How to Troubleshoot and Replace a Cooling Fan?

If the radiator fan is not coming on when the engine temperature rises to an excessive level, it is recommended to check the fan relays in the underhood fuse/relay box. If the relays are found to be okay, the next step is to check all wiring and connections to the fan motor. If no obvious problems are found, the issue could be with the Engine Coolant Temperature (ECT) sensor or the Powertrain Control Module (PCM). In such cases, it is advised to have the radiator fan system and circuit diagnosed with the proper diagnostic equipment. To remove the fan, first disconnect the cable from the negative battery terminal and raise the vehicle securely on jackstands. Remove the splash shield and drain the cooling system, saving the coolant if it is still in good condition. Detach the upper radiator hose and remove the air filter housing and inlet air resonator. Disconnect and plug the expansion tank hose and remove the fastener for the air conditioning line mounting clip. Remove the auxiliary water pump and any hoses if present. Disconnect the fan motor electrical connector(s) and detach the wire harness clips from the fan shroud. Remove the fan shroud-to-radiator mounting bolts and lift the fan/shroud assembly from the vehicle. To detach the fan blade from the motor, remove the nut from the motor shaft, and to detach the motor from the shroud, remove the retaining bolts and disconnect the electrical connector. Installation is the reverse of removal, ensuring to reconnect the battery and refill the cooling system. Finally, start the engine and allow it to reach normal operating temperature, checking for leaks and proper operation.

Genuine Cadillac CTS Radiator fan

Radiator Cooling Fan

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14 Radiator fans found

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Cadillac CTS Fan Assembly, Engine Cooler
Part Number: 84001484
$225.89 MSRP: $474.56
You Save: $248.67 (53%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Fan Assembly; Fan Module
- Replaced by: 19435356
- Replaces: 23190331
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2015 Cadillac CTS | 4 DOOR PERFORMANCE SEDAN, 4 DOOR PREMIUM SEDAN, 4 DOOR SEDAN | 4 Cyl 2.0L, 6 Cyl 3.6L
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Cadillac CTS Fan Assembly, Engine Cooler
Part Number: 23347101
$323.66 MSRP: $610.66
You Save: $287.00 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: FAN, Engine Air Cooling(Electrical); Fan Assembly, Fan Module, Fan Shroud
- Replaced by: 84392557
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Cadillac CTS | 4 DOOR PERFORMANCE SEDAN, 4 DOOR PLUS SEDAN, 4 DOOR PREMIUM SEDAN | 4 Cyl 2.0L, 6 Cyl 3.6L
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Cadillac CTS Fan Assembly, Eng Clr
Part Number: 84790788
$378.74 MSRP: $795.69
You Save: $416.95 (53%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Fan Assembly, Fan Module
- Replaces: 23332215, 84100128
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Cadillac CTS | 4 DOOR V-SERIES SEDAN | 8 Cyl 6.2L
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Cadillac CTS Blade Assembly, Fan
Part Number: 25881843
$38.18 MSRP: $116.52
You Save: $78.34 (68%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: BLADE, Engine Cooling; Cooling Fan, Fan Blade
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2014 Cadillac CTS | 2 DOOR COUPE, 4 DOOR, 4 DOOR (RHD), 4 DOOR RHD, 4 DOOR SEDAN, 4 DOOR SEDAN(RHD), 4 DOOR STATION WAGON, 4 DOOR STATION WAGON(RHD), 4 DOOR WAGON, 4 DOOR WAGON(RHD) | 6 Cyl 3.0L, 6 Cyl 3.6L, 8 Cyl 6.2L
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Cadillac CTS Fan Asm,Engine Cooler
Part Number: 19333232
$383.04 MSRP: $722.72
You Save: $339.68 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: FAN, Engine Air Cooling(Electrical); Fan Assembly, Fan Module, Fan Shroud
- Replaces: 22855310
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2015 Cadillac CTS | 4 DOOR PERFORMANCE SEDAN, 4 DOOR PREMIUM SEDAN, 4 DOOR SEDAN | 4 Cyl 2.0L, 6 Cyl 3.6L
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Cadillac CTS Fan Assembly, Engine Coolant (7 Blade Fan For 160W Motor)
Part Number: 25767914
$21.58 MSRP: $40.72
You Save: $19.14 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: FAN, Engine Air Cooling(Electrical); Cooling Fan, Fan Assembly, Fan Blade
- Replaces: 25728385
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2007 Cadillac CTS | 4 DOOR, 4 DOOR RHD, 4 DOOR(RHD), V 4 DOOR | 6 Cyl 2.8L, 6 Cyl 3.2L, 6 Cyl 3.6L, 8 Cyl 5.7L, 8 Cyl 6.0L
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Cadillac CTS Blade,Fan (RH)
Part Number: 19129773
$70.24 MSRP: $147.56
You Save: $77.32 (53%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: BLADE, Engine Cooling; Cooling Fan, Fan Blade
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2015 Cadillac CTS | V 2 DOOR COUPE, V 4 DOOR, V 4 DOOR SEDAN, V 4 DOOR WAGON | 6 Cyl 3.0L, 6 Cyl 3.6L, 8 Cyl 6.2L
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Cadillac CTS Fan Assembly, Engine Coolant (5 Blade Fan For 160W Motor)
Part Number: 25767915
$36.34 MSRP: $68.56
You Save: $32.22 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: FAN, Engine Air Cooling(Electrical); Cooling Fan, Fan Assembly, Fan Blade
- Replaces: 25728388
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2010-2015 Cadillac CTS | V 2 DOOR COUPE, V 4 DOOR, V 4 DOOR SEDAN, V 4 DOOR WAGON | 6 Cyl 3.0L, 6 Cyl 3.6L, 8 Cyl 6.2L
- 2003-2007 Cadillac CTS | 4 DOOR, 4 DOOR RHD, 4 DOOR(RHD), V 4 DOOR | 6 Cyl 2.8L, 6 Cyl 3.2L, 6 Cyl 3.6L, 8 Cyl 5.7L, 8 Cyl 6.0L
View related parts
Cadillac CTS Fan Assembly, Engine Cooler
Part Number: 23347100
$416.00 MSRP: $784.89
You Save: $368.89 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Fan Shroud; Fan Assembly, Fan Module
- Replaces: 22990704, 23267161
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Cadillac CTS | 4 DOOR PREMIUM SEDAN | 6 Cyl 3.6L
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Cadillac CTS Shroud, Engine Coolant Fan
Part Number: 22895851
$1042.92 MSRP: $1655.83
You Save: $612.91 (38%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: FAN, Engine Air Cooling(Electrical); Fan Assembly, Fan Shroud
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014 Cadillac CTS | 4 DOOR PERFORMANCE SEDAN, 4 DOOR PREMIUM SEDAN, 4 DOOR SEDAN | 4 Cyl 2.0L, 6 Cyl 3.6L
View related parts
Cadillac CTS Fan Assembly, Engine Cooler
Part Number: 84001483
$236.15 MSRP: $425.51
You Save: $189.36 (45%)
Product Specifications
- Other Name: FAN, Engine Air Cooling(Electrical); Fan Assembly, Fan Module, Fan Shroud
- Replaced by: 85063502
- Replaces: 23458696
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2016-2019 Cadillac CTS | 4 DOOR PERFORMANCE SEDAN, 4 DOOR PLUS SEDAN, 4 DOOR PREMIUM SEDAN | 4 Cyl 2.0L, 6 Cyl 3.6L
View related parts
Cadillac CTS Fan,Engine Coolant
Part Number: 25708390
Product Specifications
- Other Name: FAN, Engine Air Cooling(Electrical); Cooling Fan, Fan Blade
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Cadillac CTS | 4 DOOR, 4 DOOR RHD, V 4 DOOR | 6 Cyl 2.8L, 6 Cyl 3.6L
- 2003 Cadillac CTS | 4 DOOR, 4 DOOR RHD | 6 Cyl 3.2L
View related parts
Cadillac CTS Fan,Engine Coolant
Part Number: 25720201
Product Specifications
- Other Name: FAN, Engine Air Cooling(Electrical); Cooling Fan, Fan Blade
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2006-2008 Cadillac CTS | 4 DOOR, 4 DOOR RHD, V 4 DOOR | 6 Cyl 2.8L, 6 Cyl 3.6L
- 2003 Cadillac CTS | 4 DOOR, 4 DOOR RHD | 6 Cyl 3.2L
View related parts
Cadillac CTS Blade,Fan (LH)
Part Number: 19129772
Product Specifications
- Other Name: BLADE, Engine Cooling; Cooling Fan, Fan Blade
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009 Cadillac CTS | V 4 DOOR | 6 Cyl 3.6L, 8 Cyl 6.2L

