
2009 GMC Sierra 1500 SL 4.8L Temp Gauge/Cool Fan
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 ...
FIX posted 1/28/2022
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)25 Replies Received(Hide Replies)25 Replies Received
|
Message Closed
|
VIN | 3GTEC13C39 |
Engine | 4.8 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | Temp Gauge/Cool Fan |
Conditions | Gauge Climbs to High Before Fans Come On |
Message Closed
Vehicle Data
2009 GMC Sierra 1500 SL
VIN | 3GTEC13C39 |
Engine | 4.8 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | Fuel Injection |
Affected | Temp Gauge/Cool Fan |
Conditions | Gauge Climbs to High Before Fans Come On |