Pontiac G8 Repair Manuals

Free Pontiac G8 repair manuals [pdf] for do-it-yourselfers. Content: general information; maintenance; common specs & procedures; DTC index (trouble codes); accessories & equipment; body & frame; brakes; driveline/axles; electrical; wiring diagrams; engine; engine performance; HVAC; lighting; restraints; steering; suspension; transmission.

Pontiac G8 was introduced in 2008 in 4-door sedan, 5-door station wagon and 2-door coupe body styles. Three petrol engines were available: 3.6 L LY7 High Feature V6 produced 256 hp (191 kW) at 6,300 rpm and 248 lb·ft (336 N·m) at 2,100 rpm with 5-speed 5L40-E automatic transmission [Pontiac G8], 6.0 L L76 V8 produced 361 hp (265 kW) at 6,000 rpm and 385 lb·ft (522 N·m) at 4,000 rpm with 6-speed 6L80-E automatic transmission [Pontiac G8 GT], 6.2 L LS3 V8 produced 415 hp (309 kW) at 5,900 rpm and 424 lb·ft (575 N·m) at 4,600 rpm with 6-speed 6L80-E automatic transmission or 6-speed Tremec TR-6060 manual transmission [Pontiac G8 GXP].

Pontiac G8 technical specs:
Class: full-size car
Body style: 4-door sedan, 5-door station wagon, 2-door coupe
Layout: front-engine, rear-wheel drive
Wheelbase: 114.7 in (2,913 mm)
Length: 196.1 in (4,981 mm)
Width: 74.8 in (1,900 mm)
Height: 57.7 in (1,466 mm)
Engines: 3.6L LY7 V6; 6.0L L76 V8; 6.2L LS3 V8
Transmissions: 5-speed 5L40-E automatic; 6-speed 6L80-E automatic; 6-speed Tremec TR-6060 manual
Years: 2008, 2009