What is the cooling fan system in Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL with two fans behind the radiator and how can it be diagnosed and repaired?

These models have two Radiator fan behind the radiator that are operated by the PCM and three relays to adjust the speed as needed. The fans are protected by fuses in the engine compartment's fuse/relay box. If the engine overheats and the Radiator fan don't work, check the fuses and fan motors. If the motors are okay but the fans still don't work, the relays may be defective. To remove the radiator fan/shroud assembly, disconnect the battery cable, drain the cooling system, remove the intake air duct and resonator assembly, and disconnect various hoses and electrical connectors. After cleaning debris from the shroud, install the fan motor mounting bolts and tighten them securely. Finally, refill the cooling system and check the transmission fluid level. If no obvious problems are found, have the radiator fan system diagnosed by a qualified repair shop.

Genuine Chevrolet Avalanche Radiator fan

Radiator Cooling Fan

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Chevrolet Avalanche Blade,Fan
Part Number: 15017911
$60.41 MSRP: $126.92
You Save: $66.51 (53%)
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Product Specifications
- Other Name: BLADE, Engine Cooling; Fan Blade
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2004 Chevrolet Avalanche | 1/2 TON | 8 Cyl 5.3L
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Chevrolet Avalanche Blade, Fan
Part Number: 15780793
$91.76 MSRP: $192.77
You Save: $101.01 (53%)
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Product Specifications
- Other Name: BLADE KIT, Engine Cooling; Fan Blade
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 Chevrolet Avalanche | 1/2 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
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Chevrolet Avalanche Blade, Fan
Part Number: 15780794
$102.17 MSRP: $192.78
You Save: $90.61 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: BLADE KIT, Engine Cooling; Fan Blade
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2007-2013 Chevrolet Avalanche | 1/2 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
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Chevrolet Avalanche Blade Kit,Engine Cooling Fan
Part Number: 89023366
$60.72 MSRP: $185.34
You Save: $124.62 (68%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: BLADE KIT, Engine Cooling; Fan Blade
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2011 Chevrolet Avalanche | 1/2 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
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Chevrolet Avalanche Blade Kit,Engine Cooling Fan
Part Number: 89024933
$88.22 MSRP: $185.34
You Save: $97.12 (53%)
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Product Specifications
- Other Name: BLADE KIT, Engine Cooling; Fan Blade
- Replaces: 89023367
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2005-2013 Chevrolet Avalanche | 1/2 TON | 8 Cyl 5.3L, 8 Cyl 5.3L Flex, 8 Cyl 6.0L
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Chevrolet Avalanche Blade Kit, Engine Cooling Fan
Part Number: 20903472
$35.25 MSRP: $107.60
You Save: $72.35 (68%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: BLADE KIT, Engine Cooling; Fan Blade, Fan Motor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2011 Chevrolet Avalanche | 1/2 TON | 8 Cyl 5.3L Flex
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Chevrolet Avalanche Blade Kit, Engine Cooling Fan
Part Number: 20897350
$75.01 MSRP: $157.58
You Save: $82.57 (53%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: BLADE KIT, Engine Cooling; Fan Blade, Fan Motor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2013 Chevrolet Avalanche | 1/2 TON | 8 Cyl 5.3L Flex
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Chevrolet Avalanche Blade Kit, Engine Cooling Fan
Part Number: 20903473
$26.85 MSRP: $50.66
You Save: $23.81 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BLADE KIT, Engine Cooling; Fan Blade, Fan Motor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2013 Chevrolet Avalanche | 1/2 TON | 8 Cyl 5.3L Flex
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Chevrolet Avalanche Blade Kit, Engine Cooling Fan
Part Number: 20897351
$86.02 MSRP: $162.30
You Save: $76.28 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: BLADE KIT, Engine Cooling; Fan Blade, Fan Motor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2013 Chevrolet Avalanche | 1/2 TON | 8 Cyl 5.3L Flex
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Chevrolet Avalanche Blade Assembly, Fan
Part Number: 15767319
Product Specifications
- Other Name: BLADE, Engine Cooling; Fan Blade
- Replaces: 15749640
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2006 Chevrolet Avalanche | 3/4 TON | 8 Cyl 8.1L

Chevrolet Avalanche Radiator fan

The Radiator Fan in vehicles such as Chevrolet Avalanche play a role of cooling the engine especially when the vehicle is idle or moving at a slow speed. It helps to maintain sufficient amounts of air being circulated over the radiators, through which the coolant is ought to be cooled. In the case of the Chevrolet Avalanche, Radiator Fans consist of both mechanical and electric type. part fans are generally bolted on the water pump shaft and run off the crankshaft through gears, and is equipped with a thermal clutch that disconnects at high speeds to save fuel and dampen noise. On the other hand, electric Radiators Fans use a 12V motor and operate after detecting the temperature of the coolant or the requirement of air conditioning and are usually formed in a shroud for better air flow through the Radiator. Chevrolet Avalanche has used these various types of Radiator Fans over the model years with electric where the most prevalent today. The main distinction lies in their operation: mechanical fans work in relation to the engine speed while electric fans are determined by the temperature with an ability to give finer quantity of air. The flexibility of the fan design improves the efficiency and performance of the cars' cooling system of Chevrolet Avalanche.

Each OEM Chevrolet Avalanche Radiator fan we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Chevrolet Avalanche Radiator fan Parts Questions & Experts Answers

Blade Kit, Engine Cooling Fan
20903472
Q: What is the cooling fan system in Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL with two fans behind the radiator and how can it be diagnosed and repaired?
A: These models have two Radiator fan behind the radiator that are operated by the PCM and three relays to adjust the speed as needed. The fans are protected by fuses in the engine compartment's fuse/relay box. If the engine overheats and the Radiator fan don't work, check the fuses and fan motors. If the motors are okay but the fans still don't work, the relays may be defective. To remove the radiator fan/shroud assembly, disconnect the battery cable, drain the cooling system, remove the intake air duct and resonator assembly, and disconnect various hoses and electrical connectors. After cleaning debris from the shroud, install the fan motor mounting bolts and tighten them securely. Finally, refill the cooling system and check the transmission fluid level. If no obvious problems are found, have the radiator fan system diagnosed by a qualified repair shop.