× 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 Sierra 2500 6.0L Cooling System
Posted to GM Engine on 6/20/2005 15 Replies

cooling system worked great last year while pulling a 20 ft trailer, but this year the truck runs very hot (260deg) on long runs and up hills. we replaced thermostat and flushed cooling system. we performed hc test in cooling system and passed ok. temp guns sh...

15 Replies Received (View Replies)

  Related Documents & Media  2004 GMC Sierra 2500

 
Message Closed w/FIX

car Vehicle Data

2004 GMC Sierra 2500

VIN 1GTGK23U64
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedCooling System
ConditionsRunning Hot
Message Closed w/FIX

car Vehicle Data

2004 GMC Sierra 2500

VIN 1GTGK23U64
Engine6.0 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
AffectedCooling System
ConditionsRunning Hot