02 z06 trans problems
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I took it apart today. The shiftbox is firmly attached. It has a BPP(breathless performance) shifter in it. When I try to move it side to side, it just pushes the shifter up instead of rotating the shaft like it supposed to. So I could assume its the shifter, but I dont understand why it smoothly pushes up in 3rd but will not budge back into 4th.. I have a buddy bringing a stock shifter tomorrow to see if it helps.
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From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
I took it apart today. The shiftbox is firmly attached. It has a BPP(breathless performance) shifter in it. When I try to move it side to side, it just pushes the shifter up instead of rotating the shaft like it supposed to. So I could assume its the shifter, but I dont understand why it smoothly pushes up in 3rd but will not budge back into 4th.. I have a buddy bringing a stock shifter tomorrow to see if it helps.
You need a new upper shift plate. You will be fine with the stock shift plate.. Make SURE that you have the correct length upper shift plate screws!!!!!!!!!!
Not too LONG and NOT too SHORT
Bill
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From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
Yours should look JUST LIKE THIS!!!!!! This is from my 02 Z
NOTE!!! The steel shift box bushings are a C5 ZO6 ONLY PART and they are NO LONGER AVAILABLE!
All other C5s have a RUBBER bushing that can deteriorate and have an adverse effect on shift quality!
NOTE!!! The steel shift box bushings are a C5 ZO6 ONLY PART and they are NO LONGER AVAILABLE!
All other C5s have a RUBBER bushing that can deteriorate and have an adverse effect on shift quality!
Last edited by Bill Curlee; Nov 2, 2012 at 11:52 PM.
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Mine dont have the linup pin like that. Just an empty hole. And I dont think it has a metal bushing. The Plate itself dont actually move, just the handle part. When you shift from side to side the whole "handle" comes up in the shift housing itself. I will take a picture of what mine looks like.
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The car is off. I dont think it could be the clutch. Clean and full of fluid, no leaks.
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From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
Mine dont have the linup pin like that. Just an empty hole. And I dont think it has a metal bushing. The Plate itself dont actually move, just the handle part. When you shift from side to side the whole "handle" comes up in the shift housing itself. I will take a picture of what mine looks like.
The ONLY reason that GM installed the rubber bushings was to reduce drivetrain noise into the cabin.
Replacing the damaged shifter with stock will easily get you back on the road. I just hope that the damaged shifter didn't cause any transmission synchro damage. It shouldn't have but I cant tell if you were forcing the tranny into gear with excessive force.
Hope the shifter is all you need.
You can use a DRILL BIT to insert into that hole to get the NETURAL GATE / Shift handle lined up straight.
Oh,, change out your trans fluid for some good synthetic ATF and it will greatly improve the trans shift feel!
Bill
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I never forced any shifts. Ive used more force getting it out of gears than in. Ive been messing with it while the car is off. I used an allen wrench to line it up while I was messing with it, but it still didnt change anything.
Also I dont know if I stated or not, but when the shifter comes "up" on the side to side motion, the shaft going to the trans doesnt rotate. So thats how I know its not even trying to go in 1st, 2nd, 5th, 6th, reverse.. But I dont understand why it goes straight into 3rd like butter, but not back into 4th. Ill have the shifter aroung 4pm today to narrow down my problems.
Also I dont know if I stated or not, but when the shifter comes "up" on the side to side motion, the shaft going to the trans doesnt rotate. So thats how I know its not even trying to go in 1st, 2nd, 5th, 6th, reverse.. But I dont understand why it goes straight into 3rd like butter, but not back into 4th. Ill have the shifter aroung 4pm today to narrow down my problems.
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Tech Contributor
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From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
I never forced any shifts. Ive used more force getting it out of gears than in. Ive been messing with it while the car is off. I used an allen wrench to line it up while I was messing with it, but it still didnt change anything.
