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SVT Shelby GT500
2011 gt500 1-2 shift problem
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<blockquote data-quote="Kostas" data-source="post: 9880912" data-attributes="member: 92453"><p>There are threads on many forums about this issue, and so far there is someone that had this resolved on his 2010. He mentioned that Tremec techs were involved as well.</p><p></p><p>Here is his post from TS</p><p><em>Posted 24 June 2010 - 01:33 AM </em></p><p><em></em></p><p><em>Ok...here we go, I got my Shelby back and I am thrilled!!! My Tremec 6060 feels and functions absolutely perfect. I put 100 miles on the car this evening and finally got to lay some rubber with the car now that I have a non-grinding 2nd gear. Before I would have to shift from 1st to 3rd, or to 2nd with a terrible grind. After a little more testing is done all the remaining mods can now be installed on my car!! </em></p><p><em></em></p><p><em>I am sorry for this being long, but I want to be as thorough as I am allowed to be. I am taking the time to be detailed in this at 2am so that those of you with issues on your 2010 GT500's have a solution as this most likely, in my opinion as of today, will not become a recall or TSB. </em></p><p><em></em></p><p><em>There are several threads here on TS with people complaining about the 1st to 2nd gear grind. As most of you know, I own a Mustang shop and was not happy to have my own car start grinding at 100 miles. The first 100 miles the car was babied, never taken over 3500 RPM, and it was very hard to get into second. I figured it needed to break in and continued to baby the car, hoping the trans would shift better with some miles...not the case...it got worse and started grinding. I called a friend at Tremec and then took the car to Ford. I was told to continue to drive it, which I did. It was embarrassing to drive to 2 shows and have to either let the car grind going into second, or let it bog shifting from 1st to 3rd...sure made it look to bystanders that I didn't know how to drive!!</em></p><p><em></em></p><p><em>Car went back to my dealer, and a new transmission arrived, installed, and GRINDED too. It was disassembled, my original was disassembled, and a customer's transmission (with his permission) with the same issue was disassembled...this is what took so long. Lots of phone calls, techs, flights, frustration and parts were used with many "unofficially" getting involved. I am not at liberty to put in writing any names, even to give many thanks to, or to assign blame, even if my opinion, of failed parts. Most parts in outsourced transmissions are manufactured by various suppliers through out the world. Many changes can and will be made in a model year on an outsourced assembly, in this case the transmission. </em></p><p><em></em></p><p><em>In this case the failed parts ONLY apply to the 2010 transmission...not 07-09...again...ONLY 2010!!! The TSB's pertaining to the clutch and transmission in the 07-09 GT500's have nothing to do with this. The grind also has nothing to do with the 2010 organic clutch. This is a 2010 GT500 ONLY issue and only on some transmissions. If your 2010 GT500 has not experienced tough or grinding into 2nd gear with in the first 1000 miles, it won't most likely. Only a small group have the issue. Unfortunately, contrary to what was thought before it is not dependent on build date as the defective parts were used through-out the 2010 model year. Parts are sent to Tremec with one part #, then given another part # by Tremec, then given another by Ford. Parts when delivered to each manufacturer are put on shelves and used as needed. The 3 trans's that we used for these observations were a March, 2009 build date, an August, 2009 build date, and a December, 2009 build date (my original one), so it is sporadic all across the board of build dates. I took many pictures, and learned alot about these transmissions, but have been asked not to post pictures, which I planned on, but respect the decision of being told not to. I am not a transmission expert, but could clearly see the defective parts with my own eyes. </em></p><p><em></em></p><p><em>Parts replaced on my transmission, my customer's, and the spare...these are Ford part #'s:</em></p><p><em></em></p><p><em>1) AR3Z-7102-A Gear Mainshaft 2nd speed</em></p><p><em></em></p><p><em>1) 7R3Z-7177-A Washer</em></p><p><em></em></p><p><em>2) 7R3Z-7107-A 1st synchro blocker ring</em></p><p><em></em></p><p><em>1) 7R3Z-7124-A Synchro assy</em></p><p><em></em></p><p><em>1) 4R3Z-7K584-AB Clip </em></p><p><em></em></p><p><em>1) 7R3Z-7A082-A Trans control selector</em></p><p><em></em></p><p><em>1) AR3Z-7025-A Bearing</em></p><p><em></em></p><p><em>1) 7R3Z-7R482-A Output shaft washer</em></p><p><em></em></p><p><em>1) 7R3Z-7050-A Retainer spring</em></p><p><em></em></p><p><em>3) F6ZZ-7160-A Snap rings</em></p><p><em></em></p><p><em>1) 8R3Z-7117-C Bearing spacer</em></p><p><em></em></p><p><em>7) XT-5-QM Trans fluid ( for all 3 tranny's on this invoice) </em></p><p><em></em></p><p><em>2) PM-1-C Brake fluid ( for CSC bleeding)</em></p><p><em></em></p><p><em>Now those of you that are familiar with Ford part #'s are saying" those part #'s are for 04, 07, and 10!!" I know this!! My suggestion, and only my suggestion and opinion, is to wait if you have an 2010 trans issue for a couple weeks to a month before taking your car to have this warrantied as the parts are updated. Also be sure that your dealer ORDERS the parts and does not use any parts they have in stock if they have any of these parts in stock.</em></p><p><em></em></p><p><em>I think we really now have our answer key to the 1st to 2nd grind. Another customer with a 2010 that never had a grind brought his car in too for a "removal and inspection". His car has 13K VERY hard miles and 680 RWHP. My shop built the car. His trans looked perfect inside...no wear marks, hot spots, etc. Clutch even looked great still even with over 50 quarter mile passes and road racing. His build date is March 2009. Agin showing that it is not a build date issue. </em></p><p><em></em></p><p><em>I really hope this helps and allows others having the issue to get it fixed and learn to enjoy your cars again!!!</em></p><p><em></em></p><p><em>Alex </em></p></blockquote><p></p>
