Aisin AF33 transmission
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Aisin AF33 transmission
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The Aisin AF33 is a 5-speed automatic transaxle. It is designed to be used in transverse engine configurations and can handle up to 243 ft·lbf (329 N·m) of torque. It is built in Anjo, Japan.
The AF33 designation is only used by GM, whereas the actual model codes are AW55-50SN(FWD) and AW55-51SN(AWD). The AW55 designation is used by Volvo and other automakers.
Gear ratios:
| 1 | 2 | 3 | 4 | 5 | R |
|---|---|---|---|---|---|
| 4.69 | 2.94 | 1.92 | 1.30 | 1.00 | 3.18 |
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Contents
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Maintenance
Volvo owners manuals list the transmission as fill for life, meaning that there are no scheduled transmission fluid changes under normal operating conditions. This is controversial and believed by some to be a major contributing factor to increased valve body wear, eventually causing transmission problems that require valve body repair or replacement, and possible transmission overhaul or replacement.
Transmission experts recommend regular fluid changes, at least every 50,000 miles. Special fluid must be used. If incorrect fluid is used it will result in improper operation and eventual transmission failure.
Fluid
Fluid must meet the JWS 3309 specification. Dealers carry this fluid under varying designations.
Applications
- 2006– Pontiac Torrent (GM code M09 (FWD), M45 (AWD))
- 2004– Chevrolet Equinox (GM code M09 (FWD), M45 (AWD))
- 2004 Saturn Ion (GM code M43)
- 2003–2005(?) Volvo XC90 2.5T engine only
- 2002–2008 Lancia Thesis
- 2002–2008 Opel Vectra C and Opel Signum
- 2002–2003 Saturn Vue V6
- 2003-2007 Saab 9-3 (GM code M09)
- 2004-2006 Nissan Maxima, Nissan Quest, Nissan Altima under Nissan part number RE5F22A, built by Aisin
- 2001-2007 Renault Laguna V6 and 2.2dci (code SU1)
- 2001-2005(?) Volvo S60
- 2004 Volvo S80 (2.5T)
- 2006– Volvo C30, S40, V50 (T5)
- 2000 Volvo V70
- 2007-2008 Suzuki XL7
See also
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