Wonder how soon all will follow... ... ... .....
LMM Info - You can't mess with fresh air box, computer or exhaust - WARRANTY VOID
LMM Info - You can't mess with fresh air box, computer or exhaust - WARRANTY VOID - TheDieselPage.com Forums
I'm sure this information will not be well received by those looking forward to hot rodding the new LMM Duramax Diesel. This information is included with the owners manual and documentation on delivery of a new Duramax Diesel equipped truck. Specifically, no fresh air boxes, no reprogramming of the ECM and no exhaust modifications. If you attempt to reprogram the ECM and then un-program it before taking it to a dealer for service, you will still be caught by the new computers. Don't try it unless your prepared to void your warranty. Members need to know that GM is serious about the following:
AFTERMARKET ENGINE PERFORMANCE ENHANCEMENT KITS
LMM Info - You can't mess with fresh air box, computer or exhaust - WARRANTY VOID
LMM Info - You can't mess with fresh air box, computer or exhaust - WARRANTY VOID - TheDieselPage.com Forums
I'm sure this information will not be well received by those looking forward to hot rodding the new LMM Duramax Diesel. This information is included with the owners manual and documentation on delivery of a new Duramax Diesel equipped truck. Specifically, no fresh air boxes, no reprogramming of the ECM and no exhaust modifications. If you attempt to reprogram the ECM and then un-program it before taking it to a dealer for service, you will still be caught by the new computers. Don't try it unless your prepared to void your warranty. Members need to know that GM is serious about the following:
AFTERMARKET ENGINE PERFORMANCE ENHANCEMENT KITS