Lionel New Member 2 Member For: 6y 9m 2d Posted 26/06/18 02:09 AM Share Posted 26/06/18 02:09 AM Gday. I have a BF mk2, zf 6 speed. Just had it tuned, and it started flaring only at high rpm at wot. Not crazy power, only 275kw. After driving a couple hundred k's, tge transmission is now flaring wildly (will just shoot to redline until I back off and allows the next gear to engage) on all gearchanges above about 2500rpm. Checked oil, level is fine and has not mixed with coolant in the heat exchanger. Ive already got a replacement box from the same year model xr6 turbo to use, but thinking it might be an idea to figure out what failed and rebuild it just in case the new box has any dreams. Does anyone know what component of the zf would cause these symptoms? And where to buy replacement zf components? Cheers, Lionel. Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 29,347 Member For: 16y 11m 18d Gender: Male Location: Melbourne Posted 26/06/18 02:42 AM Share Posted 26/06/18 02:42 AM sounds like the ZF just needs to be serviced... Link to comment Share on other sites More sharing options...
adams355 Member 529 Member For: 7y 10m 27d Gender: Male Location: Brisbane Posted 26/06/18 03:30 AM Share Posted 26/06/18 03:30 AM Yep, service first it will be running even hotter now with more power which will deteriorate the fluid quicker. They really do need a proper cooler without this the fluid temp will be reaching 100+ degrees C from the coolant exchanger. Any temp over 80 degrees C for transmission fluid decays its properties exponentially and permanently. I thought mine was on the way out, cooler and service, totally different transmission. Link to comment Share on other sites More sharing options...
Lionel New Member 2 Member For: 6y 9m 2d Posted 28/06/18 12:53 AM Author Share Posted 28/06/18 12:53 AM Ok cool, thanks guys, I'll give it a go Link to comment Share on other sites More sharing options...
adams355 Member 529 Member For: 7y 10m 27d Gender: Male Location: Brisbane Posted 28/06/18 03:05 AM Share Posted 28/06/18 03:05 AM Check out this thread lionel options for service Link to comment Share on other sites More sharing options...
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