Webif you notice that your gmc sierraโ€™s fan isnโ€™t functioning as it should, it may be due to a faulty blower motor.

Webi just had the same problem on my 2015 sierra 5. 3l 1500.

2014 sierra. cooling fan keeps running.

Webi have posted here before about an intermittent problem with the radiator fan staying on after the engine is shut off.

Webevidently, it's my radiator fans still running because my computer thinks the truck is overheating.

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Webif your sierra is running hot, and the fan is not running weโ€™ve laid out the most common causes of this issue below.

Webthe most common causes for your chevy silverado fan to continue running even when youโ€™ve turned off the engine are related to faults found in the fan relay, the.

My coolant gauge stayed around 160 the whole time.

Webafter a 3 second delay, the pcm supplies a ground path for the high speed fan relay and the cooling fan s/p relay through the high speed cooling fan relay control.

My youtube research lead me down the coolant.

Not sure if there is a temp sensor going.

Web2015 chevy silverado 5. 3 v8 (lt trim i think) issue:

It started doing this all of a sudden, runs full blast idling, going down the road, and for 5ish mins after the.

In the morning as soon as i start the truck, fan's turn on.

Webthis has happened to my truck twice in 6 months.

Radiator fans stay on as long as the truck is running.

I replaced the coolant temp sensor and the problem is still there.

Webmy 2015 escalade was running fine, but i noticed a loud hum under the hood.

Wont turn off after driving ,stays on for five to ten minuets.

Webthere are several reasons why the 2014 silverado fan keeps running.

The fans were running much faster than usual, so i looked at my coolant guage.

Web2015 gmc sierra 5. 3.

The fans went to full speed and stayed there until i shut the truck off.

The strange part was that when the problem.

Iโ€™m having a similar issue, the fan is stuck on high and runs for about 5 minutes even after the key has been pulled.

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Both fans run shortly after starting truck and continue for several minutes before going off.

Webfan stays on after i shut truck off.

A common sign of a problem is the lack of air blowing.

I've replaced sensor and thermostat and still stays on.

Gmc sierra radiator fan not working.

They include a faulty fan relay, broken temperature sensors, or a damaged ecu unit.