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The 1991 Chevrolet Blazer is a robust 2-door SUV/MPV with a V8 engine and a displacement of 5.7 liters. It features a 4WD system, making it ideal for off-road adventures. Manufactured by General Motors in Flint, Michigan, this model is part of the 1/2 Ton Nominal series and supports LPG conversion.

Decoded VIN:

Make

CHEVROLET

Manufacturer Name

GENERAL MOTORS LLC

Model

Blazer

Model Year

1991

Plant City

FLINT

Series

1/2 Ton Nominal

Vehicle Type

MULTIPURPOSE PASSENGER VEHICLE (MPV)

Plant Country

UNITED STATES (USA)

Plant Company Name

NA - Truck Platform

Plant State

MICHIGAN

Series2

Conventional Cab

Body Class

Sport Utility Vehicle (SUV)/Multi-Purpose Vehicle (MPV)

Doors

Gross Vehicle Weight Rating From

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

Drive Type

4WD/4-Wheel Drive/4x4

Brake System Type

Hydraulic

Engine Number of Cylinders

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

Most common problems:

Brake fluid leaks

Hydraulic brake systems rely on brake fluid to function. Leaks can cause a loss of pressure, leading to reduced braking effectiveness.

Brake fade

Overheating of the brake system can cause a temporary reduction in braking power, especially under heavy use.

Brake pedal issues

Problems such as a soft brake pedal or a pedal that goes to the floor can indicate issues with the master cylinder or air in the brake lines.

Engine overheating

V-shaped engines, particularly older models like the 1991 Chevrolet Blazer, can overheat due to issues with the cooling system such as a failing water pump or clogged radiator.

Oil leaks

V8 engines can develop oil leaks over time from gaskets and seals, which can lead to decreased oil pressure and potential engine damage.

Ignition system problems

Older vehicles may experience issues with the distributor, spark plugs, or ignition coils, causing misfires or difficulty starting.

Fuel delivery issues

Issues with the fuel pump or fuel injectors can lead to poor engine performance or stalling.

Exhaust manifold cracks

V8 engines can experience cracks in the exhaust manifold, leading to exhaust leaks and potentially harmful emissions.

Lpg conversion complications

While the engine can be converted to LPG, improper conversion can lead to performance issues, fuel system damage, or engine wear.

Timing chain/belt wear

Over time, the timing chain or belt can wear out and may need replacement to prevent engine timing issues.

Vacuum leaks

V-shaped engines often have numerous vacuum lines that can develop leaks, leading to poor engine performance and idle issues.

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