January 1, 2008 Service bulletin

4L80E, MT1 and 4L85E, MN8 simplified valve body reconditioning instructions, DTC P0741, P0742, P0752,...

GMC technical service bulletin 08-07-30-001 for 2001-2005 GMC Sierra 2500, 2001-2006 Chevrolet Silverado 3500 and 2001-2006 GMC Sierra 3500 and others.

Bulletin number: 08-07-30-001
Component: Power train: automatic transmission
Summary: 4l80e, mt1 and 4l85e, mn8 simplified valve body reconditioning instructions, dtc p0741, p0742, p0752, p0752, p0756, p0757, p0894, harsh or delayed shifts, slips, no drive, no reverse.

Owners of these vehicles have filed 77 complaints in the transmission category.

Vehicles covered

GMC Sierra 2500 2001-2005 2001 2002 2003 2004 2005
Chevrolet Silverado 3500 2001-2006 2001 2002 2003 2004 2005 2006
GMC Sierra 3500 2001-2006 2001 2002 2003 2004 2005 2006
GMC W4500 2004-2008 2004 2005 2006 2007 2008
GMC W3500 2004-2008 2004 2005 2006 2007 2008

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