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The 2020 GMC Sierra SLT is a robust 4WD truck powered by a 6.2L V8 engine with 6200 CC displacement. It comes standard with Dynamic Brake Support (DBS), Anti-lock Braking System (ABS), and a backup camera. Optional features include Lane Departure Warning (LDW), Forward Collision Warning (FCW), and Adaptive Cruise Control (ACC). The truck is built in Fort Wayne, Indiana, and features a Crew Cab configuration.

Decoded VIN:

Make

GMC

Manufacturer Name

GENERAL MOTORS LLC

Model

Sierra

Model Year

2020

Plant City

FORT WAYNE

Series

1500

Trim

SLT

Vehicle Type

TRUCK

Plant Country

UNITED STATES (USA)

Plant State

INDIANA

Body Class

Pickup

Doors

Gross Vehicle Weight Rating From

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

Cab Type

Crew/Super Crew/Crew Max

Number of Wheels

Wheel Size Front (inches)

Wheel Size Rear (inches)

Drive Type

4WD/4-Wheel Drive/4x4

Brake System Type

Hydraulic

Engine Number of Cylinders

Displacement (CC)

6200.0

Displacement (CI)

378.34721338734

Displacement (L)

6.2

Engine Model

L87 - DI DFM, ALUM, GEN 5

Fuel Type - Primary

Gasoline

Engine Configuration

V-Shaped

Seat Belt Type

Manual

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)

Optional

Crash Imminent Braking (CIB)

Optional

Blind Spot Warning (BSW)

Optional

Forward Collision Warning (FCW)

Optional

Lane Departure Warning (LDW)

Optional

Lane Keeping Assistance (LKA)

Optional

Backup Camera

Standard

Parking Assist

Optional

Dynamic Brake Support (DBS)

Standard

Pedestrian Automatic Emergency Braking (PAEB)

Optional

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)

Optional

Rear Cross Traffic Alert

Optional

Most common problems:

Brake fluid leaks

Hydraulic brake systems rely on brake fluid to transfer force from the brake pedal to the brake components. Leaks can lead to reduced braking efficiency and potential brake failure.

Brake fade

Extended usage, especially under heavy load or during downhill driving, can cause the brake system to overheat, leading to reduced braking power.

Brake pedal issues

A spongy or soft brake pedal can indicate air in the brake lines or issues with the master cylinder.

Abs malfunction

The anti-lock braking system (ABS) can experience sensor failures or electrical issues, leading to diminished effectiveness in preventing wheel lockup.

Warped brake rotors

Over time, brake rotors can warp due to excessive heat, causing vibrations or pulsations when braking.

Brake pad wear

Brake pads wear out over time and need regular replacement to ensure effective braking performance.

Engine misfires

The V-shaped, 8-cylinder L87 engine may experience misfires due to issues with ignition coils, spark plugs, or fuel injectors.

Oil consumption

Some users report higher-than-expected oil consumption in the L87 engine, necessitating frequent oil level checks and top-offs.

Timing chain issues

The L87 engine might encounter problems with the timing chain, including stretching or premature wear, which can affect engine timing and performance.

Fuel system problems

Issues with the direct fuel injection system can lead to poor fuel economy, rough idling, or difficulty starting the engine.

Cooling system failures

Overheating problems due to radiator, water pump, or thermostat failures can cause significant engine damage if not addressed promptly.

Transmission problems

The GMC Sierra is known to have issues with its transmission, including hard shifts, slipping, or delayed engagement.

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