1GTEC14T74Z317637

The 2004 GMC Sierra 1500 is a robust pickup truck powered by a 5.3L V8 LM7 Iron engine, delivering reliable performance through its multipoint fuel injection system. With a 4x2 drive type and a gross vehicle weight rating of up to 7,000 lbs, this two-door truck is built for both utility and durability. Manufactured in Fort Wayne Assembly, Indiana, this Sierra model epitomizes the strength and reliability GMC is known for.

Decoded VIN:

Make

GMC

Manufacturer Name

GENERAL MOTORS LLC

Model

Sierra

Model Year

2004

Plant City

ROANOKE

Series

1500 (1/2 Ton)

Vehicle Type

TRUCK

Plant Country

UNITED STATES (USA)

Plant Company Name

Fort Wayne Assembly

Plant State

INDIANA

Body Class

Pickup

Doors

Gross Vehicle Weight Rating From

Class 2E: 6,001 - 7,000 lb (2,722 - 3,175 kg)

Drive Type

4x2

Brake System Type

Hydraulic

Engine Number of Cylinders

Displacement (CC)

5300.0

Displacement (CI)

323.42584370208

Displacement (L)

5.3

Engine Model

LM7 Iron

Fuel Type - Primary

Gasoline

Engine Configuration

V-Shaped

Fuel Delivery / Fuel Injection Type

Multipoint Fuel Injection (MPFI)

Most common problems:

Brake fluid leaks

Hydraulic brake systems rely on fluid to transmit force; leaks can lead to a loss of braking power or complete brake failure.

Brake pad wear

Regular use causes brake pads to wear out, requiring replacement to maintain effective braking.

Brake rotor issues

Rotors can become warped or excessively worn, leading to vibrations or reduced braking efficiency.

Oil consumption

The LM7 Iron V8 engine may consume more oil as it ages, necessitating more frequent oil checks and changes.

Cylinder misfires

Due to wear and tear, the V8 engine might experience misfires in one or more cylinders, affecting performance and fuel efficiency.

Intake manifold gasket failure

Over time, the intake manifold gaskets can fail, leading to coolant leaks and engine overheating.

Fuel injector problems

Fuel injectors may become clogged or fail, resulting in poor engine performance and reduced fuel economy.

Timing chain wear

The timing chain can stretch or wear out over time, which may lead to engine timing issues and necessitate replacement.

Cooling system leaks

Radiators, hoses, and water pumps can develop leaks, leading to engine overheating if not promptly addressed.

Transmission issues

The transmission may develop problems such as slipping, hard shifts, or delayed engagement, especially as the vehicle ages.

Throttle body issues

Carbon buildup in the throttle body can cause poor acceleration and rough idling.

Electrical problems

Aging vehicles can experience various electrical issues such as faulty sensors, wiring problems, or alternator failures.

Fuel pump failure

The fuel pump can wear out, leading to issues with starting the vehicle or maintaining power under load.

LATEST VINS

VIN EXPLORER