× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
2004 GMC Envoy XUV SLT 4.2L Rear End Locks Up In Auto 4wd / 4wd Only
Posted to GM PowerTrain on 8/14/2014 8 Replies

The rear end locks up when driving straight only in 4wd or auto 4wd and releases when turning corners. Code scan found several present BO780, BO790, B2795, C0321, C0359, C0374. I found Dex VI for fluid in the T-Case and changed it out with the Auto Trak II but...

8 Replies Received (View Replies)

  Related Documents & Media  2004 GMC Envoy XUV SLT

 
Message Closed w/Summary

car Vehicle Data

2004 GMC Envoy XUV SLT

VIN 1GKET12S44
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedRear End Locks Up in Auto 4WD / 4WD Only
ConditionsLocking Up
Message Closed w/Summary

car Vehicle Data

2004 GMC Envoy XUV SLT

VIN 1GKET12S44
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedRear End Locks Up in Auto 4WD / 4WD Only
ConditionsLocking Up