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The 1992 GMC Sierra is a robust pickup truck featuring a 4.3L V6 engine with throttle body fuel injection. Manufactured by General Motors in Fort Wayne, Indiana, this 4x2 truck is designed for both utility and performance. It boasts a gross vehicle weight rating of up to 6,000 lbs, making it ideal for various hauling tasks. With its conventional cab and 1/2 ton nominal trim, this Sierra is a classic choice for work and everyday driving.

Decoded VIN:

Make

GMC

Manufacturer Name

GENERAL MOTORS LLC

Model

Sierra

Model Year

1992

Plant City

FORT WAYNE

Vehicle Type

TRUCK

Plant Country

UNITED STATES (USA)

Plant Company Name

NA - Truck Platform

Plant State

INDIANA

Trim2

1/2 ton nominal

Series2

Conventional Cab

Body Class

Pickup

Doors

Gross Vehicle Weight Rating From

Class 1D: 5,001 - 6,000 lb (2,268 - 2,722 kg)

Drive Type

4x2

Brake System Type

Hydraulic

Engine Number of Cylinders

Displacement (CC)

4300.0

Displacement (CI)

262.40209960734

Displacement (L)

4.3

Fuel Type - Primary

Gasoline

Engine Configuration

V-Shaped

Fuel Delivery / Fuel Injection Type

Throttle Body Fuel Injection (TBI)

Other Engine Info

90 Degree

Engine Manufacturer

CPC

Most common problems:

Brake fluid leaks

Hydraulic brake systems rely on brake fluid to operate. Leaks can reduce the system's effectiveness, leading to decreased braking power.

Brake pedal feels spongy

Air in the hydraulic brake lines can cause the brake pedal to feel spongy or soft, reducing braking efficiency.

Warped brake rotors

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

Engine misfires

V-shaped engines, particularly older models, can develop issues like misfires due to problems with the ignition system, fuel delivery, or internal engine wear.

Oil leaks

Older V6 engines, such as the CPC V6 in a 1992 GMC Sierra, can develop oil leaks from gaskets and seals.

Coolant leaks

Over time, coolant hoses, radiators, and water pumps can wear out and develop leaks, leading to engine overheating.

Timing chain wear

In older V6 engines, the timing chain can wear out or become loose, affecting the engine's performance and potentially causing serious damage.

Fuel injector problems

Fuel injectors can become clogged or fail, leading to poor engine performance, reduced fuel economy, and engine misfires.

Worn spark plugs

Spark plugs wear out over time and can cause issues such as misfires, poor fuel economy, and reduced engine performance if not replaced regularly.

Starter motor issues

Older vehicles like the 1992 GMC Sierra can experience starter motor problems, leading to difficulty starting the engine.

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