1999 Pontiac Montana Service and Repair Manual

This factory service and repair manual for the 1999 Pontiac Montana covers a minivan offered as a 4-door mini passenger van and a 3-door mini passenger van, both powered by a 3.4L V6 of 207 cu in. That engine uses overhead valves, breathes without forced induction and runs on gasoline. Base is the single trim listed. The manual gives procedures, specifications, torque values, wiring diagrams and diagnostics for the engine, fuel and cooling systems, the transmission, brakes, suspension, steering and body.

Engines covered

• 3.4L V6 (207 cu in) — OHV, naturally aspirated, gasoline

Body styles covered

• 4-door mini passenger van
• 3-door mini passenger van

Trims covered

• Base

Known issues on the 1999 Montana. The federal record holds 5 recalls for the 1999 Montana. One recalled certain 1999 Montana vehicles because the driver air bag inflator could build up too much pressure and burst in a crash, throwing debris; the module was replaced. Another covered certain vans with a passenger-side power sliding door that could close without latching and swing open on the road. A third recall, which covered 59 vehicles, concerned certain vans whose front lower cradle insulator sleeves could collapse, loosening the joint and risking steering shaft separation. Owners filed 235 complaints, 99 of them on engine and engine cooling, and 16 complaints reported a crash. Engine, cooling, steering, suspension and body procedures and torque values apply.