1998 GMC Yukon 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
- SLT Sport Utility 4-Door
Engines covered
- 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
VEHICLE DESCRIPTION: LIGHT DUTY EXTENDED-CAB PICKUP TRUCKS AND 4-DOOR UTILITY TRUCKS. THE LOWER STEERING SHAFT TO STEERING GEAR PINCH BOLT IS "FINGER LOOSE" OR MISSING ALLOWING THE BOLT TO LOOSEN A
RELATIVE MOVEMENT BETWEEN THE CHASSIS AND CAB CAN CAUSE THE STEERING SHAFT TO SEPARATE FROM THE STEE
DEALERS ARE ARRANGING TO HAVE THE VEHICLES INVOLVED TOWED TO THE DEALERSHIP AND ALTERNATE TRANSPORTA
CERTAIN REPLACEMENT FUEL FILTERS, FRAM BRAND NAME P/N G3727, WITH DATE CODES X52911 THROUGH X60801 SEQUENTIALLY OR X600141 AND A MEXICO COUNTRY OR ORIGIN MARKING ON THE FUEL FILTER HOUSING MANUFACTURE
THIS CONDITION MAY CAUSE AN INADEQUATE SEAL AT THE CONNECTION, POTENTIALLY LEADING TO A FUEL LEAK. I
HONEYWELL WILL NOTIFY OWNERS AND REPLACE THE FUEL FILTERS FREE OF CHARGE. THE RECALL BEGAN ON OCTOB
VEHICLE DESCRIPTION: LIGHT DUTY PICKUP TRUCKS AND MULTI-PURPOSE PASSENGER VEHICLES. ONE OR BOTH FRONT BRAKE ROTOR/HUBS WERE BUILT WITH AN OUT-OF-SPECIFICATION GRAY IRON THAT CAN FAIL DURING THE LIFE
IF A DRIVER CONTINUES TO DRIVE WITH A CRACKED ROTOR, THE CRACKS COULD CONTINUE AROUND THE WHEEL MOUN
DEALERS WILL INSPECT THE ROTORS FOR A CORE DATE OF "287" AND, IF FOUND, REPLACE THE ROTOR.
This warranty administration bulletin provides information regarding the field action courtesy transportation policy.
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and
This Preliminary Information communicates to the dealer the process for downloading or updating operating software for the Tire Pressure Monitor, Active Fuel Injector tester, multi media tester, PICO Scope, GR8 starting/charging tester and
This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with Theftlock.
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
LEFT FRONT AXLE SHAFT DIFFICULT TO REMOVE. AXLE DIFFERENTIAL LEAK SEAL SHAFT. *KB
FOUR WHEEL DRIVE INOPERATIVE AND THE 4WD SERVICE LIGHT WILL ILLUMINATE. DIAGNOSIS MAY REVEAL THAT THE ATC FUSE COULD BE OPEN, POSSIBLE DTC C0308, OR VARIOUS U CODES MAY BE SET. THE ENCODER MOTOR MAY ALSO BE SHORTED OR THE TCCM MAY BE DAMAGE
Showing the 8 most recent of 28 technical service bulletins on file with NHTSA.
THIS VEHICLE HAS HISTORICALLY BEEN BAD FOR WEAR ON DISCS AND PADS. I HAD JUST REPLACED THE DISCS AND PADS ONCE AGAIN, AND WAS IN AN ACCIDENT. I REALLY THINK THE PROBLEM WAS WITH THE ABS SYSTEM AND NO
THIS VEHICLE HAS HISTORICALLY BEEN BAD FOR WEAR ON DISCS AND PADS. I HAD JUST REPLACED THE DISCS AND PADS ONCE AGAIN, AND WAS IN AN ACCIDENT. I REALLY THINK THE PROBLEM WAS WITH THE ABS SYSTEM AND NO
AFTER BEING INVOLVED IN A HEAD ON COLLISION AIR BAGS DID NOT DEPLOY.*AK
I GOT INTO A ACCIDENT. AT THE INTERSECTION OF WASHINGTON ST AND 2ND ST IN RENO NV. I IMPACTED ANOTHER CAR AS THEY WENT ACROSS THE INTERSECTION. I HAD THE RIGHT OF WAY, I IMPACTED THE PASSENGER REAR EN
BUMPER TO BUMPER TRAFFIC DURING RUSH HOUR, BRAKES WENT TO THE FLOOR CAUSING ABOUT A 10 MPH IMPACT INTO PICKUP IN FRONT OF US. GLAD WE WEREN'T UP TO SPEED WHEN THE BRAKES WENT. UPON FURTHER INSPECTION,
Showing the 5 most serious of 90 complaints filed with NHTSA.
