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The 1996 Buick Roadmaster Estate Wagon is a classic passenger car featuring a V-shaped 8-cylinder LT1 engine, designed by WRN, with a displacement of 5.7 liters. Manufactured by General Motors LLC in Arlington, Texas, this wagon offers a spacious four-door design, equipped with first-row airbags for the driver and passenger. It utilizes a multipoint fuel injection system, running on gasoline, and falls under the Class 1 gross vehicle weight rating. Known for its durability and spacious interior, it remains a nostalgic choice among wagon enthusiasts.

Decoded VIN:

Make

BUICK

Manufacturer Name

GENERAL MOTORS LLC

Model

Roadmaster

Model Year

1996

Plant City

ARLINGTON

Series

Estate Wagon

Vehicle Type

PASSENGER CAR

Plant Country

UNITED STATES (USA)

Plant Company Name

NA-MCD

Plant State

TEXAS

Body Class

Wagon

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

Engine Model

LT1

Fuel Type - Primary

Gasoline

Engine Configuration

V-Shaped

Fuel Delivery / Fuel Injection Type

Multipoint Fuel Injection (MPFI)

Engine Manufacturer

WRN

Seat Belt Type

Manual

Front Air Bag Locations

1st Row (Driver and Passenger)

Most common problems:

Oil leaks

V-shaped engines, including the WRN LT1, can develop oil leaks around valve cover gaskets and oil pan gaskets due to aging seals.

Optispark ignition issues

The LT1 engine is known for issues with the Optispark ignition system, which can lead to misfires and poor engine performance.

Water pump failure

The water pump on the LT1 engine is prone to failure, which can cause overheating if not addressed.

Intake manifold gasket leaks

V8 engines like the LT1 can experience intake manifold gasket leaks, leading to coolant and oil mixing.

Exhaust manifold cracks

Exhaust manifolds on older engines can crack over time, causing exhaust leaks and reduced performance.

Timing chain wear

High mileage on V8 engines can lead to timing chain wear, which affects engine timing and performance.

Piston slap

The LT1 engine can suffer from piston slap, especially when cold, resulting in a knocking noise.

Egr valve problems

The Exhaust Gas Recirculation (EGR) valve can clog or fail, affecting emissions and engine efficiency.

Fuel injector clogs

Fuel injectors can become clogged over time, leading to poor fuel delivery and engine performance.

Coolant leaks

The cooling system in older engines can develop leaks from hoses, radiators, or the water pump.

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