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2003 GMC Sierra 2500 HD SLE 6.6L 1st Gear
I have this 2003 GMC 2500 HD it has the Allison tranny shutters when taking off from stop under 10 mph or until it shifts [...] problem on down shift. after that no problems. no codes are stored. we serviced trans fluid and filter Dextron iii and allison spin ...
FIX posted 9/19/2012
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Message Closed w/FIX
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8 Replies Received
8 Replies Received
Related Documents & Media | VIN | 1GTHK23113 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | 1st Gear |
| Conditions | Shutters |
Message Closed w/FIX
Vehicle Data
2003 GMC Sierra 2500 HD SLE
| VIN | 1GTHK23113 |
| Engine | 6.6 L / 8 cyl / DIESEL |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Affected | 1st Gear |
| Conditions | Shutters |
Video