How to service the heater core on 2000 GMC C2500?

To service the heater core, empty the engine coolant, and recover the refrigerant. Disassemble the heater/vent module and then the heater core cover to expose the heater core. Install heater core, close the cover, fit the module, fill up the A/C system and coolant.

OEM 2000 GMC C2500 Heater Core

HVAC Heater Core

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2 Heater Cores found

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2000 GMC C2500 Heater Core Part Number: 89019173
$100.02 MSRP: $205.54
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Product Specifications
- Other Name: Core, Heater; HVAC Heater Core; Core, Heater Core
- Replaces: 52467018
- Item Weight: 4.90 Pounds
- Item Dimensions: 20.4 x 16.0 x 8.8 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89019173
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2000 GMC C2500 Submodels:
- Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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2000 GMC C2500 Heater Core Part Number: 52467017
Product Specifications
- Other Name: Core, Heater; Core, Heater Core
- Replaces: 52461009
- Item Weight: 4.00 Pounds
- Item Dimensions: 21.6 x 19.1 x 8.6 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 52467017
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2000 GMC C2500 Submodels:
- Sierra, Sierra SL, Sierra SLE, Sierra SLT, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS

2000 GMC C2500 Heater Core

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2000 GMC C2500 Heater Core Parts and Q&A

Q: How to service the heater core on 2000 GMC C2500?
A: To service the heater core, empty the engine coolant, and recover the refrigerant. Disassemble the heater/vent module and then the heater core cover to expose the heater core. Install heater core, close the cover, fit the module, fill up the A/C system and coolant.