2006 Buick Terraza Service and Repair Manual

This factory service and repair manual for the 2006 Buick Terraza offers two engines: a 3.5L V6 and a larger 3.9L V6; both are overhead-valve, naturally aspirated gasoline engines. The body is a 4-door mini passenger van, and the trims are CX and CXL. Procedures, specifications and torque values are provided for both V6 engines and the transaxle, with diagnostics and wiring diagrams for the ignition, fuel system and electrical system.

Engines covered

• 3.5L V6 (213 cu in) — OHV, naturally aspirated, gasoline
• 3.9L V6 (237 cu in) — OHV, naturally aspirated, gasoline

Body styles covered

• 4-door mini passenger van

Trims covered

• CX
• CXL

Known issues on the 2006 Terraza. One recall is listed for the 2006 Terraza. It concerned certain 2006 Terraza vans that left the factory with tire and loading labels showing the wrong vehicle capacity weight, which could lead to overloading or incorrect tire pressures; owners received corrected labels. Owners filed 54 complaints, split evenly at 11 apiece among the electrical system, stability control and structure, with hydraulic service brakes and suspension at 8 each. 4 complaints reported a crash and 5 reported an injury. The brake, suspension and electrical system procedures, specifications and diagnostics cover these systems.