Cadillac CTS Radiator fan Parts Questions & Experts Answers

Fan Assembly, Engine Cooler
84001484
Q: How to Troubleshoot and Replace a Cooling Fan?
A: If the radiator fan is not coming on when the engine temperature rises to an excessive level, it is recommended to check the fan relays in the underhood fuse/relay box. If the relays are found to be okay, the next step is to check all wiring and connections to the fan motor. If no obvious problems are found, the issue could be with the Engine Coolant Temperature (ECT) sensor or the Powertrain Control Module (PCM). In such cases, it is advised to have the radiator fan system and circuit diagnosed with the proper diagnostic equipment. To remove the fan, first disconnect the cable from the negative battery terminal and raise the vehicle securely on jackstands. Remove the splash shield and drain the cooling system, saving the coolant if it is still in good condition. Detach the upper radiator hose and remove the air filter housing and inlet air resonator. Disconnect and plug the expansion tank hose and remove the fastener for the air conditioning line mounting clip. Remove the auxiliary water pump and any hoses if present. Disconnect the fan motor electrical connector(s) and detach the wire harness clips from the fan shroud. Remove the fan shroud-to-radiator mounting bolts and lift the fan/shroud assembly from the vehicle. To detach the fan blade from the motor, remove the nut from the motor shaft, and to detach the motor from the shroud, remove the retaining bolts and disconnect the electrical connector. Installation is the reverse of removal, ensuring to reconnect the battery and refill the cooling system. Finally, start the engine and allow it to reach normal operating temperature, checking for leaks and proper operation.