How to address issues with the Heater Core on GMC Canyon?

The first step in heater core replacement requires you to uninstall the HVAC module assembly. Starting with both heater core pipes clamp screw and heater core pipes clamp must be uninstalled. The next step includes removing heater core clamp screws followed by the heater core clamp before pulling out the heater core from the HVAC module. Reattach the heater core into the HVAC module through the heater core clamp installation. Put in the heater core clamp screws and tighten each one to 1.9 N.m (17 lb in). Hang the heater core pipes clamp screw and mount the heater core pipes clamp before setting the screw to 20 N.m (15 lb ft). Reinstall the HVAC module assembly as the last step.

OEM GMC Canyon Heater Core

HVAC Heater Core

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3 Heater Cores found

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GMC Canyon Heater Core Part Number: 89019085
$89.70 MSRP: $162.37
You Save: $72.67 (45%)
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Product Specifications
- Other Name: Core, Heater Core; HVAC Heater Core
- Replaces: 89018326
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2012 GMC Canyon | SL, SLE, SLT, WT, Z71 Fleet, Z71 SL, Z71 SLE, Z85 SL, Z85 SLE | 4 Cyl 2.8 L GAS, 4 Cyl 2.9 L GAS, 5 Cyl 3.5 L GAS, 5 Cyl 3.7 L GAS, 8 Cyl 5.3 L GAS
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GMC Canyon Heater Core Part Number: 84903544
$84.16 MSRP: $152.33
You Save: $68.17 (45%)
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Product Specifications
- Other Name: Core Assembly-Heater; Core, Heater Core
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2023 GMC Canyon | AT4, AT4X, Denali, Elevation | 4 Cyl 2.7 L GAS
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GMC Canyon Heater Core Part Number: 23135678
$55.91 MSRP: $114.91
You Save: $59.00 (52%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Core Assembly-Heater; Core, Heater Core
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2015-2022 GMC Canyon | All Terrain, AT4, Base, Denali, Elevation, Elevation Standard, SL, SLE, SLT | 4 Cyl 2.5 L GAS, 4 Cyl 2.8 L DIESEL, 6 Cyl 3.6 L GAS

GMC Canyon Heater Core

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The Heater Core in GMC Canyon vehicles is the part of the heating system mechanism of the car as it works like a radiator and has the engine's the hot coolant scrambled to warm up the air inside the car. Constructed from aluminium or brass with fins to increase the surface area of the core, the hot coolant from the engine passes through the core and with the help of vehicle's blower, air is passed through the core to warm the interior of the vehicle. Heater Cores could have a Valve or a door for temperature regulation while other sophisticated models could use Electromechanical Actuators and Thermistors to ensure extra comfort. In vehicles having air conditioning the heater core assists in the dehumidification process or in reheating air which is cooled. These are problems such as blockage, dripping, and, rusting that call for a complicated process of dismantling the dashboard. It is also possible to use different types of heating for air-cooled engines; however, these procedures are rather dangerous.

GMC Canyon Heater Core Parts and Q&A

Heater Core
89019085
Q: How to address issues with the Heater Core on GMC Canyon?
A:
The first step in heater core replacement requires you to uninstall the HVAC module assembly. Starting with both heater core pipes clamp screw and heater core pipes clamp must be uninstalled. The next step includes removing heater core clamp screws followed by the heater core clamp before pulling out the heater core from the HVAC module. Reattach the heater core into the HVAC module through the heater core clamp installation. Put in the heater core clamp screws and tighten each one to 1.9 N.m (17 lb in). Hang the heater core pipes clamp screw and mount the heater core pipes clamp before setting the screw to 20 N.m (15 lb ft). Reinstall the HVAC module assembly as the last step.