722.6 Transmission
722.6 Transmission
Good evening Folks,
Hope this is in the right place. Run down of what I have, then the questions. I have a 2004 N/A Crossfire coupe, 36,500 miles Automatic transmission. Purchased this car in April this year. Not knowing much about them I felt it was running, handling fine. Then the strange things started to happen. Not all the time, pull up to a light, light changes and the car seems to have no power. Eventually it seemed to straighten out. The first time this happened I put it into reverse and it seemed to have no power. When I stopped the car, put it into forward it slammed in, put it into reverse, it slammed in. Went about my business came out started the car, back to normal. I read what I could find here on the forums and ended up taking it to a TRUSTED transmission shop. The owner appeared to know quite a bit about this 722.6 transmission and suggested replacing the connector outside the transmission, not sure what it is called. It was saturated. The o rings appeared to be leaking by. This was changed and the contacts cleaned and dried. Out the door. Now I notice I can actually lightly feel the transmission shift, up, down. NICE. I took a short trip from home today, about 30 miles. The car seemed fine, although I felt it should have shifted into another gear. Engine seemed to be a little higher speed than I would have expected. I do have a Magnaflow Exhaust on the car which makes it more noticeable. At 60-65 MPH the RPM's were between 25-2700. Step on the gas and the car would scoot. 65-70 MPH I was about 3000 RPM's. I have had 2 occasions of no power when stopping and starting up. I was able to shut the car off and restart and then it was back to normal. OH, NO CODES, no CEL and No pending codes this time. In the beginning I did have a P0715 pending code. Any and all help will be appreciated. At this time my thought is to go talk with Ted at the Transmission shop and see what he thinks. Maybe I have to replace the connector plate. Like I said earlier, this car only has 36K + miles on it.
Bill T.
Hope this is in the right place. Run down of what I have, then the questions. I have a 2004 N/A Crossfire coupe, 36,500 miles Automatic transmission. Purchased this car in April this year. Not knowing much about them I felt it was running, handling fine. Then the strange things started to happen. Not all the time, pull up to a light, light changes and the car seems to have no power. Eventually it seemed to straighten out. The first time this happened I put it into reverse and it seemed to have no power. When I stopped the car, put it into forward it slammed in, put it into reverse, it slammed in. Went about my business came out started the car, back to normal. I read what I could find here on the forums and ended up taking it to a TRUSTED transmission shop. The owner appeared to know quite a bit about this 722.6 transmission and suggested replacing the connector outside the transmission, not sure what it is called. It was saturated. The o rings appeared to be leaking by. This was changed and the contacts cleaned and dried. Out the door. Now I notice I can actually lightly feel the transmission shift, up, down. NICE. I took a short trip from home today, about 30 miles. The car seemed fine, although I felt it should have shifted into another gear. Engine seemed to be a little higher speed than I would have expected. I do have a Magnaflow Exhaust on the car which makes it more noticeable. At 60-65 MPH the RPM's were between 25-2700. Step on the gas and the car would scoot. 65-70 MPH I was about 3000 RPM's. I have had 2 occasions of no power when stopping and starting up. I was able to shut the car off and restart and then it was back to normal. OH, NO CODES, no CEL and No pending codes this time. In the beginning I did have a P0715 pending code. Any and all help will be appreciated. At this time my thought is to go talk with Ted at the Transmission shop and see what he thinks. Maybe I have to replace the connector plate. Like I said earlier, this car only has 36K + miles on it.
Bill T.
