How to service and repair the auxiliary evaporator core on Chevrolet Astro?

Service and repair operations for the auxiliary evaporator core should start with a systematic refrigerant recovery procedure of the system. Rephrase the sentence by starting with the removal of the left body side rear trim panel and air outlet duct assembly and proceeding to disconnect electrical connectors. Support the vehicle with tools and remove the retaining nut to break free the auxiliary evaporator rear tube assembly from its core position. First secure the auxiliary evaporator module assembly by taking out the mounting bolts. Afterward remove the vehicle case from its mounting position. You must take out all the screws from the case to gain access to its evaporator core seal and the core for removal. Check the gaskets and seals for any signs of damage before performing required replacements. Before assembling the case parts place the evaporator core inside and then apply the evaporator core seal before reinstallation. Fasten the auxiliary evaporator module assembly on the vehicle while tightening bolts to 10 N.m (86 lb in). When the vehicle reaches the proper height support it while attaching the auxiliary evaporator underbody rear tube assembly to the core using a retaining nut which should be tightened to 10 N.m (86 lb in). After the electrical connection reinstallation, replace the air outlet duct assembly together with the left body side rear trim panel. After the system evacuation and recharge process the Halogen Leak Detector (J 39400-A) will test all component fittings for leaks.

OEM Chevrolet Astro Evaporator

A/C Evaporator Core

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Chevrolet Astro Evaporator Core
Part Number: 52478863
$31.56 MSRP: $279.90
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Product Specifications
- Other Name: Evaporator Assembly, A/C; A/C Evaporator Core Repair Kit; A/C Evaporator; Evaporator, A/C Evaporator
- Replaces: 52464883
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1999 Chevrolet Astro | Base, CL, CS, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Evaporator Core
Part Number: 3056960
$95.22 MSRP: $177.68
You Save: $82.46 (47%)
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Product Specifications
- Other Name: A/C Evaporator Core Repair Kit; A/C Evaporator; Core, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1991 Chevrolet Astro | Base, CL, CS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
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Chevrolet Astro Evaporator Core
Part Number: 52480284
Product Specifications
- Other Name: Evaporator Assembly, A/C; A/C Evaporator Core Repair Kit; A/C Evaporator; Evaporator, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1997-2005 Chevrolet Astro | Base, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Evaporator Core
Part Number: 52465673
Product Specifications
- Other Name: Evaporator, Air Conditioner Evaporator; A/C Evaporator Core Repair Kit; A/C Evaporator; Evaporator, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1995-2005 Chevrolet Astro | Base, CL, CS, LS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Evaporator Core
Part Number: 52465502
Product Specifications
- Other Name: Evaporator, Air Conditioner Evaporator; A/C Evaporator Core Repair Kit; A/C Evaporator; Evaporator, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Evaporator Core
Part Number: 52457459
Product Specifications
- Other Name: Evaporator Assembly, A/C; A/C Evaporator Core Repair Kit; A/C Evaporator; Evaporator, A/C Evaporator; Core, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1985-1993 Chevrolet Astro | Base, CL, CS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS
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Chevrolet Astro Evaporator Core
Part Number: 52456440
Product Specifications
- Other Name: Evaporator, A/C (W/Case); A/C Evaporator Core Repair Kit; A/C Evaporator; Evaporator, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1992-1993 Chevrolet Astro | Base, CL, CS, LT | 6 Cyl 4.3 L GAS
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Chevrolet Astro Evaporator Core
Part Number: 52452838
Product Specifications
- Other Name: Evaporator, Air Conditioner Evaporator; A/C Evaporator Core Repair Kit; A/C Evaporator; Evaporator, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1991 Chevrolet Astro | Base, CL, CS, LT | 4 Cyl 2.5 L GAS, 6 Cyl 4.3 L GAS

Chevrolet Astro Evaporator

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Chevrolet Astro Evaporator Parts Questions & Experts Answers

Evaporator Core
52465673
Q: How to service and repair the auxiliary evaporator core on Chevrolet Astro?
A: Service and repair operations for the auxiliary evaporator core should start with a systematic refrigerant recovery procedure of the system. Rephrase the sentence by starting with the removal of the left body side rear trim panel and air outlet duct assembly and proceeding to disconnect electrical connectors. Support the vehicle with tools and remove the retaining nut to break free the auxiliary evaporator rear tube assembly from its core position. First secure the auxiliary evaporator module assembly by taking out the mounting bolts. Afterward remove the vehicle case from its mounting position. You must take out all the screws from the case to gain access to its evaporator core seal and the core for removal. Check the gaskets and seals for any signs of damage before performing required replacements. Before assembling the case parts place the evaporator core inside and then apply the evaporator core seal before reinstallation. Fasten the auxiliary evaporator module assembly on the vehicle while tightening bolts to 10 N.m (86 lb in). When the vehicle reaches the proper height support it while attaching the auxiliary evaporator underbody rear tube assembly to the core using a retaining nut which should be tightened to 10 N.m (86 lb in). After the electrical connection reinstallation, replace the air outlet duct assembly together with the left body side rear trim panel. After the system evacuation and recharge process the Halogen Leak Detector (J 39400-A) will test all component fittings for leaks.

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