Bulletin Number:  07.07.30.002ConditionSome customers may comment on busy or frequent up and down shifts in 3rd, 4th, 5th or 6th gear at approximately 48-80 km/h (30-50 mph). The MIL may also be illuminated and a DTC P1751 stored in the TCM.... Read More

Bulletin No:  01-07-30-042DDate:  May, 2006Subject:  Information on 2-3 Upshift or 3-2 Downshift Clunk NoiseModels:  2007 and Prior Passenger Cars and Light Duty Trucks2003-2007 HUMMER H22006-2007  HUMMER H32005-2007 Saab 9... Read More

Service Bulletin #:  99-04-20-002D Date: June 2006 Subject:  Information on Driveline Clunk Noise When Shifting Between PARK and DRIVE, PARK and REVERSE or DRIVE and REVERSE Model(s): 2007 and Prior GM Passenger Cars and Light Duty... Read More

Service Bulletin #:  03-07-30-043a Date: May 2005 Subject:  Information Regarding Automatic Transmission Shift Lock Control Function Model(s): 2007 and Prior Passenger Cars and Trucks (Including Saturn)2007 and Prior HUMMER H2, H32005 ... Read More

Source:   GM Techlink Date:   October 2011 Subject:   6L80 or 6L90 Automatic Transmission Shift Conditions Models:   2006 - 2008 Chevrolet Corvette Several shift conditions may be present on some 2006-2008 STS-V,... Read More

From Community Forum Moderator, 59Tom: "These electronic ignition conversions as well as ones from Pertronix, Mallory, The GM Goodwrench Performance Parts catalog and others fit inside of your distributor and take the place of the points pieces. You... Read More