 2026-05-28 11:05:11


VIEW MORE
story-1
Gas Monkey Built a 6-Wheel Ferrari Testarossa With a Corvette LT4 Engine

Slideshow: The controversial Ferrari F6 swaps its original flat-12 for a Corvette Z06-derived LT4 V8 and sends power to four rear wheels through a custom-built drivetrain.

By Verdad Gallardo | 2026-05-26 18:23:54


VIEW MORE
story-2
7 Most Reliable High-Performance Engines GM Has Ever Built

Slideshow:These GM engines didn't just make huge power, they survived abuse, boost, track days, and six-digit mileage with a reputation for refusing to quit.

By Verdad Gallardo | 2026-05-21 16:45:27


VIEW MORE
story-3
Amazing '71 Camaro Restomod Is Modern Muscle Car Under the Skin

Slideshow: This heavily modified 1971 Camaro mixes classic muscle car styling with a fifth-generation Camaro interior and modern LS3 power.

By Verdad Gallardo | 2026-05-12 18:06:42


VIEW MORE
story-4
6 Common C5 Corvette Failures and What's Involved In Repairing Them

Slideshow: From wobbling harmonic balancers to failed EBCMs, these are the issues that define long-term C5 ownership and what repairs typically involve.

By Pouria Savadkouei | 2026-05-07 18:44:57


VIEW MORE
story-5
Retro Modern Bandit Pontiac Trans AM Comes With Burt Reynolds' Autograph

Slideshow: A modern Camaro transformed into a retro icon, this limited-run "Bandit" build blends nostalgia with brute force in a way few revivals manage.

By Verdad Gallardo | 2026-04-21 13:57:02


VIEW MORE
story-6
Top 10 Greatest Cadillac V Series Performance Models Ever, Ranked

Slideshow: Cadillac didn't just crash the high-performance luxury vehicle party, it showed up loud, supercharged, and occasionally a little unhinged...

By Pouria Savadkouei | 2026-04-16 10:05:15


VIEW MORE
story-7
Top 10 Most Powerful Chevy Trucks Ever Made!

Slideshow: Top ten most powerful Chevy trucks ever made

By | 2026-03-25 09:22:26


VIEW MORE
story-8
Hennessey's New Supercharged Silverado ZR2 Has 700 HP

Slideshow: Hennessey has turned the Silverado ZR2 into a 700-hp off-road monster with supercharged V8 power and a limited production run.

By Verdad Gallardo | 2026-03-24 18:57:52


VIEW MORE
story-9
Coachbuilt N2A Anteros Is an LS2-Powered C6 Corvette In Italian Clothes

Slideshow: A one-off sports car that looks like a vintage Italian exotic-but hides a C6 Corvette underneath-just sold for the price of a new mid-engine Corvette.

By Verdad Gallardo | 2026-03-23 18:53:41


VIEW MORE