× 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
2009 GMC Sierra 1500 SL 4.8L Temp Gauge/Cool Fan
Posted to GM Engine on 1/13/2022 25 Replies

The temp gauge will go up to 210 and stay there while driving. Then after sitting for 5-10 minutes the gauge will start climbing to about 230. Then the fans start up and temp gauge goes back to normal. I had a 2002 and now 2018 and they both run that same ...

25 Replies Received (View Replies)

  Related Documents & Media  2009 GMC Sierra 1500 SL

 
Open Help Request

car Vehicle Data

2009 GMC Sierra 1500 SL

VIN 3GTEC13C39
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTemp Gauge/Cool Fan
ConditionsGauge Climbs to High Before Fans Come On
Open Help Request

car Vehicle Data

2009 GMC Sierra 1500 SL

VIN 3GTEC13C39
Engine4.8 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
AffectedTemp Gauge/Cool Fan
ConditionsGauge Climbs to High Before Fans Come On