Description
Factory GMC Yukon Workshop Manual (2021-2024)
This factory-level service manual delivers complete repair, diagnostic, and maintenance coverage for the fifth-generation GMC Yukon and Yukon XL sold in the US market from 2021 through 2024, spanning all trim levels from SLE through Denali Ultimate.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 5.3L EcoTec3 V8 (L84), 6.2L EcoTec3 V8 (L87) |
| Diesel | 3.0L Duramax Turbo-Diesel V6 (LM2) |
| Transmissions | 10-speed automatic (10L80) |
| Drive | 2WD and 4WD |
| Model Years | 2021, 2022, 2023, 2024 |
| Badge Twins | Chevrolet Tahoe / Suburban (GMT T1 platform) |
Common Yukon Repairs Covered
| System | Procedures |
|---|---|
| Active Fuel Management (AFM) / DFM | Lifter collapse diagnosis, valley cover removal, AFM disabler integration notes on L84/L87 |
| Magnetic Ride Control Suspension | MRC damper replacement, ride height calibration, DTC diagnosis for C0800-series faults |
| Electrical / Body Control | BCM programming, power running board actuator replacement, Super Cruise ADAS wiring schematics |
| Cooling System | Thermostat housing replacement (LM2 diesel), coolant flush intervals, water pump R&R procedures |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Does this manual cover the AFM/DFM lifter issues known to affect the 5.3L L84?
Yes. The manual includes complete diagnostic and repair procedures for the Active Fuel Management and Dynamic Fuel Management systems on the L84 5.3L V8, covering lifter inspection, valley cover removal, and related oil pressure diagnostics – all common service items on these engines.
Is the Yukon XL covered alongside the standard-wheelbase Yukon?
Both body styles are covered. The fifth-generation Yukon (GMT 1YC) and Yukon XL extended-wheelbase variant share the GMT T1 platform with the Chevrolet Tahoe and Suburban, and all configurations are addressed within this manual.
Are wiring diagrams and ADAS schematics included for Denali and AT4 trims?
Yes. Electrical coverage includes full wiring schematics for all trim levels, encompassing the Super Cruise driver-assistance system, trailer towing electronics, Magnetic Ride Control, and power accessory circuits, complete with connector pinouts and ground locations.
What format is the manual?
The manual is a PDF document delivered via instant download after purchase. It is fully searchable and compatible with Windows, Mac, Linux, iOS, and Android devices. Individual pages or full chapters can be printed as needed for shop use.
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