Also I dont know if I stated or not, but when the shifter comes "up" on the side to side motion, the shaft going to the trans doesnt rotate. So thats how I know its not even trying to go in 1st, 2nd, 5th, 6th, reverse.. But I dont understand why it goes straight into 3rd like butter, but not back into 4th. Ill have the shifter aroung 4pm today to narrow down my problems.
Also I dont know if I stated or not, but when the shifter comes "up" on the side to side motion, the shaft going to the trans doesnt rotate. So thats how I know its not even trying to go in 1st, 2nd, 5th, 6th, reverse.. But I dont understand why it goes straight into 3rd like butter, but not back into 4th. Ill have the shifter aroung 4pm today to narrow down my problems.
Bill
I've got an A4 but I want to see what the end results are here!
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From: Montgomery Texas
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From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
We talked and discussed the shift box. It sounds like his box has the correct mounting bushings and the yoke inside the box will rotate side to side properly.
When the shifter is in the 3rd, 4th shift gate, the shift rod will NOT move forward to allow it to go into the 4th gear.
He is going to install the OEM shifter and see if that corrects the issue. Keep your fingers crossed.
I had a brain storm. If the shift rod will not move forward,, you MIGHT have an issue with the cap on the front part of the shift box.. That part will come off and you can see if that frees up the shift rod so it can properly move forward.
Give that a look see if the stock shifter doesn't fix the problem.
Bill
When the shifter is in the 3rd, 4th shift gate, the shift rod will NOT move forward to allow it to go into the 4th gear.
He is going to install the OEM shifter and see if that corrects the issue. Keep your fingers crossed.
I had a brain storm. If the shift rod will not move forward,, you MIGHT have an issue with the cap on the front part of the shift box.. That part will come off and you can see if that frees up the shift rod so it can properly move forward.
Give that a look see if the stock shifter doesn't fix the problem.
Bill
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Was not the shifter.. Even with the stock shifter in, it will not go any any gears normal besides 3rd. Goes in 3rd like butter. It will also go in 2nd and 6th with work and even more work to get it back out. But 1st, 4th, 5th, and reverse is not happening.. Im still having a hard time believing its internal tho. One day its fine and the next day its grinding, and the next day its immobile.. lol Ive always had trannys go out over time, not just DIE.
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From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
Well,, The ONLY thing between the shifter is the shift box to shift rod coupler, the shift rod its self, the shift rod to transmission link/coupler and the small shift rod that protrudes from the transmission. EVERYTHING ELSE,, is internal.
Here is a few pictures and a link the shows you what is inside your transmission.
This is actually my MN12 that George at Richmond Gear converter to a Transzilla MN12 T-60-60:
Heres a link to what is inside your trans:
- C5 ragtopws6, T-56 Build (whats in my tranny?) : http://forums.corvetteforum.com/nort...-smoother.html
Here is a few pictures and a link the shows you what is inside your transmission.
This is actually my MN12 that George at Richmond Gear converter to a Transzilla MN12 T-60-60:
Heres a link to what is inside your trans:
- C5 ragtopws6, T-56 Build (whats in my tranny?) : http://forums.corvetteforum.com/nort...-smoother.html
Last edited by Bill Curlee; Nov 4, 2012 at 04:20 PM.
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Sorry I havent updated. I havent gotten parts in yet for the rebuild, so I havent posted a resolution. The bushing on the shaft that comes out of the shift box seems to be worn. I realigned everything and tightened the torx screws down way beyond the 22ft lbs.. And Im back to having all my gears exept for 4th. And 3rd still grinds. It still wont even budge towards 4th tho. Ive ordered a rebuild kit from tick performance and waiting on it to ship. I will update after the rebuild.
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I have slave cylinder shims en route from Tick. I'll be tearing into mine this weekend to check the gap between the throwout bearing and the pressure plate. This is what everybody is telling me is the cause of my almost identical problem--i.e. that the gap is too large, and so even at full extension, the slave cylinder can't fully disengage the clutch.