Re: 722.6 Transmission
Hello, Your transmission fluid was leaking from the deteriorated o-rings on the transmission electrical connector. Your transmission was going into "limp mode" because the fluid level was low. Your transmission guy was correct to replace the transmission electrical connector. That is a common issue with the NAG1 transmissions and they will all start leaking eventually. I don't know what you paid but FYI the transmission electrical connector is a $15.00 part and it takes less than 30 minutes to R & R. This is what he replaced . . .
https://www.crossfireforum.org/forum...tml#post832085
FYI - Here's an informational video about replacing the transmission electrical connector . . .
https://www.crossfireforum.org/forum...tml#post832103
Here's a link to explain more transmission repair issues including replacement of the conductor plate (not connector plate)
https://www.crossfireforum.org/forum...tml#post769483
The P0715 code does indicate a faulty speed sensor in the transmission conductor plate. First however, these transmissions are very sensitive to having the correct fluid level. I suspect your continuing issues could simply be due to improper fluid level. Take it back to your guy have him make SURE the fluid level is correct. If it is at the correct level and if you continue to have issues, then you should check again for trouble codes and if you get the P0715 code proceed to get the conductor plate replaced.
Here is a good place to buy the parts . . . NOTE: Use only genuine Mercedes brand parts . . . no aftermarket junk . . .
http://www.ebay.com/itm/Mercedes-Transmission-Conductor-Plate-Connector-Filter-Gasket-722-6-ALL-OE/400746773893?_trksid=p2047675.c100011.m1850&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D33098%26meid%3D5c0c6d04aad9456fb5ae8e4d3401de2b%26pid%3D100011%26rk%3D1%26rkt%3D10%26mehot%3Dag%26sd%3D251359627584
Please come back here and let us know how you resolved your transmission issues . . .
https://www.crossfireforum.org/forum...tml#post832085
FYI - Here's an informational video about replacing the transmission electrical connector . . .
https://www.crossfireforum.org/forum...tml#post832103
Here's a link to explain more transmission repair issues including replacement of the conductor plate (not connector plate)
https://www.crossfireforum.org/forum...tml#post769483
The P0715 code does indicate a faulty speed sensor in the transmission conductor plate. First however, these transmissions are very sensitive to having the correct fluid level. I suspect your continuing issues could simply be due to improper fluid level. Take it back to your guy have him make SURE the fluid level is correct. If it is at the correct level and if you continue to have issues, then you should check again for trouble codes and if you get the P0715 code proceed to get the conductor plate replaced.
Here is a good place to buy the parts . . . NOTE: Use only genuine Mercedes brand parts . . . no aftermarket junk . . .
http://www.ebay.com/itm/Mercedes-Transmission-Conductor-Plate-Connector-Filter-Gasket-722-6-ALL-OE/400746773893?_trksid=p2047675.c100011.m1850&_trkparms=aid%3D222007%26algo%3DSIC.MBE%26ao%3D1%26asc%3D33098%26meid%3D5c0c6d04aad9456fb5ae8e4d3401de2b%26pid%3D100011%26rk%3D1%26rkt%3D10%26mehot%3Dag%26sd%3D251359627584
Please come back here and let us know how you resolved your transmission issues . . .
Last edited by RED DOG; 08-27-2015 at 08:07 PM.
Re: 722.6 Transmission
Hello, Your transmission fluid was leaking from the deteriorated o-rings on the transmission electrical connector. Your transmission was going into "limp mode" because the fluid level was low. Your transmission guy was correct to replace the transmission electrical connector. That is a common issue with the NAG1 transmissions and they will all start leaking eventually. I don't know what you paid but FYI the transmission electrical connector is a $15.00 part and it takes less than 30 minutes to R & R. This is what he replaced . . .
https://www.crossfireforum.org/forum...tml#post832085
FYI - Here's an informational video about replacing the transmission electrical connector . . .
https://www.crossfireforum.org/forum...tml#post832103
Here's a link to explain more transmission repair issues including replacement of the conductor plate (not connector plate)
https://www.crossfireforum.org/forum...tml#post769483
The P0715 code does indicate faulty sensor in the conductor plate. First however, these transmissions are very sensitive to having the correct fluid level. I suspect your continuing issues could simply be due to improper fluid level. Take it back to your guy have him make SURE the fluid level is correct. If it is at the correct level and if you continue to have issues, then you should proceed to get the conductor plate replaced.
Here is a good place to buy the parts . . .
