c6 questions
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Freshman User
Joined: Feb 2012
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From: Neillsville, WI
c6 questions
Hey guys, I've slowly been working my c6 rebuild, I got the tranny mounted on the engine, everythings hooked up but the tranny won't engage any gear besides park obviously..
I checked the fluid level and now its half way up the dip stick, I added about 9 or 10 quarts when I installed the tranny.
This weekend I'm going to drop the pan and check the manual shift arm is engaged to the valve body.
Will too much fluid cause it not to shift into any gear? Or do I have a problem with the pump?
I torqued the band to 10 ft lbs and backed off 1 1/ 2 turns as per the rebuild manual
I checked the fluid level and now its half way up the dip stick, I added about 9 or 10 quarts when I installed the tranny.
This weekend I'm going to drop the pan and check the manual shift arm is engaged to the valve body.
Will too much fluid cause it not to shift into any gear? Or do I have a problem with the pump?
I torqued the band to 10 ft lbs and backed off 1 1/ 2 turns as per the rebuild manual
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From: Northeast, OK
Hey guys, I've slowly been working my c6 rebuild, I got the tranny mounted on the engine, everythings hooked up but the tranny won't engage any gear besides park obviously..
I checked the fluid level and now its half way up the dip stick, I added about 9 or 10 quarts when I installed the tranny.
This weekend I'm going to drop the pan and check the manual shift arm is engaged to the valve body.
Will too much fluid cause it not to shift into any gear? Or do I have a problem with the pump?
I torqued the band to 10 ft lbs and backed off 1 1/ 2 turns as per the rebuild manual
I checked the fluid level and now its half way up the dip stick, I added about 9 or 10 quarts when I installed the tranny.
This weekend I'm going to drop the pan and check the manual shift arm is engaged to the valve body.
Will too much fluid cause it not to shift into any gear? Or do I have a problem with the pump?
I torqued the band to 10 ft lbs and backed off 1 1/ 2 turns as per the rebuild manual
But, not having the linkage connected internally will do that, obviously.
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Freshman User
Joined: Feb 2012
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From: Neillsville, WI
Well I didn't have too much time to work on the truck this weekend, weather was terrible and was dealing with a flooded basement.
I did pull a tranny line and started the truck and no fluid came out.
Next weekend, weather permitting, I'm going to pull the pan and check it out. If everything checks out there, were going to pull the tranny again and check everything.
I yelled at my father in law for what I'm pretty sure the problen is. When we installed the transmission he insisted we didn't need to install the tc on the tranny and just leave it bolted to the flex plate..well 3 hours later when we tried to start it, it was locked up. So we backed the transmission off, and got the engine to spin then pushed the transmission back on and tightened it up..we didn't force any bolts it wjent together smooth. But now we have no fluid flowing.
So the plan is to take it apart and put it together with the tc on the tranny, like how I said from the beginning haha oh well, gotta go with what the inlaws say..
I did pull a tranny line and started the truck and no fluid came out.
Next weekend, weather permitting, I'm going to pull the pan and check it out. If everything checks out there, were going to pull the tranny again and check everything.
I yelled at my father in law for what I'm pretty sure the problen is. When we installed the transmission he insisted we didn't need to install the tc on the tranny and just leave it bolted to the flex plate..well 3 hours later when we tried to start it, it was locked up. So we backed the transmission off, and got the engine to spin then pushed the transmission back on and tightened it up..we didn't force any bolts it wjent together smooth. But now we have no fluid flowing.
So the plan is to take it apart and put it together with the tc on the tranny, like how I said from the beginning haha oh well, gotta go with what the inlaws say..
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Joined: Jan 2012
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From: Dallas, GA
What's the fluid level in your tranny now? You are worried that it is too high but I'm thinking it may be too low.
I just dropped the pan, VB and other things on my C6 this weekend. The total capacity of that thing is close to 12 quarts. I originally put about 5 in, started it to get it pumping around and filling the TC. When I got to about 10, I put it in gear and cycled it through all the gears.
At first, it went in gear but then it would not. When you put it in gear it continues to pump more fluid around and got low again. At that point it was still about 2 quarts low.
