Target Audience:
Premium mid-size SUV buyers; DIY owners and technicians servicing the Rainier platform
Platform Sharing:
GM GMT360 platform, shared with Chevrolet TrailBlazer and GMC Envoy
Engine:
4.2L LL8 inline-6 with variable valve timing
Chassis:
Body-on-frame SUV with independent front suspension
Positioning:
Buick's upper-trim variant of the GMT360 mid-size SUV lineup
Versus Rivals:
Quieter, more upscale interior than platform siblings; refined inline-6 powertrain
Manual Advantage:
OE-derived service data for accurate repair at home or in the shop
Manual Type:
Service & Repair Manual Software
Format:
PDF Download (Online Access)
Delivery:
Instant digital download, online access
Licensing:
Officially Licensed
Data Source:
OE Materials
Compatibility:
PC, Laptop, Smartphone, Tablet (Web Browser)
Engine:
4.2L LL8 inline-6: overhaul, timing, cooling, fuel and emissions systems
Transmission:
4L60-E automatic: diagnostics, fluid service, removal and overhaul
Brakes:
Front vented disc, rear solid disc, ABS diagnostics
Suspension:
Front SLA torsion bar and rear multi-link coil spring suspension
Steering:
Power rack and pinion service and adjustment
Electrical:
Wiring diagrams, charging, starting, lighting, body electrical
HVAC:
Heating, ventilation and air conditioning diagnosis and repair
Body And Interior:
Panels, trim, seats, glass, mirrors, keyless entry
Diagnostics:
Fault code (DTC) retrieval and troubleshooting charts
Maintenance:
Scheduled service, fluid changes, filter replacement
Repairs:
Step-by-step removal, disassembly, inspection and reinstallation
Specifications:
Torque specs, fluid capacities, clearances, wear limits
Wiring Diagrams:
Complete electrical schematics for all circuits
Detail Level:
Full factory-level service information used by professional technicians
Illustrations:
Diagrams, exploded views and photos for procedures
Part Numbers:
OE part references included where applicable in procedures
Torque Data:
Fastener torque specifications throughout
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Airbags:
Dual front airbags; front side-impact airbags
Head Restraints:
Front head restraints
Seatbelts:
Three-point belts at all outboard seating positions
ABS:
Four-wheel anti-lock brakes
Traction Control:
Traction control system
Tire Pressure:
Tire pressure monitoring
Crash Test Data:
N/A - rating details not specified in this manual, refer to NHTSA/IIHS records
Oil Change Interval:
7,500 miles or 6 months (whichever comes first)
Tire Rotation Interval:
7,500 miles
Air Filter:
Inspect every oil change, replace as needed
Engine Oil Type:
SAE 5W-30
Engine Oil Capacity:
7.0 quarts (with filter)
Coolant Capacity:
13.4 quarts
Coolant Type:
Dex-Cool extended life coolant
Transmission Fluid Type:
Dexron VI
Transmission Fluid Capacity:
12.9 pints (3.2 quarts)
Known Issues / Common Wear Items
Common Wear:
Front suspension bushings, ball joints and idler/pitman components on higher-mileage trucks
Brakes:
Front pads and rotors typical wear items
Transmission:
Regular fluid service recommended for 4L60-E longevity
Manufacturer:
General Motors (Buick division)
Platform:
GM GMT360 mid-size truck platform
Introduction:
Rainier introduced for the 2004 model year as Buick's first mid-size SUV
Run:
Produced 2004-2007, replaced in Buick's lineup by the Enclave
Assembly Plant:
Moraine Assembly, Moraine, Ohio, USA
