How to replace the evaporator core on GMC C2500?

As the first step to replace the Evaporator core start by disconnecting the negative Battery Cable and draining engine coolant from the system. First recover both refrigerants then disconnect each heater hose. You need to remove the accumulator and instrument panel carrier with the hvac module drain hose. Disconnect all electrical harnesses along with ground connections when needed before removing hvac module mounting nuts and screws to extract the assembly which gets placed on a bench. First remove screws from the hvac module before splitting it open to expose the Evaporator core before extracting it. Place the new Evaporator core before reassembling the hvac module halves in a proper manner using screws that should be tightened to 1.6 n.m (14 lb in). The hvac module assembly requires installation in the vehicle by applying 4 n.m (35 lb in) force on the mounting screws along with 9 n.m (80 lb in) on the mounting nuts. After proper electrical harness and ground connection reinstallation, the hvac module drain hose and instrument panel carrier and accumulator should be installed. You should connect the heater hoses and negative Battery Cable to service the hvac system by filling the engine coolant reservoir and charging the a/c system.

OEM GMC C2500 Evaporator

A/C Evaporator Core

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GMC C2500 Evaporator Core Part Number: 52457491
$88.30 MSRP: $554.62
You Save: $466.32 (85%)
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Product Specifications
- Other Name: Evaporator, Air Conditioner Evaporator; A/C Evaporator Core Repair Kit; A/C Evaporator; Evaporator; Evaporator, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 GMC C2500 | Sierra, Sierra SLE, 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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GMC C2500 Evaporator Core Part Number: 52464036
$219.54 MSRP: $393.80
You Save: $174.26 (45%)
Product Specifications
- Other Name: Evaporator, A/C; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator; Evaporator, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-2000 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 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 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C2500 Evaporator Case Part Number: 52478211
Product Specifications
- Other Name: Case, Air Conditioner Evaporator; A/C Evaporator; Case Assembly
- Replaced by: 52470825
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994 GMC C2500 | Sierra SL, Sierra SLE, Sierra SLT | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C2500 Evaporator Core Part Number: 88960668
Product Specifications
- Other Name: Evaporator Assembly, A/C; A/C Evaporator Core Repair Kit; A/C Evaporator; Core, A/C Evaporator
- Replaces: 03024972, 3024972
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C2500 Evaporator Core Part Number: 52456123
Product Specifications
- Other Name: Evaporator, A/C; A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator; Evaporator, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1993 GMC C2500 | Sierra, Sierra SLE, 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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GMC C2500 Evaporator Core Part Number: 3095064
Product Specifications
- Other Name: Evaporator Core (Sev/Marchal-280A-87B); A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Evaporator, A/C Evaporator; Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1990 GMC C2500 | Sierra, Sierra SLE, Sierra SLX | 6 Cyl 4.3 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL
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GMC C2500 Evaporator Core Part Number: 3036687
Product Specifications
- Other Name: Evaporator, A/C (W/Case); A/C Evaporator Core Repair Kit; A/C Evaporator Core; A/C Evaporator; Core, A/C Evaporator; Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C2500 | Base, High Sierra, Sierra Classic | 6 Cyl 4.1 L GAS, 6 Cyl 4.3 L GAS, 6 Cyl 4.8 L GAS, 8 Cyl 5.0 L GAS, 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS

GMC C2500 Evaporator

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The role of evaporator in the GMC C2500 is to serve as an important repair and improvement part that aided in boosting the performance and reliability of the GMC C2500 vehicles to make them comfortable to drive. This evaporator is fixed under the dashboard in the car and is one of the fundamental components for climate control as it removes heat and as a dehumidifier, transform the fluid freon into vapor. Its body material is aluminum and that makes it a good product for use in different GMC C2500 that was made from the year 1960 to 1998. The key component of the GMC C2500 Evaporator is to install an electric connection to work with the blower fan offering cool air and draining the condensation outside of the vehicle, which raises efficiency and also safety. Problems that will manifest with the evaporator include leaks, corrosion, and blockages impacting on its high durability for heavy-duty use. the GMC C2500 is a truck that has a one-ton load capability and such engine variants as 6.0 L V8, 6.5 L V8, 7.4 L V8, B3500 5.7L V8, and so on, which means that a well-functioning evaporator is a vital asset to its functionality as a truck. Some specifications of the GMC C2500 Evaporator as the effective heat exchange and moisture control offer it the competitive advantage in the automotive industry, while high quality and comfort of the car will provide the reliable driving for the owners of GMC C2500. All in all, GMC C2500 Evaporator is a true representation of GMC's research and dedication when it comes to products in their automobiles.

GMC C2500 Evaporator Parts and Q&A

Evaporator Core
52464036
Q: How to replace the evaporator core on GMC C2500?
A:
As the first step to replace the Evaporator core start by disconnecting the negative Battery Cable and draining engine coolant from the system. First recover both refrigerants then disconnect each heater hose. You need to remove the accumulator and instrument panel carrier with the hvac module drain hose. Disconnect all electrical harnesses along with ground connections when needed before removing hvac module mounting nuts and screws to extract the assembly which gets placed on a bench. First remove screws from the hvac module before splitting it open to expose the Evaporator core before extracting it. Place the new Evaporator core before reassembling the hvac module halves in a proper manner using screws that should be tightened to 1.6 n.m (14 lb in). The hvac module assembly requires installation in the vehicle by applying 4 n.m (35 lb in) force on the mounting screws along with 9 n.m (80 lb in) on the mounting nuts. After proper electrical harness and ground connection reinstallation, the hvac module drain hose and instrument panel carrier and accumulator should be installed. You should connect the heater hoses and negative Battery Cable to service the hvac system by filling the engine coolant reservoir and charging the a/c system.