2005 Pontiac G4 Service and Repair Manual

This factory service and repair manual for the 2005 Pontiac G4 covers a 4-door sedan offered in two trims, Basico and LS. Both run a 2.2L inline-four of 134 cubic inches with double overhead camshafts, naturally aspirated and fueled by gasoline. The manual pairs that engine with procedures and specifications for the fuel system, ignition and cooling, and it gives torque values and diagnostics for the transmission, brakes, suspension and steering.

Engines covered

• 2.2L inline-four (134 cu in) — DOHC, naturally aspirated, gasoline

Body styles covered

• 4-door sedan

Trims covered

• Basico
• LS

Known issues on the 2005 G4. With a gasoline double-overhead-cam four in a sedan body, the engine, fuel system, ignition and cooling system are the core of the service work, and the manual treats them with procedures, specifications and torque values. The transmission, drivetrain, brakes, suspension and steering receive the same treatment. For the electrical system and the body, wiring diagrams and diagnostics apply to both the Basico and LS trims.