Mercedes Transmission Conductor Plate Connector Filter Gasket 722 6 All OE | eBay
Please come back here and let us know how you resolved your transmission issues . . .
https://www.crossfireforum.org/forum...tml#post832085
FYI - Here's an informational video about replacing the transmission electrical connector . . .
https://www.crossfireforum.org/forum...tml#post832103
Here's a link to explain more transmission repair issues including replacement of the conductor plate (not connector plate)
https://www.crossfireforum.org/forum...tml#post769483
The P0715 code does indicate faulty sensor in the conductor plate. First however, these transmissions are very sensitive to having the correct fluid level. I suspect your continuing issues could simply be due to improper fluid level. Take it back to your guy have him make SURE the fluid level is correct. If it is at the correct level and if you continue to have issues, then you should proceed to get the conductor plate replaced.
Here is a good place to buy the parts . . .
Mercedes Transmission Conductor Plate Connector Filter Gasket 722 6 All OE | eBay
Please come back here and let us know how you resolved your transmission issues . . .
Re: 722.6 Transmission
Hello, Your transmission fluid was leaking from the deteriorated o-rings on the transmission electrical connector. Your transmission was going into "limp mode" because the fluid level was low. Your transmission guy was correct to replace the transmission electrical connector. That is a common issue with the NAG1 transmissions and they will all start leaking eventually. I don't know what you paid but FYI the transmission electrical connector is a $15.00 part and it takes less than 30 minutes to R & R. This is what he replaced . . .
https://www.crossfireforum.org/forum...tml#post832085
FYI - Here's an informational video about replacing the transmission electrical connector . . .
https://www.crossfireforum.org/forum...tml#post832103
Here's a link to explain more transmission repair issues including replacement of the conductor plate (not connector plate)
https://www.crossfireforum.org/forum...tml#post769483
The P0715 code does indicate a faulty speed sensor in the transmission conductor plate. First however, these transmissions are very sensitive to having the correct fluid level. I suspect your continuing issues could simply be due to improper fluid level. Take it back to your guy have him make SURE the fluid level is correct. If it is at the correct level and if you continue to have issues, then you should check again for trouble codes and if you get the P0715 code proceed to get the conductor plate replaced.
Here is a good place to buy the parts . . . NOTE: Use only genuine Mercedes brand parts . . . no aftermarket junk . . .
Mercedes Transmission Conductor Plate Connector Filter Gasket 722 6 All OE | eBay
Please come back here and let us know how you resolved your transmission issues . . .
https://www.crossfireforum.org/forum...tml#post832085
FYI - Here's an informational video about replacing the transmission electrical connector . . .
https://www.crossfireforum.org/forum...tml#post832103
Here's a link to explain more transmission repair issues including replacement of the conductor plate (not connector plate)
https://www.crossfireforum.org/forum...tml#post769483
The P0715 code does indicate a faulty speed sensor in the transmission conductor plate. First however, these transmissions are very sensitive to having the correct fluid level. I suspect your continuing issues could simply be due to improper fluid level. Take it back to your guy have him make SURE the fluid level is correct. If it is at the correct level and if you continue to have issues, then you should check again for trouble codes and if you get the P0715 code proceed to get the conductor plate replaced.
Here is a good place to buy the parts . . . NOTE: Use only genuine Mercedes brand parts . . . no aftermarket junk . . .
Mercedes Transmission Conductor Plate Connector Filter Gasket 722 6 All OE | eBay
Please come back here and let us know how you resolved your transmission issues . . .
Re: 722.6 Transmission
Boy I am losing it. I know I started a answer to you Red Dog but have lost it. I did in fact order the conductor plate from the site you gave me. We plan to install it next week. QUESTION, how much fluid is needed when doing this and where should this be purchased, and what brand. The car is better, but not perfect. We are going to change the plate to hopefully get it to PERFECT. At this point there are no codes set or pending. I can feel the car shift through all 5 speeds, down shifting etc. BUT, I did have a couple of limp home modes that reset by shutting off the engine and restarting. Right now, car seems GREAT. Thanks for your help, Bill T.
1) how much fluid is needed when doing this and where should this be purchased.