[QUOTE="Kostas, post: 9880912, member: 92453"] There are threads on many forums about this issue, and so far there is someone that had this resolved on his 2010. He mentioned that Tremec techs were involved as well. Here is his post from TS [I]Posted 24 June 2010 - 01:33 AM Ok...here we go, I got my Shelby back and I am thrilled!!! My Tremec 6060 feels and functions absolutely perfect. I put 100 miles on the car this evening and finally got to lay some rubber with the car now that I have a non-grinding 2nd gear. Before I would have to shift from 1st to 3rd, or to 2nd with a terrible grind. After a little more testing is done all the remaining mods can now be installed on my car!! I am sorry for this being long, but I want to be as thorough as I am allowed to be. I am taking the time to be detailed in this at 2am so that those of you with issues on your 2010 GT500's have a solution as this most likely, in my opinion as of today, will not become a recall or TSB. There are several threads here on TS with people complaining about the 1st to 2nd gear grind. As most of you know, I own a Mustang shop and was not happy to have my own car start grinding at 100 miles. The first 100 miles the car was babied, never taken over 3500 RPM, and it was very hard to get into second. I figured it needed to break in and continued to baby the car, hoping the trans would shift better with some miles...not the case...it got worse and started grinding. I called a friend at Tremec and then took the car to Ford. I was told to continue to drive it, which I did. It was embarrassing to drive to 2 shows and have to either let the car grind going into second, or let it bog shifting from 1st to 3rd...sure made it look to bystanders that I didn't know how to drive!! Car went back to my dealer, and a new transmission arrived, installed, and GRINDED too. It was disassembled, my original was disassembled, and a customer's transmission (with his permission) with the same issue was disassembled...this is what took so long. Lots of phone calls, techs, flights, frustration and parts were used with many "unofficially" getting involved. I am not at liberty to put in writing any names, even to give many thanks to, or to assign blame, even if my opinion, of failed parts. Most parts in outsourced transmissions are manufactured by various suppliers through out the world. Many changes can and will be made in a model year on an outsourced assembly, in this case the transmission. In this case the failed parts ONLY apply to the 2010 transmission...not 07-09...again...ONLY 2010!!! The TSB's pertaining to the clutch and transmission in the 07-09 GT500's have nothing to do with this. The grind also has nothing to do with the 2010 organic clutch. This is a 2010 GT500 ONLY issue and only on some transmissions. If your 2010 GT500 has not experienced tough or grinding into 2nd gear with in the first 1000 miles, it won't most likely. Only a small group have the issue. Unfortunately, contrary to what was thought before it is not dependent on build date as the defective parts were used through-out the 2010 model year. Parts are sent to Tremec with one part #, then given another part # by Tremec, then given another by Ford. Parts when delivered to each manufacturer are put on shelves and used as needed. The 3 trans's that we used for these observations were a March, 2009 build date, an August, 2009 build date, and a December, 2009 build date (my original one), so it is sporadic all across the board of build dates. I took many pictures, and learned alot about these transmissions, but have been asked not to post pictures, which I planned on, but respect the decision of being told not to. I am not a transmission expert, but could clearly see the defective parts with my own eyes. Parts replaced on my transmission, my customer's, and the spare...these are Ford part #'s: 1) AR3Z-7102-A Gear Mainshaft 2nd speed 1) 7R3Z-7177-A Washer 2) 7R3Z-7107-A 1st synchro blocker ring 1) 7R3Z-7124-A Synchro assy 1) 4R3Z-7K584-AB Clip 1) 7R3Z-7A082-A Trans control selector 1) AR3Z-7025-A Bearing 1) 7R3Z-7R482-A Output shaft washer 1) 7R3Z-7050-A Retainer spring 3) F6ZZ-7160-A Snap rings 1) 8R3Z-7117-C Bearing spacer 7) XT-5-QM Trans fluid ( for all 3 tranny's on this invoice) 2) PM-1-C Brake fluid ( for CSC bleeding) Now those of you that are familiar with Ford part #'s are saying" those part #'s are for 04, 07, and 10!!" I know this!! My suggestion, and only my suggestion and opinion, is to wait if you have an 2010 trans issue for a couple weeks to a month before taking your car to have this warrantied as the parts are updated. Also be sure that your dealer ORDERS the parts and does not use any parts they have in stock if they have any of these parts in stock. I think we really now have our answer key to the 1st to 2nd grind. Another customer with a 2010 that never had a grind brought his car in too for a "removal and inspection". His car has 13K VERY hard miles and 680 RWHP. My shop built the car. His trans looked perfect inside...no wear marks, hot spots, etc. Clutch even looked great still even with over 50 quarter mile passes and road racing. His build date is March 2009. Agin showing that it is not a build date issue. I really hope this helps and allows others having the issue to get it fixed and learn to enjoy your cars again!!! Alex [/I] [/QUOTE]
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