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2008 GMC Yukon XL 1500 SLE 5.3L Transmission 1-2 shift 3-4 shift
Posted to GM Transmission on 6/20/2019 9 Replies

We removed driveshaft to drop fuel tank. fuel lines were leaking. replaced lines, re-installed tank and shaft and topped off transfer case. Now after road testing truck shifting erratic almost like slipping. Problem did not exist before. GM Transmission in...

9 Replies Received (View Replies)

  Related Documents & Media  2008 GMC Yukon XL 1500 SLE

 
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car Vehicle Data

2008 GMC Yukon XL 1500 SLE

VIN 1GKFK16388
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTransmission 1-2 Shift 3-4 Shift
ConditionsErratic Shifting, Slip?
Message Closed

car Vehicle Data

2008 GMC Yukon XL 1500 SLE

VIN 1GKFK16388
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTransmission 1-2 Shift 3-4 Shift
ConditionsErratic Shifting, Slip?