What kind of fan does a Yukon Denali use?
My new 2011 Yukon Denali and my 2006 Duramax LBZ does it too. I’ll be curious to the answers that your thread gets. If just noticed in the Denali for the first time today.
Why is my AC fan running but not cooling?
AC Compressor Running But Not Cooling : The Possible Reasons 1 If the Refrigerant Is Leaking. It often happens, and it is the most common issue that makes an AC blowing hot air. 2 If the Condenser Is Blocked. 3 When the Condenser Needs Replacement. 4 Wiring Issues. 5 Faulty Cooling Fans. 6 If the Compressor Itself Is Faulty. …
When does the cooling fan start in high speed?
Cooling Fan Starts in High Speed sometimes! Discussion in ‘ General Discussion ‘ started by texasv8, Mar 15, 2012 .
My new 2011 Yukon Denali and my 2006 Duramax LBZ does it too. I’ll be curious to the answers that your thread gets. If just noticed in the Denali for the first time today.
What kind of HVAC does Chevy Avalanche have?
Claims with repair orders prior to April 8, 2011 must be submitted to the Service Contract provider. Involved are certain 2003-2006 model year Chevrolet Avalanche, Suburban, Tahoe; GMC Yukon, Yukon XL; and 2003-2007 model year Chevrolet Silverado and GMC Sierra vehicles equipped with a manual HVAC (CJ3) or heavy duty heater (C42).
Cooling Fan Starts in High Speed sometimes! Discussion in ‘ General Discussion ‘ started by texasv8, Mar 15, 2012 .
When does the cooling fan relay go on?
The cooling fan relay will be commanded ON when the following conditions are met: – The engine coolant temperature reaches 106°C (223°F) or more. – The A/C clutch requested. – The vehicle speed is less than 38 MPH. – The engine coolant temperature is 151°C (304°F) or more.
How does the p0480 GMC cooling fan control circuit work?
The P0480 code is detected when the Powertrain Control Module (PCM) detects that the commanded state of the driver and the actual state of the control circuit do not match. Engine Light ON (or Service Engine Soon Warning Light) The PCM controls the cooling fan by grounding the cooling fan control circuit which turns ON the cooling fan relay.
How does the PCM control the cooling fan?
The PCM controls the cooling fan by grounding the cooling fan control circuit which turns ON the cooling fan relay. The cooling fan relay will be commanded ON when the following conditions are met: – The engine coolant temperature reaches 106°C (223°F) or more. – The A/C clutch requested.
Where is the fuse box located in a GMC Yukon?
The underhood fuse/relay center is located in the rear of the engine compartment near the brake fluid reservoir. GMC Yukon – fuse box – engine compartment *1 — Gasoline Engine and Fuel Injection Rail #2. *2 — Gasoline Engine and Fuel Injection Rail #1. *3 — Gasoline Engine; Oxygen Sensors. *4 — Gasoline Engine; Oxygen Sensors. *5 — PCM Ignition
Where is the auxiliary cooling fan fuse block?
The auxiliary electric cooling fan fuse block is located in the engine compartment on the driver’s side of the vehicle next to the underhood fuse block. WARNING: Terminal and harness assignments for individual connectors will vary depending on vehicle equipment level, model, and market.
How to become a fan of GM trucks?
Fan Stays Running – Feature or Malfunction? Sign up for FREE! Become a GM-Trucks.com Member Today! In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups, crossovers, and SUVs.
Why are the cooling fans running Full Tilt?
When I started my truck and drove to my destination, fans were running full tilt on a cold engine on a cold day. It was strange. I guess it has something to do with unplugging the maf.
Why are the fans on my GM Truck always running?
From buying research to owner support, join 1.5 MILLION GM Truck Enthusiasts every month who use GM-Trucks.com as a daily part of their ownership experience. Cooling fans always running? My truck just started this morning. Remote started and the fans came on and wouldn’t stop. 30* outside so it’s not warm here.
Why are the cooling fans running on my Silverado Sierra?
When this happens my temp gauge will read zero and when I kill the engine the fans stay on. The only way to shut them off is to crank the engine and shut it right back off. I have been through two temp sensors and still have the problem. It does not do it all the time but when it does it will stop and not do it for a while.
When does the cooling fan come on or off?
I’ve read that the cooling fan will run the whole time when either the A/C is on or the vent control is set to defrost, regardless of whether the engine is cold or hot. In my case, the cooling fan comes on when the engine is cold, even with the HVAC off and it will remain running at full speed when the engine is running, again with the HVAC off.
Why are my cooling fans running on high?
I have a 2014 Chevy Silverado 1500 5.3l that I am having a issue with the cooling fans running on high occasionally. When this happens my temp gauge will read zero and when I kill the engine the fans stay on. The only way to shut them off is to crank the engine and shut it right back off.