How to Service and Repair the A/C Accumulator on 2008 Cadillac STS?

To replace the air conditioning refrigerant accumulator, recapture the refrigerant and (1) remove the front air deflector and accumulator bag plug and (2) record any lost PAG oil. Fit in the new accumulator bag, grease the O-rings and screw in the plug. Install the deflector back, pour oil, and replace the refrigerant, and test it to check leakages.

OEM 2008 Cadillac STS A/C Accumulator

Accumulator

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2008 Cadillac STS Drier Dessicant Bag Part Number: 84951727
$37.61 MSRP: $77.30
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Product Specifications
- Other Name: Receiver & Dehydrato, Air Conditioner Refrigerant; Dehydrator; Plug; Drier; Receiver & Dehydrato, A/C Refrigerant; Desiccant Kit, A/C Refrigerant; Plug, A/C Refrigerant
- Replaced by: 86551901
- Condition: New
- SKU: 84951727
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2008 Cadillac STS Submodels:
- Base, Platinum, V | 6 Cyl 3.6 L GAS, 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS

2008 Cadillac STS A/C Accumulator

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2008 Cadillac STS A/C Accumulator Parts and Q&A

Q: How to Service and Repair the A/C Accumulator on 2008 Cadillac STS?
A: To replace the air conditioning refrigerant accumulator, recapture the refrigerant and (1) remove the front air deflector and accumulator bag plug and (2) record any lost PAG oil. Fit in the new accumulator bag, grease the O-rings and screw in the plug. Install the deflector back, pour oil, and replace the refrigerant, and test it to check leakages.