2008 Hydra-Matic 6L80 (MYC) 2008 Model Year SummaryHydra-Matic 6L80 six-speed automatic Car & Truck transmission New application: Hummer H2, SUT Modular design for application flexibility Full descriptions of new or changed features NEW... Read More
Clutch and Transmission
Subject: Clutch Pedal Effort Complaint Models: 2008 Corvettes with Manual TransmissionsCustomers may comment or technicians may notice the clutch pedal on some 2008 Corvettes may stay on the floor when depressed. BEFORE ANY PARTS ARE REPLACED the... 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
Service Bulletin #: 01-07-30-036F Date: February 2006 Subject: Diagnostic Tips for Automatic Transmission DTC P0756, Second, Third, Fourth Gear Start Model(s): 2007 and Prior Passenger Cars and Light Duty Trucks2003-2007 Hummer H22006... Read More
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
Service Bulletin #: 05-07-30-023 Date: September 2005 Subject: New Product Announcement -- Hydra-Matic 6L80 Automatic Transmission Model(s): 2006 Cadillac STS-V, XLR-V2006 Chevrolet Corvettewith 6L80 Automatic Transmission (RPO MYC)... Read More
Service Bulletin #: 1741321 Date: December 9, 2005 Subject: Automatic Transmission, Busy Shifting, MIL Illuminated, DTC P1751 Model(s): 2006 Chevrolet Corvette, 2006 Cadillac XLR-V and STS-V, 2007 Cadillac Escalade, 2007 GMC Yukon... Read More
Service Bulletin #: 06-07-30-002 Date: January 20, 2006 Subject: 6L80 Automatic Transmission Delayed Engagement From PARK to DRIVE or PARK to REVERSE (Reprogram Transmission Control Module (TCM)) Model(s): 2006 Chevrolet Corvette with... Read More
Service Bulletin #: 02-07-30-024B Date: August 2005 Subject: Diagnosis of Cracked or Broken Transmission Case Model(s): 2006 and Prior Cars and Light Duty Trucks2006 and Prior Hummer H22006 Hummer H32005-2006 Saab 9-7Xwith 4L60/4L60-E... Read More
Subject: 4L60-E, 4L65-E Automatic Transmission Fluid Leak from Oil Pump or Bell Housing Area (Remove Small Burrs on Torque Converter Hub, Pump Drive Slots and Replace Torque Converter Hub-to-Oil Pump Seal Assembly (243)Models: 2006... Read More