2019 GMC Yukon XL
The 2019 GMC Yukon XL is a full-size SUV known for its spacious interior, comfortable ride, and strong towing capability. Engine options include the 5.3L EcoTec3 V8 (355 hp, 383 lb-ft of torque) and the 6.2L EcoTec3 V8 (420 hp, 460 lb-ft of torque). Both engines were paired with a 6-speed or 10-speed automatic transmission. Owners appreciate the Yukon XL’s ability to haul large families and cargo, as well as its relatively luxurious interior. However, common complaints include its large size making it difficult to maneuver in tight spaces, and occasionally reported issues with the automatic transmission.
Engine
5.3L EcoTec3 V8
- Active Fuel Management (AFM) Lifter Failure
- Description/Symptoms: Ticking noise from the engine, misfires, reduced power, check engine light illumination. Often related to the AFM system deactivating cylinders.
- Solution: Replacement of the affected lifters, potentially replacing all lifters, and potentially replacing the camshaft. Disabling AFM system altogether is another possible fix.
- Estimated Cost to Fix: $3,000 - $5,000+
- Recalls: None Found
6.2L EcoTec3 V8
- Oil Consumption
- Description/Symptoms: Excessive oil consumption requiring frequent top-offs between oil changes. Blue smoke may be visible from the exhaust.
- Solution: In some cases, a revised PCV valve is installed. More severe cases may require piston ring replacement.
- Estimated Cost to Fix: $500 - $5,000+
- Recalls: None Found
Transmission
6-Speed Automatic Transmission
- Harsh Shifting
- Description/Symptoms: Abrupt or jerky shifts between gears, particularly during acceleration or deceleration.
- Solution: Software update to the transmission control module (TCM). Fluid change, or valve body replacement may also be necessary.
- Estimated Cost to Fix: $100 - $1,500+
- Recalls: None Found
10-Speed Automatic Transmission
- Hesitation/Rough Shifting
- Description/Symptoms: Hesitation when accelerating, particularly from a stop or low speeds. Rough or clunky shifts, especially between lower gears.
- Solution: TCM reprogramming, transmission fluid flush, or in some cases, valve body replacement.
- Estimated Cost to Fix: $100 - $2,000+
- Recalls: None Found
Suspension
- Magnetic Ride Control (If Equipped) Failure
- Description/Symptoms: Rough ride, excessive bouncing, clunking noises from the suspension, service suspension system message.
- Solution: Replacement of the affected Magnetic Ride Control shock absorbers.
- Estimated Cost to Fix: $800 - $1500 per shock (parts and labor).
- Recalls: None Found
Electrical
- Infotainment System Issues
- Description/Symptoms: Freezing, lagging, unresponsive touchscreen, Bluetooth connectivity problems, audio system malfunctions.
- Solution: Software update, replacement of the infotainment system module.
- Estimated Cost to Fix: $100 - $1,500+
- Recalls: None Found
- Battery Drain
- Description/Symptoms: Battery draining overnight or within a few days of non-use. Difficulty starting the vehicle.
- Solution: Diagnosis of parasitic draw to identify the source. Common culprits include faulty door modules, amplifiers, or aftermarket accessories. Repairing or replacing the faulty component.
- Estimated Cost to Fix: $100 - $500+
- Recalls: None Found
Exterior
- Power Liftgate Malfunction
- Description/Symptoms: Liftgate not opening or closing properly, beeping sounds, error messages on the dashboard.
- Solution: Replacement of the liftgate struts, latch, or motor. Reprogramming the liftgate module.
- Estimated Cost to Fix: $200 - $800+
- Recalls: None Found
Interior
- Cracked Dashboard
- Description/Symptoms: Cracks appearing on the dashboard surface, particularly in warmer climates.
- Solution: Dashboard replacement.
- Estimated Cost to Fix: $1,000 - $2,000+
- Recalls: None Found
Summary
The 2019 GMC Yukon XL can suffer from a variety of issues. The most concerning are related to the engine (AFM lifter failure, oil consumption) and transmission (rough shifting), as these can be costly to repair. Electrical gremlins and suspension problems are also not uncommon. While some issues are minor and relatively inexpensive to fix, others can be quite severe and result in significant repair bills. Potential buyers should be aware of these common problems and have the vehicle thoroughly inspected by a qualified mechanic before purchasing.