2012 Chevrolet Silverado 3500 HD Service and Repair Manual
2012 Chevrolet Silverado 3500 HD service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Designed for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and reference wiring diagrams and system sections quickly while you work.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Wiring diagrams and electrical sections
- Powertrain, brakes, steering, suspension, HVAC and more
Trims covered
- WT Crew Cab Pickup 4-Door
- LT Extended Cab Pickup 4-Door
- WT Cab & Chassis 2-Door
- LT Standard Cab Pickup 2-Door
- LT Crew Cab Pickup 4-Door
- LT Cab & Chassis 2-Door
- WT Extended Cab Pickup 4-Door
- LTZ Extended Cab Pickup 4-Door
- LT Cab & Chassis 4-Door
- WT Standard Cab Pickup 2-Door
- LTZ Crew Cab Pickup 4-Door
- WT Cab & Chassis 4-Door
Engines covered
- 6.6L 6599CC 403Cu. In. V8 DIESEL OHV Turbocharged
- 6.0L 5967CC 364Cu. In. V8 GAS OHV Naturally Aspirated
- 6.0L 5967CC 364Cu. In. V8 FLEX OHV Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
General Motors, LLC (GM) is recalling certain 2012 Cadillac Escalade, Escalade ESV, Escalade EXT, Chevrolet Avalanche, Silverado 1500, Silverado 2500/3500, Suburban, Tahoe, GMC Sie
An inflator explosion may result in sharp metal fragments striking the driver or other occ
GM will notify owners, and dealers will replace the front passenger air bag inflator with
General Motors, LLC (GM) is recalling certain 2014 Cadillac Escalade, Escalade ESV, Chevrolet Silverado 2500, Silverado 3500, Suburban, Tahoe, GMC Sierra 2500, Sierra 3500, Yukon,
An inflator explosion may result in sharp metal fragments striking the driver or other occ
GM will notify owners, and dealers will replace the front passenger air bag inflator with
TL* THE CONTACT OWNED A 2012 CHEVROLET SILVERADO 3500. WHILE DRIVING APPROXIMATELY 80 MPH, THE DRIVER LOST CONTROL OF THE VEHICLE AND CRASHED INTO A GUARDRAIL. AS A RESULT, THE VEH
Tire - 265/70 r18 Cooper Could have been a very bad accident. Tire blew out. The tire was inspected by Goodyear PCA-Visual only -recvd below response after several requests. Al
TIRE - 265/70 R18 Failure: Tire caused vehicle damage - Tire is at Goodyear Tire - Akron, Ohio Pulled off the road to change tire - was helped by someone that saw incident and live
The contact owns a 2012 Chevrolet Silverado 3500. The contact stated that the vehicle would be low or completely out of fuel quicker than expected. The contact stated that while at
Showing the 4 most serious of 31 complaints filed with NHTSA.
