1999 GMC C1500 Suburban 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
- SLE Sport Utility 4-Door
- Base Sport Utility 4-Door
- SLT Sport Utility 4-Door
Engines covered
- 6.5L 395Cu. In. V8 DIESEL OHV Turbocharged
- 5.7L 350Cu. In. V8 GAS 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
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form o
Underbody Component Corrosion The following information may be helpful when addressing underbody component corrosion with customers. Some customers may comment that one or more of their vehicle's underbody components are showing some form o
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's
Refinishing Aluminum Wheels This bulletin updates General Motor's position on refinishing aluminum wheels. GM does not endorse any repairs that involve welding, bending, straightening o re-machining. Only cosmetic refinishing of the wheel's
THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT A CONDITION OF THE REAR ENTERTAINMENT SYSTEM NOT OPERATING AS INTENDED IN COLDER AMBIENT TEMPERATURE AREAS DUE TO CALIBR
Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules
TL* THE CONTACT OWNS A 1999 GMC C1500 SUBURBAN. WHILE DRIVING AT APPROXIMATELY 65 MPH, THE OIL FIELD EXPLODED. THE VEHICLE WAS TAKEN TO AN INDEPENDENT MECHANIC WHERE IT WAS DIAGNOSED THAT THE FIELD FR
TRANSFER CASE PINHOLE DO TO PUMP IN TRANSFER CASE COMMON PROBLEM
TRANSFER CASE PINHOLE DO TO PUMP IN TRANSFER CASE COMMON PROBLEM
AIRBAG LIGHT IS ON. NEEDS NEW MODULE AND THE PART IS "CURRENTLY UNAVAILABLE" FROM GMC. REPAIR SHOP WILL NOT GUARANTEE WORK ON INSTALLATION OF A THIRD PARTY PART. I HAVE SPOKEN EXTENSIVELY WITH GMC
TL* THE CONTACT OWNS A 1999 GMC SUBURBAN. THE CONTACT STATED THAT THE BRAKES WERE WEARING PREMATURELY. THE VEHICLE WAS TOWED TO THE DEALER, WHO STATED THAT THE BRAKE LINES, HARDWARE, BRAKE CYLINDER AN
Showing the 5 most serious of 19 complaints filed with NHTSA.
