Description
Factory GMC Yukon Workshop Manual (2015-2020)
This factory-sourced repair manual covers the complete fourth-generation GMC Yukon lineup sold in the US market from 2015 through 2020, delivering OEM-level service data for every major system on the truck.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 5.3L Ecotec3 FlexFuel V8 (L83), 6.2L Ecotec3 FlexFuel V8 (L86) |
| Diesel | N/A |
| Transmissions | 6-speed 6L80 automatic, 8-speed 8L90 automatic |
| Drive | RWD, 4WD |
| Model Years | 2015, 2016, 2017, 2018, 2019, 2020 |
| Badge Twins | Chevrolet Tahoe, Chevrolet Suburban, Cadillac Escalade (GMT K2UC platform) |
Common Yukon Repairs Covered
| System | Procedures |
|---|---|
| AFM Lifter Failure (5.3L L83) | Active Fuel Management lifter replacement, camshaft inspection, valley cover reseal |
| Transmission | 6L80/8L90 fluid and filter service, torque converter replacement, shift solenoid diagnostics |
| Brakes | Front and rear rotor/pad replacement, electronic parking brake calibration, ABS module diagnostics |
| Cooling System | Water pump replacement, thermostat service, radiator flush and hose inspection procedures |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Is the AFM lifter issue on the 5.3L V8 addressed in this manual?
Yes. The Active Fuel Management system and its associated lifter components are documented in full within the engine mechanical section. The manual includes removal and installation procedures for the cylinder deactivation lifters, camshaft inspection specs, and valley cover resealing steps – everything needed to tackle this well-known L83 engine concern.
Does this manual also apply to the Yukon XL and Yukon Denali?
Absolutely. The manual covers the standard Yukon, the extended-wheelbase Yukon XL, and all Denali trim levels for model years 2015-2020. It also shares the GMT K2UC platform with the Chevrolet Tahoe, Suburban, and Cadillac Escalade, though trim-specific procedures – including Denali’s 6.2L L86 engine and Magnetic Ride Control – are called out separately where applicable.
Are wiring diagrams and electrical diagnostics included?
Yes. Full circuit diagrams cover engine management, body control modules, lighting, infotainment, and advanced driver assistance systems. Connector pinouts, wire color codes, and ground locations are provided alongside CAN bus diagnostic procedures for tracing communication faults across the vehicle network.
What format is the manual?
The manual is delivered as a PDF file. After purchase you receive an immediate download link – no waiting, no shipping. The file is fully searchable, compatible with Windows, Mac, iOS, Android, and any device running a standard PDF reader, and you can print any pages you need for shop use.
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