Buick Car and SUV Repair Questions and Answers

Buick Motor Company was incorporated in 1903 in Flint Michigan.

It first sold cars in 1904. Buick soon became the largest

auto company in the U.S. After purchasing several other

automobile makers, the company became know as General Motors.


Buick vehicles.

Here is a list of auto repair questions and answers.

Click on your model to read the articles.

Subcategories

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How Things Work

Basic Power Steering Operation- Hydraulic

The hydraulic power steering pump is a constant displacement vane-type pump that provides hydraulic pressure and flow for the power steering gear. The hydraulic power steering pumps are either belt-driven or direct-drive, cam-driven.

The power steering fluid reservoir holds the power steering fluid and may be integral with the power steering pump or remotely located. The following locations are typical locations for the remote reservoir:

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Common Engine Codes

Throttle Position Sensor Code P0121, P0122 and P0123

The throttle position (TP) sensor is used by the powertrain control module (PCM) to determine the throttle plate angle for various engine management systems. The TP sensor is a potentiometer type sensor with three circuits: a 5-volt reference, a low reference, and a signal. The PCM provides the TP sensor with a 5-volt reference circuit and a low reference circuit.

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