I put the last 2 in and it went in gear and drove around fine. In the end, I ended up putting 12 quarts in and it is right at the top of the band.
Try putting some more in before you drop the pan...or pull the tranny.
And yes, you should put the TC on the input shaft when installing. Slide it all the way back toward the pump as far as it will go. Then bolt the tranny up. You should then be able to slide the TC forward and engage it with the flex plate.
I just dropped the pan, VB and other things on my C6 this weekend. The total capacity of that thing is close to 12 quarts. I originally put about 5 in, started it to get it pumping around and filling the TC. When I got to about 10, I put it in gear and cycled it through all the gears.
At first, it went in gear but then it would not. When you put it in gear it continues to pump more fluid around and got low again. At that point it was still about 2 quarts low.
I put the last 2 in and it went in gear and drove around fine. In the end, I ended up putting 12 quarts in and it is right at the top of the band.
Try putting some more in before you drop the pan...or pull the tranny.
And yes, you should put the TC on the input shaft when installing. Slide it all the way back toward the pump as far as it will go. Then bolt the tranny up. You should then be able to slide the TC forward and engage it with the flex plate.
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From: Dallas, GA
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When you are installing the torque converter onto the transmission there are two splined shafts, & the pump - all must be engaged.
So as you fit it (rotating to engage each) you should have felt 3x definite 'bumps'; sometimes it can take a bit of playing to get these - but usually it's no problem.
The pump is the last to engage, but unfortunately if it hasn't, it is likely to have suffered damage on start up.
So as you fit it (rotating to engage each) you should have felt 3x definite 'bumps'; sometimes it can take a bit of playing to get these - but usually it's no problem.
The pump is the last to engage, but unfortunately if it hasn't, it is likely to have suffered damage on start up.
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When you are installing the torque converter onto the transmission there are two splined shafts, & the pump - all must be engaged.
So as you fit it (rotating to engage each) you should have felt 3 definite 'bumps'; sometimes it can take a bit of playing to get these - but usually it's no problem.
The pump is the last to engage, but unfortunately if it hasn't, it is likely to have suffered damage on start up.
So as you fit it (rotating to engage each) you should have felt 3 definite 'bumps'; sometimes it can take a bit of playing to get these - but usually it's no problem.
The pump is the last to engage, but unfortunately if it hasn't, it is likely to have suffered damage on start up.
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Freshman User
Joined: Feb 2012
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From: Neillsville, WI
I added 10 quarts of fluid when i first added fluid. I just checked the level and it's still very high.
I assumed I would of damaged something too when we put it together. But we never really put a lot of torque to get the bolts to go in. We didnt force it in at all.
What would be damaged on the pump? I guess I will find out next weekend when I pull it off.
I assumed I would of damaged something too when we put it together. But we never really put a lot of torque to get the bolts to go in. We didnt force it in at all.
What would be damaged on the pump? I guess I will find out next weekend when I pull it off.
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Joined: Jan 2012
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From: Dallas, GA
my guess is, and only a guess, is that if 10 quarts is in and still very high....then it may not be getting pumped around and filling everything the way it should. Combined with you stating you're not getting any pressure out of the cooling lines, points toward something not working properly.
There are taps on the side of the tranmission that allow you to put a pressure gage for testing. Not sure if you have any gages that can be installed...but would be a good way to see if you have any pressure at all.
I'm assuming you drained the TC when you rebuilt the tranny?
There are taps on the side of the tranmission that allow you to put a pressure gage for testing. Not sure if you have any gages that can be installed...but would be a good way to see if you have any pressure at all.
I'm assuming you drained the TC when you rebuilt the tranny?
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From: Denver Metro Area, CO
This is what I would want to do, it sounds to me like something isn't working right.
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Freshman User
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From: Neillsville, WI
I agree with you all. Next weekend we're taking it back off the truck and putting the TC on the transmission then re-installing.
Is it possible that when we bolted up the transmission the TC never hit the pump splines? Just curious.
Is it possible that when we bolted up the transmission the TC never hit the pump splines? Just curious.
Posting Guru
Joined: Jan 2012
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From: Dallas, GA
I think that's possible yes. And if the pump wasn't pumping, I hope it didn't cook something inside