1999 GMC Sierra 1500 Service and Repair Manual
1999 GMC Sierra 1500 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 Extended Cab Pickup 3-Door
- SL Extended Cab Pickup 2-Door
- SLT Extended Cab Pickup 3-Door
- SL Extended Cab Pickup 3-Door
- SLT Extended Cab Pickup 2-Door
- SLE Extended Cab Pickup 2-Door
- SL Standard Cab Pickup 2-Door
- SLE Standard Cab Pickup 2-Door
Engines covered
- 5.3L 5328CC 325Cu. In. V8 GAS OHV Naturally Aspirated
- 4.8L 294Cu. In. V8 GAS OHV Naturally Aspirated
- 4.3L 262Cu. In. V6 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
VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND SPORT UTILITY VEHICLES. THESE VEHICLES DO NOT COMPLY WITH THE OCCUPANT PROTECTION REQUIREMENTS OF FMVSS NO. 208, "OCCUPANT CRASH PROTECTION."
IN THE EVENT OF A VEHICLE CRASH, THE RIGHT FRONT PASSENGER RESTRAINT SYSTEMS MAY NOT MEET THE NECK E
DEALERS WILL INSTALL A TRAY INSERT ON THE TOP OF THE PASSENGER SIDE OF THE INSTRUMENT PANEL. THE TR
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need to be replaced if the brake pedal moves or applies on its own at a full turn.
This service bulletin provides information for maintenance cleaning of the fuel injectors and gasoline detergent additive.
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
Showing the 8 most recent of 19 technical service bulletins on file with NHTSA.
I AM THE ORIGINAL OWNER OF A 1999 GMC SIERRA THAT JUST HAD BRAKE LINE FAILURE ON 7/14/16 ON THE INTERSTATE THAT CAUSED AN ACCCIDENT. I HAD COMPLETE LOSS OF BRAKES, PEDAL TO THE FLOOR. I USED LOW GEAR
I AM THE ORIGINAL OWNER OF A 1999 GMC SIERRA THAT JUST HAD BRAKE LINE FAILURE ON 7/14/16 ON THE INTERSTATE THAT CAUSED AN ACCCIDENT. I HAD COMPLETE LOSS OF BRAKES, PEDAL TO THE FLOOR. I USED LOW GEAR
TL* THE CONTACT OWNS A 1999 GMC SIERRA 1500. WHILE DRIVING ON A COUNTRY ROAD THAT WAS ROCKY AND BUMPY, THE CONTACT LOST CONTROL OF THE VEHICLE. AS A RESULT, THE CONTACT DROVE INTO A DITCH AND CRASHED
BRAKE LINE FAILER DO TO POOR ROUTING FROM FACTORY AND SUBSTANDARD MATERIAL USED ON OEM LINES (BARE STEEL) . ALWAYS REPLACE OEM LINES WITH POWDER COATED AFTERMARKET OR STAINLESS "ONLY" INSPECT "ALL LI
1999 GMC SIERRA, TWO CARS INFRONT TURNING LEFT, WENT TO APPLY BRAKES AND PEDAL WENT TO FLOOR, NO BRAKES. ENDED UP CRASHING INTO THE CAR IN FRONT OF ME, WHICH IN TURN HIT THE CAR TURNING. AS I WAS MAKI
Showing the 5 most serious of 182 complaints filed with NHTSA.
