1GCEC19TX3Z213201

The 2003 Chevrolet Silverado 1500 is a robust pickup truck featuring a V-shaped LM7 Iron engine with 8 cylinders and a displacement of 5.3 liters. With its extra cab type and 4x2 drive, it offers versatility and power, making it ideal for both work and leisure. Manufactured in Fort Wayne, Indiana, this model boasts multipoint fuel injection and caters to those needing a reliable truck with a gross vehicle weight rating in the Class 2E range.

Decoded VIN:

Make

CHEVROLET

Manufacturer Name

GENERAL MOTORS LLC

Model

Silverado

Model Year

2003

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

Gross Vehicle Weight Rating From

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

Cab Type

Extra/Super/Quad/Double/King/Extended

Drive Type

4x2

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:

Oil consumption

The LM7 Iron V8 engines are known to consume oil at higher rates, which can lead to low oil levels if not monitored regularly.

Intake manifold gasket leaks

This issue is common and can result in vacuum leaks, causing poor engine performance and rough idling.

Knock sensors failure

The knock sensors on these engines can fail, leading to reduced engine performance and potential damage if not addressed.

Fuel injector problems

Over time, fuel injectors may become clogged or fail, resulting in poor fuel economy and engine misfires.

Cooling system issues

The cooling system, including the water pump and radiator, can develop leaks or fail, leading to overheating problems.

Throttle body problems

The throttle body can become dirty or fail, causing issues with acceleration and engine performance.

Camshaft position sensor failure

This sensor can fail, leading to engine misfires, stalling, and difficulty starting the vehicle.

Timing chain wear

Over time, the timing chain can stretch or wear out, leading to timing issues and potential engine damage if not replaced.

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