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Introduced in 2006, the 6L80 has become the most popular
General Motors transmission in production today. Millions are
on roads around the world, and the 6L series of transmissions
has overtaken the 4L60E as the most popular rebuild in the
majority of transmission shops and dealerships today.
Automatic transmissions are often seen as mysterious and
overly complicated, but much of the guesswork has been simplified
to its basic elements in this easy-to-follow guide. This
book covers the identification process, operation, diagnostic
pointers, common failures, and repair and rebuild procedures
for the 6L80 transmission. Upgrades that are available to
make the 6L80 more robust are covered as well as the companies
that offer upgrades.
This detailed, step-by-step instructional manual is authored
by engineer, instructor, speaker, and author Steve Garrett.
Meticulous step-by-step photos of the rebuild process are
featured along with torque specifications and identification of
all major and most minor components.
• The GM 6L80 is the most prevalent transmission on the
road today and is a popular choice for high performance
• Detailed, step-by-step images walk the reader through
disassembly, rebuild, and reassembly
• Many aftermarket companies offer components for upgrading
the GM 6L80