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VIN Decoded

1GT49PEY1RF131270

2024 GMC Sierra HD

Vehicle Summary

The 2024 GMC Sierra HD AT4 is a robust pickup truck powered by a 6.6L V8 Duramax diesel engine with turbocharging, offering 4WD. It comes loaded with advanced safety features including Dynamic Brake Support, Lane Departure Warning, Forward Collision Warning, and Blind Spot Warning. With a gross vehicle weight rating in Class 3, it’s built for heavy-duty performance. Additional highlights include Adaptive Cruise Control, a backup camera, and LED headlamps.

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Make

GMC

Model

Sierra HD

Year

2024

Engine

6.6L

Complete Specifications

50 specs

Make GMC

Manufacturer Name GENERAL MOTORS LLC

Model Sierra HD

Model Year 2024

Plant City FLINT

Series 2500

Trim AT4

Vehicle Type TRUCK

Plant Country UNITED STATES (USA)

Plant State MICHIGAN

Body Class Pickup

Gross Vehicle Weight Rating From Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)

Drive Type 4WD/4-Wheel Drive/4x4

Brake System Type Hydraulic

Engine Number of Cylinders 8

Displacement (CC) 6600.0

Displacement (CI) 402.75671102523

Displacement (L) 6.6

Engine Model L5P

Fuel Type - Primary Diesel

Engine Configuration V-Shaped

Other Engine Info DI, DURAMAX, GEN 5 VAR. 1

Turbo Yes

Seat Belt Type Manual

Other Restraint System Info AY0 - Active Manual Belts

Curtain Air Bag Locations All Rows

Front Air Bag Locations 1st Row (Driver and Passenger)

Side Air Bag Locations 1st Row (Driver and Passenger)

Anti-lock Braking System (ABS) Standard

Electronic Stability Control (ESC) Standard

Traction Control Standard

Tire Pressure Monitoring System (TPMS) Type Direct

Auto-Reverse System for Windows and Sunroofs Standard

Keyless Ignition Standard

Adaptive Cruise Control (ACC) Standard

Crash Imminent Braking (CIB) Standard

Blind Spot Warning (BSW) Standard

Forward Collision Warning (FCW) Standard

Lane Departure Warning (LDW) Standard

Backup Camera Standard

Parking Assist Standard

Dynamic Brake Support (DBS) Standard

Pedestrian Automatic Emergency Braking (PAEB) Standard

Automatic Crash Notification (ACN) / Advanced Automatic Crash Notification (AACN) Standard

Daytime Running Light (DRL) Standard

Headlamp Light Source LED

Semiautomatic Headlamp Beam Switching Standard

Rear Cross Traffic Alert Standard

Rear Automatic Emergency Braking Standard

Blind Spot Intervention (BSI) Standard

Known Issues for This Vehicle

Brake fluid leaks

Hydraulic brake systems rely on fluid to transfer force. Leaks could lead to reduced braking efficiency.

Brake fade

Extended or heavy braking can cause overheating and reduce braking power.

Air in brake lines

Air bubbles in hydraulic brake lines can cause a spongy brake pedal and reduced braking performance.

Faulty brake booster

A malfunctioning brake booster can result in a hard brake pedal and reduced braking assistance.

Worn brake pads/rotors

Regular wear and tear can lead to diminished braking performance and increased stopping distances.

Engine misfire

V-shaped engines with multiple cylinders, like the L5P, can experience misfires due to ignition or fuel delivery issues.

Injector issues

Direct Injection (DI) systems can suffer from clogging or failure of fuel injectors, affecting performance and fuel economy.

Turbocharger problems

If equipped, turbochargers in Duramax engines can encounter issues such as oil leaks or bearing failures.

Emissions system faults

Diesel engines often have complex emissions control systems (e.g., DPF, EGR) that can fail or become clogged.

Overheating

Issues with the cooling system, such as radiator or water pump failures, can lead to engine overheating.

Electrical issues

Modern engines with advanced electronics can encounter problems with sensors, wiring, or control modules.

Fuel contamination

Diesel engines are particularly sensitive to fuel quality, and contamination can cause extensive damage.

Dpf (diesel particulate filter) clogging

The DPF can become clogged, leading to reduced engine performance and increased emissions.

Timing chain/belt problems

Over time, the timing chain or belt can wear out, leading to potential engine timing issues and failures.

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