2009 GMC Envoy Service and Repair Manual

This factory service and repair manual for the 2009 GMC Envoy documents a sport utility offered in one body and three trims: the four-door version in Denali, SLE and SLT, with a 4.2L twin-cam inline-six or a 5.3L pushrod V8 under the hood. The manual gives each engine its own mechanical, fuel, emissions and cooling procedures, then treats the transmission, transfer case, suspension, steering, brakes, restraints and body circuits once, every chapter carrying the specifications, torque values, wiring diagrams and diagnostics that work on it requires.

Engines covered

• 4.2L inline-six (256 cu in) — DOHC, naturally aspirated, gasoline
• 5.3L V8 (325 cu in) — OHV, naturally aspirated, gasoline

Body styles covered

• 4-door sport utility

Trims covered

• Denali
• SLE
• SLT

Known issues on the 2009 Envoy. Seventeen owner complaints are on record for this model year, most of them on exterior lighting, with the engine and powertrain accounting for a handful more. The manual's lighting coverage is circuit-level, built on diagrams, connector locations and test procedures rather than bulb charts, and its engine and transmission sections carry diagnostic trouble code tables, component specifications and the torque values needed for reassembly. Chassis, brake and body work is documented to the same standard across both engine choices.