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which TC http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=69878	Page 1 of 1

Author:	wifes05crd [ Tue Aug 07, 2012 12:46 am ]
Post subject:	which TC
We have an '05 CRD. Is there a way to easily determine if the TC has been replaced under warranty or which TC we have. We did an eco tune and I'm not sure how much I should be concerned about the TC. We do some light towing. I haven't noticed any shudder ( I presume I would have noticed if it had). The transmission shifts at about 62mph, so from what I've read on this forum, the vehicle must have had some dealer modifications. Thanks

Author:	papaindigo [ Tue Aug 07, 2012 7:06 am ]
Post subject:	Re: which TC
3 possibilities but in reality only 1 IMHO 1) early 05 TC with plastic part - these self destructed almost immediately hence there is virtually zero chance you have this 2) later 05 and 06 TC which is essentially the same as the F-37 TC that was installed as part of the F-37 if the TC was deemed to be bad - check the Jeep site with your VIN to confirm that F-37 was done (there is supposed to be a sticker, likely on the radiator support, if so but that's not consistent - if your final shift point is ca. 63 mph your TCM has the F-37 flash but if it's ca. 58 mph it lacks the F-37 flash) 3) Euro or other aftermarket - unless you or a previous owner installed this you don't have this. So you probably have #2 which is ok as long as you don't push it hard. GDE EcoTune and TCM tune are fine as is moderate duty towing (2500 lbs or so). Hotter tunes, heavier towing, lead foot and that TC will die eventually even with regular fluid changes. Take home message service the TC regularly and keep driving. If it shudders back off, if it starts to regularly sudder save $s for new TC.

Author:	wifes05crd [ Tue Aug 07, 2012 10:51 am ]
Post subject:	Re: which TC
Thanks for the help. That lets me know the TC is not an immediate concern. Hoses, fuel filter/assy, and trans fluid change are next. Did I read somewhere on the forum about a different trans filter or pump? Was there something I should know about that without trying to find the post where I might have seen it mentioned? Thanks again for you help. This forum helped me make the decision to jump to the CRD. I'm glad we found LOST JEEPS. We definitely wouldn't be getting the performance, mileage, or (hopefully) the reduced future maintenance headaches otherwise.

Author:	papaindigo [ Tue Aug 07, 2012 3:07 pm ]
Post subject:	Re: which TC
I should have mentioned this but 1) welcome to the forum and 2) if you have not already done so read Sir Sam's NOOB guide. Comments: 1. TC can be left alone until shudder becomes an issue as I noted. Replacement options include the Euro, SunCoast (somewhat pricey and overbuilt but solid - I'm running this for no better reason than it was a retirement present from me to me along with the GDE turbo and SunCoast is only 3 hrs away for the install), or a good TC shop can rebuild your current one with beefier components. 2. Unless you are sure the previous owner used the proper fluids (oil/I like Shell Rotella T-6, antifreeze/HOAT only which includes Xerex G-05/Mopar/Ford, and ATF+4 for the tranny) it's best to change those out ASAP. Oil is simple (NOTE the oil pan is aluminum and unless the gasket is used on the drain plug it's easy to strip the drain plug threads - $50 or so fix get a Fumoto drain valve with the lever clip then install and never remove a drain plug again). Antifreeze and ATF are a bit harder as a simple drain won't empty all the old fluids so best do the multiple drain and fill route. For antifreeze drain (run a search on my handle for instructions) and refill 2-3 times with demineralized water then do an antifreeze fill. For ATF the only solution I know is to drop the pan and let it drain over night, repeat once, then install new filters and fluid). Do not buy tranny filters off Ebay as some of the bad OEM ones are still out there, get your filters from a dealer or good auto supply like NAPA or OReilley's. 3. the tranny pump, as I understand it, has a soft seat that tends to wear in the long haul. There is a new pump that can be installed but that tends to be done with a TC replacement. There is a transgo kit that as I understand it does the same thing for less $s. I had the transgo kit installed with my SunCoast TC. 4. if you fuel filter head has a bright blue cap on the heater plug and both power plugs on the head are essentially identical in size (see Sir Sam's fuel bleeding video) you already have the new head unit. If you don't I'd recommend getting it. 5. coolant hoses nowdays last a really long time and I would not spend $s replacing them unless obviously soft. The 2 intercooler hoses are a different story. If you don't already have Samcos installed (http://www.boostcontroller.com/index.php?category=328) then get them. While the intercooler hoses are off pull the airbox to turbo hose and look for a tear just in front of the turbo and below the "T" where the CCV hose connects. If torn replace - OEM part only running last I knew ca. $60 6. battery - any good group 34 with CCA 800 or better that physically fits is fine. Sears P-1 is great but pricey. Interstate Megatron 85 mo is almost as good for less $s. I have Sears, my son stoutdog has Interstate. 7. when you check brakes also pay attention to the odd "internal" parking drum brake as they tend to get somewhat nasty and are often overlooked. 8. CRITICAL - timing belt change absolutely must be done at or near 100,000 miles. If previous owner says it was done ask for documentation. Anything in writing or verbal that says a "mechanic" "checked" the TB should be taken as a bald faced lie. It's impossible to check TB condition without getting so far in that it might as well be changed. Either they checked nothing or they cannot tell the visible serpentine belt from the hidded timing belt. FYI depending on your location there are members with the tools scattered around the country that can do or help do a TB change for a reasonable fee. Enjoy, I certainly do.

Author:	ChooChooman74 [ Tue Aug 07, 2012 6:45 pm ]
Post subject:	Re: which TC
Dont forget ATS makes a TC too. Sent from my DROID BIONIC using Tapatalk 2

Author:	wifes05crd [ Tue Aug 07, 2012 8:45 pm ]
Post subject:	Re: which TC
Thanks again. While buying our Eco-Tune a couple of weeks ago, I mentioned to Kieth that I hadn't been this excited about a vehicle since my 69 Super Bee(440 six pack). I did the EHM but am not sure about it in winter driving. I believe as long as we let it idle before shut down it will be alright. Or I could temp it back to stock for cold months. We live in SW Mich. Also, my first oil change I used 15W40 Valvolene diesel oil. I hadn't read up on that before I made the purchase. I figure it would be ok for the first oil change since it is pretty hot up here in the summer.

Author:	hucorey [ Fri Aug 10, 2012 9:16 pm ]
Post subject:	Re: which TC
Just info, but the bigger rigs i.e. 3/4 and 1 ton trucks commonly refer Suncoast as Suntoast. For Chrysler products SharaDon transmissions r tough to beat along with Edge TC's. If and when u r in the market for a TC Edge will custom build one for u, given how much or little modifications u have. But either way specify you have a CRD and he will make sure u have a much lower RPM stall. Please excuse the typos as my autocorrect and edit features don't work well only phone.

Author:	wifes05crd [ Wed Aug 15, 2012 9:56 pm ]
Post subject:	Re: which TC
Thanks for the info. Hopefully I'll be able to hold off on that purchase for a while

Author:	Bama KJ [ Thu Aug 16, 2012 9:09 am ]
Post subject:	Re: which TC
Just had to have a TC installed last week and went with a PACT Tc . Made a big difference. Get those stock TC's out and dont buy the Euro from jeep. Pact sold it with shipping for $430. Stripped the old Tc out. TORQUE MAN TORQUE.

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