Vehicle Overview
GMC redesigned its full-size vans for the first time in seven years for the 2003 model year. The 2003 Savanas got upgraded powertrains, fresh features and an updated appearance. Three industry firsts in full-size vans were available: all-wheel drive, an optional left-side door and unique side access panels for use on commercial vans. Front-end styling was revised to give the Savana a greater family resemblance to other General Motors' trucks.
GM's StabiliTrak electronic stability system was added to 15-passenger models in 2004. Chevrolet's Express is closely related to the Savana and sells far better. For 2005, StabiliTrak is also standard on regular-wheelbase 12-passenger vans.
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TPMS Malfunction Light and Message
The TPMS will not function properly if one or more of the TPMS sensors are missing or inoperable. When the system detects a malfunction, the low tire warning light flashes for about one minute and the ...
Front Axle
The front axle engages and disengages automatically when you shift the transfer case. Some delay for the axle to engage or disengage is normal. ...
How to Check
Use a good quality pocket-type gauge to check tire pressure. Proper tire inflation
cannot be determined by looking at the tire. Check the tire inflation pressure when
the tires are cold, meaning t ...