The correct transmission fluid is Mopar p/n 05127382AB. The amount you'll need to put back in depends on how much fluid comes out of the transmission during your procedure. There is a lot fluid that will remain in the torque converter even after you drop the pan when changing out the filter and the conductor plate. It does seem that your guy, Ted, knows what he is doing so he will know how much fluid to replace. Usually about 4 quarts if you just drop the pan and 8.5 quarts if you can replace what's in the torque converter.
2) where should this be purchased, and what brand.
Let Ted determine the correct type of replacement fluid and let him determine the brand. I say this because personally I run Amsoil synthetic ATF in all of my vehicles with the NAG1 transmission. I have three Crossfires and five Chrysler SRT8s that all have the same NAG1 transmission. AMSOIL ATF - has an expected fluid life of three times manufactures! I have a transmission flush machine that flushes and changes out all the transmission fluid.
Someone from the forum will likely jump in here with their advice . . .
Last edited by RED DOG; 08-29-2015 at 07:24 AM.
Re: 722.6 Transmission
Hi Bill, To answer your questions:
1) how much fluid is needed when doing this and where should this be purchased.
The correct transmission fluid is Mopar p/n 05127382AA (or maybe now updated to p/n 05127382AB). The amount you'll need to put back in depends on how much fluid comes out of the transmission during your procedure. There is a lot fluid that will remain in the torque converter even after you drop the pan when changing out the filter and the conductor plate. It does seem that your guy, Ted, knows what he is doing so he will know how much fluid to replace. Usually about 4 quarts if you just drop the pan.
2) where should this be purchased, and what brand.
Let Ted determine the correct type of replacement fluid and let him determine the brand. I say this because personally I run Amsoil synthetic ATF in all of my vehicles with the NAG1 transmission. I have three Crossfires and five Chrysler SRT8s that all have the same NAG1 transmission. AMSOIL ATF - has an expected fluid life of three times manufactures! I have a transmission flush machine that flushes and changes out all the transmission fluid.
Someone from the forum will likely jump in here with their advice . . .
1) how much fluid is needed when doing this and where should this be purchased.
The correct transmission fluid is Mopar p/n 05127382AA (or maybe now updated to p/n 05127382AB). The amount you'll need to put back in depends on how much fluid comes out of the transmission during your procedure. There is a lot fluid that will remain in the torque converter even after you drop the pan when changing out the filter and the conductor plate. It does seem that your guy, Ted, knows what he is doing so he will know how much fluid to replace. Usually about 4 quarts if you just drop the pan.
2) where should this be purchased, and what brand.
Let Ted determine the correct type of replacement fluid and let him determine the brand. I say this because personally I run Amsoil synthetic ATF in all of my vehicles with the NAG1 transmission. I have three Crossfires and five Chrysler SRT8s that all have the same NAG1 transmission. AMSOIL ATF - has an expected fluid life of three times manufactures! I have a transmission flush machine that flushes and changes out all the transmission fluid.
Someone from the forum will likely jump in here with their advice . . .
I always recommend that if you buy a car from a forum member you should read his or her old posts and see if you agree with any maintenance that is written about.
Re: 722.6 Transmission
Hi Bill, To answer your questions:
1) how much fluid is needed when doing this and where should this be purchased.
The correct transmission fluid is Mopar p/n 05127382AB. The amount you'll need to put back in depends on how much fluid comes out of the transmission during your procedure. There is a lot fluid that will remain in the torque converter even after you drop the pan when changing out the filter and the conductor plate. It does seem that your guy, Ted, knows what he is doing so he will know how much fluid to replace. Usually about 4 quarts if you just drop the pan and 8.5 quarts if you can replace what's in the torque converter.
2) where should this be purchased, and what brand.
Let Ted determine the correct type of replacement fluid and let him determine the brand. I say this because personally I run Amsoil synthetic ATF in all of my vehicles with the NAG1 transmission. I have three Crossfires and five Chrysler SRT8s that all have the same NAG1 transmission. AMSOIL ATF - has an expected fluid life of three times manufactures! I have a transmission flush machine that flushes and changes out all the transmission fluid.
Someone from the forum will likely jump in here with their advice . . .
