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The 1999 Cadillac Eldorado is a stylish coupe powered by a 4.6L V8 engine. Manufactured by General Motors in Hamtramck, Michigan, this vehicle features a dual overhead cam (DOHC) valve train design and sequential fuel injection (SFI). With a gross vehicle weight rating of 6,000 lbs or less, it offers both performance and luxury.

Decoded VIN:

Make

CADILLAC

Manufacturer Name

GENERAL MOTORS LLC

Model

Eldorado

Model Year

1999

Plant City

HAMTRAMCK

Vehicle Type

PASSENGER CAR

Plant Country

UNITED STATES (USA)

Plant Company Name

NA-GM Corp

Plant State

MICHIGAN

Note

Body Type: Notchback/Notchback Special (GM codes: 27, 37, 47, 57)

Body Class

Coupe

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)

4600.0

Displacement (CI)

280.70922283576

Displacement (L)

4.6

Valve Train Design

Dual Overhead Cam (DOHC)

Engine Configuration

V-Shaped

Fuel Delivery / Fuel Injection Type

Sequential Fuel Injection (SFI)

Other Engine Info

Name Plate: Cadillac

Engine Manufacturer

WRN1

Seat Belt Type

Manual

Front Air Bag Locations

1st Row (Driver and Passenger)

Most common problems:

Oil leaks

V-shaped engines, such as the V8 in the 1999 Cadillac Eldorado, are prone to oil leaks due to the complex gasket surfaces and multiple sealing points.

Head gasket failure

The increased pressure in V8 engines can lead to head gasket failure, which can cause coolant and oil to mix, leading to engine overheating and damage.

Timing chain wear

V8 engines can experience timing chain wear due to the high number of moving parts, which can lead to poor engine performance or even engine failure if not addressed.

Ignition coil issues

V8 engines often use individual ignition coils for each cylinder, and these can fail over time, leading to misfires and decreased engine performance.

Intake manifold gasket leaks

The intake manifold gaskets on V8 engines can deteriorate, causing vacuum leaks, rough idling, and poor fuel economy.

Cooling system problems

The V8 engine in the 1999 Cadillac Eldorado can develop cooling system issues, such as radiator or water pump failures, leading to engine overheating.

Fuel injector problems

V8 engines with multiple fuel injectors can experience injector clogs or failures, which can cause rough running and reduced power output.

Exhaust manifold cracks

The exhaust manifolds on V8 engines can crack due to high heat and stress, leading to exhaust leaks and increased engine noise.

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