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The 1991 Cadillac Brougham is a classic sedan powered by a robust 5.7L V8 engine with throttle body fuel injection. Manufactured by General Motors in Arlington, Texas, this luxury vehicle features four doors and automatic seat belts. Ideal for those seeking a blend of power and elegance, it runs on gasoline and has a gross vehicle weight rating of up to 6,000 lbs.

Decoded VIN:

Make

CADILLAC

Manufacturer Name

GENERAL MOTORS LLC

Model

Brougham

Model Year

1991

Plant City

ARLINGTON

Vehicle Type

PASSENGER CAR

Plant Country

UNITED STATES (USA)

Plant Company Name

NA - MCD

Plant State

TEXAS

Body Class

Sedan/Saloon

Doors

Gross Vehicle Weight Rating From

Class 1: 6,000 lb or less (2,722 kg or less)

Gross Vehicle Weight Rating To

Class 1: 6,000 lb or less (2,722 kg or less)

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)

Engine Manufacturer

CPC

Seat Belt Type

Automatic

Most common problems:

Oil leaks

V-shaped engines like the one in your 1991 CADILLAC Brougham are prone to oil leaks, especially around the valve cover gaskets and oil pan.

Cooling issues

V8 engines generate a lot of heat, which can lead to cooling system problems like radiator leaks, thermostat failures, or water pump issues.

Ignition system problems

The ignition components, such as spark plugs, wires, and the distributor, can wear out over time, leading to poor engine performance and misfires.

Timing chain wear

Over time, the timing chain in a V8 engine can stretch or wear out, affecting engine timing and performance.

Fuel injector clogging

V8 engines require precise fuel delivery, and clogged injectors can lead to uneven fuel distribution and poor engine performance.

Vacuum leaks

V-shaped engines have complex intake manifold designs that can develop vacuum leaks, affecting engine idle and performance.

Exhaust manifold cracks

The exhaust manifolds on V8 engines can crack over time due to heat cycles, leading to exhaust leaks and reduced engine efficiency.

Engine mounts wear

The weight and torque of a V8 engine can cause engine mounts to wear out, leading to increased engine vibration and noise.

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