1) how much fluid is needed when doing this and where should this be purchased.
The correct transmission fluid is Mopar p/n 05127382AB. The amount you'll need to put back in depends on how much fluid comes out of the transmission during your procedure. There is a lot fluid that will remain in the torque converter even after you drop the pan when changing out the filter and the conductor plate. It does seem that your guy, Ted, knows what he is doing so he will know how much fluid to replace. Usually about 4 quarts if you just drop the pan and 8.5 quarts if you can replace what's in the torque converter.
2) where should this be purchased, and what brand.
Let Ted determine the correct type of replacement fluid and let him determine the brand. I say this because personally I run Amsoil synthetic ATF in all of my vehicles with the NAG1 transmission. I have three Crossfires and five Chrysler SRT8s that all have the same NAG1 transmission. AMSOIL ATF - has an expected fluid life of three times manufactures! I have a transmission flush machine that flushes and changes out all the transmission fluid.
Someone from the forum will likely jump in here with their advice . . .
Re: 722.6 Transmission
Rudy said that these transmissions run best when the fluid recommended by Mercedes is used. I would not use any other fluid because it said to be the best by its manufacturer or because it is cheaper or whatever. If you want to save a buck here or there get a beater.
I always recommend that if you buy a car from a forum member you should read his or her old posts and see if you agree with any maintenance that is written about.
I always recommend that if you buy a car from a forum member you should read his or her old posts and see if you agree with any maintenance that is written about.
Re: 722.6 Transmission
Hi All! So I've been searching the forum due to the p0715 code i have on my 04 crossfire. I've checked for oil leak and there are non so I'm gonna assume that its the speed sensor. I went to the dealership to price the speed sensor but found out that the conductor plate isn't sold separately but as the complete valve body ($1300) I've seen the eBay one posted on here but wanted to make sure this will work for the crossfire. Thank You in advance
Re: 722.6 Transmission
Hi All! So I've been searching the forum due to the p0715 code i have on my 04 crossfire. I've checked for oil leak and there are non so I'm gonna assume that its the speed sensor. I went to the dealership to price the speed sensor but found out that the conductor plate isn't sold separately but as the complete valve body ($1300) I've seen the eBay one posted on here but wanted to make sure this will work for the crossfire. Thank You in advance
Yes, the one I suggested on E-Bay will work for your 2004 Crossfire.
Re: 722.6 Transmission
Quick up-date: Had the car out yesterday, warmed it up good, went to see Ted and he checked the fluid level. Right in the 80 degree mark. When out tooling around, the car ran Flawless. BUT, when the conductor plate arrives we are going to change it out. It will make me feel better. Thanks again for your help. After the change is made I will get back to you with the results etc. Bill T.
Re: 722.6 Transmission
Hey Red Dog,
Quick up-date: Had the car out yesterday, warmed it up good, went to see Ted and he checked the fluid level. Right in the 80 degree mark. When out tooling around, the car ran Flawless. BUT, when the conductor plate arrives we are going to change it out. It will make me feel better. Thanks again for your help. After the change is made I will get back to you with the results etc. Bill T.
Quick up-date: Had the car out yesterday, warmed it up good, went to see Ted and he checked the fluid level. Right in the 80 degree mark. When out tooling around, the car ran Flawless. BUT, when the conductor plate arrives we are going to change it out. It will make me feel better. Thanks again for your help. After the change is made I will get back to you with the results etc. Bill T.
I said solenoid plate, it was actually a solenoid.
Last edited by onehundred80; 09-06-2015 at 11:37 PM.
Re: 722.6 Transmission
I am having that changed this week sometime. The parts came in the mail today.
Bill T.
