How to service and repair the rear evaporator core on 2003 Toyota Sequoia?

To repair the rear evaporator core, discharge the refrigerant, evacuate air, and charge with 1050 g of refrigerant. Remove various interior components, disconnect tubes, and remove the rear A/C unit. Replace the expansion valve, lubricate new O-rings, and reinstall everything in reverse order.

OEM 2003 Toyota Sequoia Evaporator

A/C Evaporator Core

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3 Evaporators found

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2003 Toyota Sequoia Evaporator Core, Front
Part Number: 88501-0C020
$322.69 MSRP: $460.73
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Product Specifications
- Other Name: Evaporator Sub-Assembly; A/C Evaporator Core, Front; A/C Evaporator Core Repair Kit; Evaporator Sub-Assembly, Cooler; A/C Evaporator Core; A/C Evaporator; Evaporator
- Position: Front
- Part Name Code: 88501
- Item Weight: 5.30 Pounds
- Item Dimensions: 17.5 x 12.2 x 12.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 88501-0C020
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
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Fits the following 2003 Toyota Sequoia Submodels:
- Limited, SR5 | 8 Cyl 4.7 L GAS
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2003 Toyota Sequoia Evaporator Assembly
Part Number: 88510-0C030
Product Specifications
- Other Name: Unit Assembly, Cooling; A/C Evaporator Core and Case Assembly; Unit Assembly, Cooler; A/C Evaporator
- Part Name Code: 88510
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 88510-0C030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
Fits the following 2003 Toyota Sequoia Submodels:
- Limited, SR5 | 8 Cyl 4.7 L GAS
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2003 Toyota Sequoia Evaporator Core, Rear
Part Number: 88501-0C030
Product Specifications
- Other Name: Evaporator Sub-Assembly; A/C Evaporator Core, Rear; A/C Evaporator Core Repair Kit; Evaporator Sub-Assembly, Cooler; A/C Evaporator Core; A/C Evaporator; Evaporator
- Position: Rear
- Part Name Code: 88501D
- Item Weight: 5.40 Pounds
- Item Dimensions: 28.7 x 26.2 x 12.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 88501-0C030
- Warranty: This genuine part is guaranteed by Toyota's factory warranty.
More Info
Fits the following 2003 Toyota Sequoia Submodels:
- Limited, SR5 | 8 Cyl 4.7 L GAS

2003 Toyota Sequoia Evaporator

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2003 Toyota Sequoia Evaporator Parts Q&A

Q: How to service and repair the rear evaporator core on 2003 Toyota Sequoia?
A: To repair the rear evaporator core, discharge the refrigerant, evacuate air, and charge with 1050 g of refrigerant. Remove various interior components, disconnect tubes, and remove the rear A/C unit. Replace the expansion valve, lubricate new O-rings, and reinstall everything in reverse order.