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VIN Decoded

1GTDK14K0LZ531325

1990 GMC Sierra

Vehicle Summary

The 1990 GMC Sierra is a robust pickup truck featuring a powerful 5.7L V8 engine with a displacement of 5700 CC, providing a dynamic driving experience with its 4WD capability. This model, manufactured by GENERAL MOTORS LLC in Fort Wayne, Indiana, is equipped with a hydraulic brake system and throttle body fuel injection. It offers a sturdy build with a 2-door configuration and falls under the Class 1D weight rating. The Sierra is noted for its potential LPG conversion, making it versatile for different fuel preferences.

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Make

GMC

Model

Sierra

Year

1990

Engine

5.7L

Complete Specifications

25 specs

Make GMC

Manufacturer Name GENERAL MOTORS LLC

Model Sierra

Model Year 1990

Plant City FORT WAYNE

Series 1/2 Ton Nominal

Vehicle Type TRUCK

Plant Country UNITED STATES (USA)

Plant Company Name NA - Truck Platform

Plant State INDIANA

Series2 Conventional Cab

Body Class Pickup

Doors 2

Gross Vehicle Weight Rating From Class 1D: 5,001 - 6,000 lb (2,268 - 2,722 kg)

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

Brake System Type Hydraulic

Engine Number of Cylinders 8

Displacement (CC) 5700.0

Displacement (CI) 347.83534133997

Displacement (L) 5.7

Fuel Type - Primary Gasoline

Engine Configuration V-Shaped

Fuel Delivery / Fuel Injection Type Throttle Body Fuel Injection (TBI)

Other Engine Info LPG conversion can be accomplished on the engine.

Engine Manufacturer CPC

Known Issues for This Vehicle

Brake fluid leaks

Hydraulic brake systems rely on brake fluid, and leaks can cause a loss of braking power.

Brake fade

Overheating of brake components can reduce braking effectiveness.

Brake pedal feels spongy

Air in the brake lines can cause a spongy brake pedal feel.

Vibration or pulsation during braking

Warped brake rotors can cause vibrations or pulsations when braking.

Engine misfires

Worn spark plugs, faulty ignition coils, or fuel delivery issues can cause the V8 engine to misfire.

Excessive oil consumption

Worn piston rings or valve seals can lead to higher oil consumption.

Overheating

A malfunctioning thermostat, radiator issues, or coolant leaks can cause the engine to overheat.

Timing chain/belt issues

Worn or broken timing chains/belts can lead to engine performance problems or failure.

Fuel system issues

Problems with the fuel pump, fuel injectors, or fuel filter can lead to poor engine performance.

Lpg conversion complications

Improperly installed or maintained LPG systems can cause performance and reliability issues.

Transmission problems

Issues with the transmission, such as hard shifting or slipping gears, can affect overall vehicle performance.

Rust and corrosion

Given the vehicle's age, rust and corrosion can be prevalent, especially in the brake lines and body panels.

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