Last edited by Billto; 08-31-2015 at 11:51 PM. Reason: added some words
Re: 722.6 Transmission
Hello, Your transmission fluid was leaking from the deteriorated o-rings on the transmission electrical connector. Your transmission was going into "limp mode" because the fluid level was low. Your transmission guy was correct to replace the transmission electrical connector. That is a common issue with the NAG1 transmissions and they will all start leaking eventually. I don't know what you paid but FYI the transmission electrical connector is a $15.00 part and it takes less than 30 minutes to R & R. This is what he replaced . . .
https://www.crossfireforum.org/forum...tml#post832085
FYI - Here's an informational video about replacing the transmission electrical connector . . .
https://www.crossfireforum.org/forum...tml#post832103
Here's a link to explain more transmission repair issues including replacement of the conductor plate (not connector plate)
https://www.crossfireforum.org/forum...tml#post769483
The P0715 code does indicate a faulty speed sensor in the transmission conductor plate. First however, these transmissions are very sensitive to having the correct fluid level. I suspect your continuing issues could simply be due to improper fluid level. Take it back to your guy have him make SURE the fluid level is correct. If it is at the correct level and if you continue to have issues, then you should check again for trouble codes and if you get the P0715 code proceed to get the conductor plate replaced.
Here is a good place to buy the parts . . . NOTE: Use only genuine Mercedes brand parts . . . no aftermarket junk . . .
Mercedes Transmission Conductor Plate Connector Filter Gasket 722 6 All OE | eBay
Please come back here and let us know how you resolved your transmission issues . . .
https://www.crossfireforum.org/forum...tml#post832085
FYI - Here's an informational video about replacing the transmission electrical connector . . .
https://www.crossfireforum.org/forum...tml#post832103
Here's a link to explain more transmission repair issues including replacement of the conductor plate (not connector plate)
https://www.crossfireforum.org/forum...tml#post769483
The P0715 code does indicate a faulty speed sensor in the transmission conductor plate. First however, these transmissions are very sensitive to having the correct fluid level. I suspect your continuing issues could simply be due to improper fluid level. Take it back to your guy have him make SURE the fluid level is correct. If it is at the correct level and if you continue to have issues, then you should check again for trouble codes and if you get the P0715 code proceed to get the conductor plate replaced.
Here is a good place to buy the parts . . . NOTE: Use only genuine Mercedes brand parts . . . no aftermarket junk . . .
Mercedes Transmission Conductor Plate Connector Filter Gasket 722 6 All OE | eBay
Please come back here and let us know how you resolved your transmission issues . . .
It is September 6, 2015 and this is an up-date on the problem I had with my 04 N/A coupe. I had the connector replaced at a trusted shop. I did order and received the Conductor Plate (the Whole Kit) that you suggested. I have it in hand BUT, the car is now running FINE, after a couple of hiccups. We are going to wait and see. If it starts to act up I will take it in and get the plate changed out. The last couple of outings the car ran great. Aprox 200 miles. Time will tell. Thanks again for your help,
Bill T.
Re: 722.6 Transmission
Bringing back an old thread. I am now experiencing this very same issue as BillTo. Low mileage SRT6. Sort of comes and goes, mostly when it's host outside. Getting occasional P0715 pending codes. Let it cool off and it's just fine the next day or after a couple of hours. Doesn't appear to be leaking. Will check the fluid level when time permits. Everything around the area looks dry unless it's leaking internally and lowering fluid pressure under load/heat conditions. Wondering if BillTo finally did the conductor plate and to what result.
Would like to just "do it once" and be done with it after getting the right parts ahead of time. Also a very low miles <40K car.
Would like to just "do it once" and be done with it after getting the right parts ahead of time. Also a very low miles <40K car.
Re: 722.6 Transmission
[QUOTE=cudaman;873429]Bringing back an old thread. I am now experiencing this very same issue as BillTo. Low mileage SRT6. Sort of comes and goes, mostly when it's host outside. Getting occasional P0715 pending codes. Let it cool off and it's just fine the next day or after a couple of hours. Doesn't appear to be leaking. Will check the fluid level when time permits. Everything around the area looks dry unless it's leaking internally and lowering fluid pressure under load/heat conditions. Wondering if BillTo finally did the conductor plate and to what result.
Would like to just "do it once" and be done with it after getting the right parts ahead of time. Also a very low miles
Would like to just "do it once" and be done with it after getting the right parts ahead of time. Also a very low miles
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