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2008 Chevrolet Express 3500 6.0L Overdrive
Posted to GM Transmission on 8/10/2010 4 Replies

When driving at approx 50-60 km/hr with transmission in overdrive position will hear a high pitch whine noise on decell. Noise will go away when trans is manually shifted into 3rd. Did notice that whine seems to be more pronounced with tow/haul switch in the o...

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  Related Documents & Media  2008 Chevrolet Express 3500

 
Message Closed w/FIX

car Vehicle Data

2008 Chevrolet Express 3500

VIN 1GBKG31K28
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedOverdrive
ConditionsWhine on Decel
Misc.Motorhome Chassis, 4L85e Transmission
Message Closed w/FIX

car Vehicle Data

2008 Chevrolet Express 3500

VIN 1GBKG31K28
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedOverdrive
ConditionsWhine on Decel
Misc.Motorhome Chassis, 4L85e Transmission