2003 chevy lumina manual

Unfortunately, vacuum gauge readings are easy to misinterpret, so they should be used in conjunction with other tests to confirm the diagnosis. Both the gauge readings and the rate of needle movement are important for accurate interpretation. Most gauges measure vacuum in inches of mercury in-Hg. As vacuum increases or atmospheric pressure decreases , the reading will increase. Also, for every 1,foot increase in elevation above sea level, the gauge readings will decrease about one inch of mercury.

Connect the vacuum gauge directly to intake manifold vacuum. Be sure no hoses are left disconnected during the test or false readings will result. Before you begin the test, allow the engine to warm up completely.

Block the wheels and set the parking brake. With the transmission in Park, start the engine and allow it to run at normal engine speed. The electrical system is a volt, negative ground type. This chapter covers repair and service procedures for the various electrical components not associated with the engine.

Information on the battery, alternator, ignition system and starter motor can be found in Chapter 5. The model was manufactured at the now-idle plant in Northern Tarrytown. The platform of the car called U-body consisted of a frame made of galvanized steel, which was wrapped in composite plastic panels made of fiberglass. These panels were resistant to rust, minimal cuts and dents. This technology was developed for the Pontiac Fiero and was widely used on the Saturn line of the General Motors division.

Lumina APV was available with seven seats, with five identical lightweight 15 kg rear seats, which in turn were easily removable and interchangeable. Lumina APV for commercial use was provided by a three-seat minivan equipped with rubber floor, instead of the usual carpet. The rear seats were completely removed, and instead of the rear windows, solid plastic panels were used to match the body color.

Special sets with hoses for pumping wheels, inflatable mattresses, as well as kits with sports equipment and the like were also available. In , the remote control function for the rear side sliding door was added.

This was the innovation of General Motors. Now this function is used in any commercial vehicles or buses to this day. For the and model years, traction control functions were available on modifications from 3. Your email address will not be published. This site uses Akismet to reduce spam. Learn how your comment data is processed. If you have any questions, please contact with us. Related Posts. Chevrolet Diagnostic Trouble Codes.

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