Erko Donating Members 1,079 Member For: 21y 5m 6d Gender: Male Location: Sydney Posted 08/09/12 11:20 PM Share Posted 08/09/12 11:20 PM G'day Fellas...got a curly one and appreciate some thoughts on thisPicked up a 2011 GT from Melbourne last week, 13k klms only, ZF, had a Herrod Engine and ZF tune on it and 19x9 245/35 front and 19x10 275/30s rear. Car had not been used much last few months.Brought it back to Sydney with the Herrod tune in it, no dramas at all performed well, shifts were firm but no dramas at all. When I got it home I decided to flash the stock engine and trans tune into it to see how it went - my thinking was that the stock trans tune might be a better option for daily driving.This is where it all went pear shaped....took it out after flashing to stock and trans went haywire. In auto, under light throttle would flare up on 2-3 shift, not shift into 3rd and then slam into 4th with a big bang...ie. enough to flash TCS and then go into limp after a few klms. Spoke to Herrod who suggested disconnecting battery, did that, even overnight....didnt sort it. On advice drove it around with a view that the the trans would self learn and sort itself out....no dice. Had it towed up to my tuner who has tried flashing new ZF tunes and even got the trans recovery file from Herrod/SCT......no luck....he drove it for hours, didnt come good. Flashed back to stock its still buggered.So this is where I am at now, doing some reading on other forums and chatting with a ZF guru on friday afternoon has lead me to a few possible causes and their outcomes.. I am hoping it is something very simple - and not a full trans and tcm replacement.Appreciate any thoughts / tips....as you can imagine its an absolute p1sser with a car I've had for a week. Link to comment Share on other sites More sharing options...
Adam Here since the start... Lifetime Members 10,282 Member For: 21y 10m 10d Gender: Male Location: Victoria Posted 08/09/12 11:32 PM Share Posted 08/09/12 11:32 PM Has the trans been mechanically modified? Link to comment Share on other sites More sharing options...
Erko Donating Members 1,079 Member For: 21y 5m 6d Gender: Male Location: Sydney Posted 08/09/12 11:56 PM Author Share Posted 08/09/12 11:56 PM Hi Adam, no mods other than mild engine and ZF tune and a set of wheels. Link to comment Share on other sites More sharing options...
bionicxr6t05 Bronze Donating Members 2,216 Member For: 13y 7m 9d Gender: Male Posted 09/09/12 12:01 AM Share Posted 09/09/12 12:01 AM A member on here has similar issues, very harsh zf tune was removed and uncovered mechanical issues, good luck 1 Link to comment Share on other sites More sharing options...
discostig Manual mode ________________________ All day, erryday Donating Members 13,798 Member For: 17y 3m 12d Gender: Male Location: Probably above atmospheric pressure Posted 09/09/12 01:37 AM Share Posted 09/09/12 01:37 AM Think I posted this over on AFF, assuming it was you there, sounds very similar.Did you flash to completely stock tune as in engine too? Link to comment Share on other sites More sharing options...
Erko Donating Members 1,079 Member For: 21y 5m 6d Gender: Male Location: Sydney Posted 09/09/12 02:59 AM Author Share Posted 09/09/12 02:59 AM Yep same one Steve, same user name yep, flashed all to stock Link to comment Share on other sites More sharing options...
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