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The 2023 GMC Sierra AT4 boasts a powerful 3.0L LZ0 diesel engine with a displacement of 3000 CC. It comes standard with advanced safety features like Dynamic Brake Support, Lane Departure Warning, Forward Collision Warning, and Pedestrian Automatic Emergency Braking. Optional features include Rear Automatic Emergency Braking, Adaptive Cruise Control, and Blind Spot Warning. Built in Fort Wayne, Indiana, this 4WD truck is designed for both performance and safety.

Decoded VIN:

Make

GMC

Manufacturer Name

GENERAL MOTORS LLC

Model

Sierra

Model Year

2023

Plant City

FORT WAYNE

Series

1500

Trim

AT4

Vehicle Type

TRUCK

Plant Country

UNITED STATES (USA)

Plant State

INDIANA

Body Class

Pickup

Gross Vehicle Weight Rating From

Class 2F: 7,001 - 8,000 lb (3,175 - 3,629 kg)

Drive Type

4WD/4-Wheel Drive/4x4

Brake System Type

Hydraulic

Engine Number of Cylinders

Displacement (CC)

3000.0

Displacement (CI)

183.07123228419

Displacement (L)

3.0

Engine Model

LZ0

Fuel Type - Primary

Diesel

Valve Train Design

Dual Overhead Cam (DOHC)

Engine Configuration

In-Line

Other Engine Info

CRI, L6, VGT, ALUM, CSS50V, VAR 2

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

Optional

Event Data Recorder (EDR)

Standard

Keyless Ignition

Standard

Adaptive Cruise Control (ACC)

Optional

Crash Imminent Braking (CIB)

Standard

Blind Spot Warning (BSW)

Optional

Forward Collision Warning (FCW)

Standard

Lane Departure Warning (LDW)

Standard

Lane Keeping Assistance (LKA)

Standard

Backup Camera

Standard

Parking Assist

Optional

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

Adaptive Driving Beam (ADB)

Standard

Rear Cross Traffic Alert

Optional

Rear Automatic Emergency Braking

Optional

Most common problems:

Brake fluid leaks

Hydraulic brake systems rely on brake fluid to function properly. Leaks can lead to a loss of braking power.

Brake fade

Continuous use of brakes, especially in heavy vehicles like a GMC Sierra, can cause the brake components to overheat and lose effectiveness.

Air in brake lines

Air bubbles in the hydraulic brake lines can compromise braking efficiency, leading to a spongy brake pedal feel.

Worn brake pads or rotors

Regular wear and tear can cause brake pads and rotors to degrade, reducing braking performance.

Electronic brake control issues

The Dynamic Brake Support (DBS) system can experience malfunctions, such as sensor failures or software glitches, impacting braking assistance.

Turbocharger problems

The VGT (Variable Geometry Turbocharger) in the LZ0 engine can suffer from issues like sticking vanes or actuator failures, affecting engine performance.

Injector issues

The CRI (Common Rail Injection) system can have problems like injector clogging or failure, leading to poor engine performance or fuel economy.

Cooling system leaks

The aluminum components in the engine can develop leaks over time, leading to overheating and potential engine damage.

Timing chain wear

In an in-line 6-cylinder engine like the LZ0, a worn timing chain can cause misalignment of engine components, leading to poor performance or engine damage.

Exhaust gas recirculation (egr) faults

Problems with the EGR system can result in increased emissions and poor engine performance.

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