Saturn Ion – Wikipedia, the free encyclopedia

12 May 2015 | Author: | Comments Off on Saturn Ion – Wikipedia, the free encyclopedia

2003–2004 [ edit ]

2005-2007 Saturn Ion coupe

The 2003 Saturn Ion Quad Coupe production car first appeared at the 2002 New York International Auto Show. The 2003 Ion came standard with a 2.2 L 140#160;hp (104#160;kW ) DOHC Ecotec I4 engine. The Ion’s instrument panel was mounted on the top center of the dashboard, rather than behind the steering wheel. The Ion is available in sedan and coupe forms; the coupe featured a set of bi-parting doors; the feature marketed as quad coupe .

A Getrag F23 5-speed manual or an Aisin AF33 5-speed automatic transmission were available. The compact 5-speed automatic had several unique characteristics. The transmission lacked an overdrive, allowing for five forward gears to be packaged in the size of a typical four-speed manual gearbox, both providing close gear ratios for better acceleration and fuel efficiency while eliminating the heat and parasitic loss generated by the additional planetary gearset.

The unit was also “fill-for-life”, meaning that it was not intended to be serviced for the life of the vehicle. The 2003 and 2004 Ion Coupes were available with the VTi continuously variable transmission or a Getrag F23 5-speed manual.

Aisin’s transmission was generally unpopular among Ion reviewers because of a so-called shift flare that was not a defect, but, nevertheless, a disorienting feature of the designed shift pattern that resulted in some drivers becoming alarmed when the transmission downshifted on a downward incline (as the driver released the gas pedal).

For 2004, Saturn also re-calibrated the electric power steering, as well as upgraded interior materials, and offered new sound systems.

2005–2006 [ edit ]

2005 Saturn Ion

In 2005, the Aisin 5-speed automatic transmission was discontinued due to a problematic trait known as shift-flare. which also occurred in other manufacturers’ cars using Aisin transmissions, such as Toyota. [ 4 ] The VTi CVT used in the quad-coupes between 2003 and 2004 was also discontinued, for reliability reasons. GM’s 4-speed 4T45-E replaced both transmissions, becoming the only available automatic transmission option.

The 2005 models also received a new steering wheel, the same one used in the 2004 Red Line model. In the middle of the 2005 model year, the seats in the base Ion1 model received upgraded fabrics and a height adjustment feature. Quiet Steel multilaminate sound-reduction technology was also introduced in 2005.

Cosmetic changes included an upgraded fascia with a larger grille opening and redesigned wheel covers and redesigned alloy wheel offerings. Under the hood, an acoustic engine cover was added to the engine bay to reduce noise emissions.

2006 also saw the 170#160;hp (127#160;kW), 162#160;lb·ft (220#160;N·m) torque, 2.4 L I4 engine with variable valve timing become available for the Ion3. Along with that, the Ion 1 was also discontinued for 2006. [ 5 ]

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