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Cadillac Seville STS Problems

The Cadillac Seville STS is a luxury-type car manufactured by the Cadillac division of General Motors as a smaller sized top-of-the-line Cadillac. The Seville was lighter; thus more nimble and easier to park. However, just like other cars, the Cadillac Seville can have problems. When owners are faced with problems, questions arise. Read below the questions that have been answered by Experts.

In a Cadillac Seville STS, what is the procedure to remove the rear seat to access the battery

In order to remove the rear seat, one needs to grasp the forward lip of the seat bottom and give it a quick tug upwards starting with the area in front of the right seating position. If there are seat heaters, there is a simple one plug connector on the right side which can be easily unlatched, or you can just raise the seat up out of the way.

Why is it important to have a good battery in a Cadillac Seville STS?

It is always important to have a good battery because these cars are very sensitive to voltage fluctuation.

What is the purpose of a scan tool in the 96 Cadillac Seville STS?

A scan tool is a handheld communication device that "talks" to your car. It has the ability to instruct the computers to do things.

Can the trouble codes be retrieved without a scan tool in a Cadillac Seville STS?

The trouble codes can be retrieved without a scan tool. While sitting in the driver’s seat, you need to press and hold the OFF and WARMER buttons until everything lights up, then release the buttons. After some time, the dash should start reporting all the codes in the car. Keep a paper and pencil ready to take them down.

If the water temperature rises and falls frequently on a 60 mile trip in a Cadillac Seville STS, what could be the problem and how can it be fixed?

The problem could be with the radiator and hence, it may need to be replaced. The cap could be allowing air to get into the cooling system which could be the cause of the overheating. A new cap could cost around 14 dollars from a local parts store.

What does the code 420 in a Cadillac Seville STS relate to?

This code relates to the operation of the catalytic converter chemically. It is monitored by the post converter oxygen sensor.

Can a 94 Cadillac Seville STS 4.6 Northstar engine be installed in a 93 Cadillac Seville STS?

The two engines are not interchangeable, so the electronics and wiring may not work.

Can the head gasket on a 1999 Cadillac Seville STS be replaced without pulling out the engine?

In order to replace the head gasket, the engine needs to be removed as there may not be enough clearance. The a/c system will need to be discharged.

How could the Intermediate steering shaft in the Cadillac Seville STS be replaced?

The steering column needs to be removed, and the vehicle raised and supported. After that, the left front tire could be removed. The pinch bolt at the power steering gear stub shaft should be removed. Then the intermediate shaft from the power steering gear stub shaft could be removed, and finally the intermediate steering shaft.

The intermediate shaft to the power steering gear stub shaft could be installed. The pinch bolt should be installed to the power steering gear stub shaft. The power steering gear pinch bolt needs to be tightened to 47 Nm (35 ft. lbs.). Then the left front tire could be installed, and the vehicle lowered. The steering wheel could then be installed.

The Cadillac Seville STC is a small sized car and very easy to park. Though quite popular because of its comfort, unawareness of how to handle issues that arise from time to time may lead to questions. When questions arise, it is best to seek help and guidance from an Expert.
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