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2003 Pontiac Bonneville SLE 3.8L Tranny
Posted to GM Transmission on 10/13/2010 15 Replies

I have this 03 Bonniville with a 4T65 tranny and it makes a whining noise that gets worse as the line pressure raises the noise goes away when in park or netral. I can pressurize at a dead stop and it will whine. I pulled the trans out thinking it was the need...

15 Replies Received (View Replies)

  Related Documents & Media  2003 Pontiac Bonneville SLE

 
Message Closed w/FIX

car Vehicle Data

2003 Pontiac Bonneville SLE

VIN 1G2HY54K13
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTranny
ConditionsNoise
Message Closed w/FIX

car Vehicle Data

2003 Pontiac Bonneville SLE

VIN 1G2HY54K13
Engine3.8 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTranny
ConditionsNoise