How to Replace an A/C Hose in an HVAC System on 2005 Cadillac STS?

The procedure for suction hose replacement starts with recovering all refrigerant. The first step entails removing the air cleaner assembly after which the vehicle needs raising with support. The first step is to remove the lh wheel together with its tire followed by removing the engine splash shield. The compressor gets its suction hose bolt removed and vehicle lowering follows before extracting the suction hose retaining screw from its clamp position. Start by unfastening the liquid line from the a/c suction line bracket and after that detach the suction hose quick connect fitting at the bulkhead to separate the suction hose from the Evaporator core. Take away the suction hose from the vehicle before throwing away the o-ring seals. Installation begins with fitting new o-rings onto the suction hose followed by hose installation until connection with the Evaporator core. Connect the suction hose quick connect fitting before positioning the liquid line into the bracket before screwing the suction hose retaining screw into the clamp while securing it at 1 n.m (9 lb in). You should raise the vehicle once more while connecting the suction hose to the compressor by installing the retaining bolt which requires a torque of 9.8 n.m (87 lb in). Reinstall the engine splash shield and both the lower left wheel assembly with its tire followed by lowering the vehicle. The air cleaner assembly installation should be combined with refrigerant system evacuation and recharging procedures followed by the use of a halogen leak detector (J 39400-A) during component fitting leak tests.

OEM 2005 Cadillac STS A/C Hose

Air Conditioning Hose

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8 A/C Hoses found

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2005 Cadillac STS Drain Hose Part Number: 25740400
$14.38 MSRP: $26.01
You Save: $11.63 (45%)
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Product Specifications
- Other Name: Hose, Air Conditioner Evaporator; Hose, A/C Evaporator
- Item Weight: 1.40 Pounds
- Item Dimensions: 7.4 x 6.1 x 5.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25740400
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2005 Cadillac STS Submodels:
- Base, Platinum, V | 6 Cyl 3.6 L GAS, 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS
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2005 Cadillac STS Liquid Line Part Number: 25770406
Product Specifications
- Other Name: Tube, Air Conditioner Refrigerant (All Metal); A/C Refrigerant Liquid Hose; A/C Hose; Tube, A/C Refrigerant (All Metal)
- Item Weight: 0.50 Pounds
- Item Dimensions: 37.2 x 20.9 x 10.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25770406
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2005 Cadillac STS Submodels:
- Base, Platinum, V | 6 Cyl 3.6 L GAS, 8 Cyl 4.4 L GAS
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2005 Cadillac STS A/C Tube Part Number: 15932848
$136.28 MSRP: $244.44
You Save: $108.16 (45%)
Product Specifications
- Other Name: Tube, Air Conditioner Refrigerant (All Metal); A/C Refrigerant Liquid Hose; A/C Hose; Evaporator Tube; Outlet Tube; Tube, A/C Refrigerant (All Metal)
- Replaces: 89022475
- Item Weight: 3.10 Pounds
- Item Dimensions: 14.6 x 14.7 x 14.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15932848
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS, 8 Cyl 4.6 L GAS
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2005 Cadillac STS A/C Hoses Part Number: 25815297
Product Specifications
- Other Name: Hose Assembly-A/C Compressor; A/C Refrigerant Liquid Hose; A/C Hose; Suction Hose; Hose, A/C Compressor
- Replaces: 10366580
- Item Weight: 1.20 Pounds
- Item Dimensions: 32.3 x 17.3 x 4.7 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25815297
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Cadillac STS Submodels:
- Base, Platinum | 8 Cyl 4.6 L GAS
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2005 Cadillac STS Discharge Hose Part Number: 25837289
Product Specifications
- Other Name: Hose, Air Conditioner Compressor; A/C Refrigerant Liquid Hose; A/C Hose; A/C Hoses; Hose, A/C Compressor
- Replaces: 10390301, 10397095
- Item Weight: 1.00 Pounds
- Item Dimensions: 21.1 x 15.8 x 5.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25837289
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS
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2005 Cadillac STS A/C Hoses Part Number: 25815298
Product Specifications
- Other Name: Hose Assembly-A/C Compressor; A/C Refrigerant Liquid Hose; A/C Hose; Suction Hose; Hose, A/C Compressor
- Replaces: 10366579, 15268607
- Item Weight: 1.40 Pounds
- Item Dimensions: 25.9 x 21.3 x 7.0 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25815298
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS
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2005 Cadillac STS Discharge Hose Part Number: 25837288
Product Specifications
- Other Name: Hose, Air Conditioner Compressor; A/C Refrigerant Liquid Hose; A/C Hose; A/C Hoses; Hose, A/C Compressor
- Replaces: 25726812, 10388923, 15868943
- Item Weight: 1.00 Pounds
- Item Dimensions: 21.4 x 14.6 x 8.9 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25837288
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Cadillac STS Submodels:
- Base, Platinum | 8 Cyl 4.6 L GAS
View related parts
2005 Cadillac STS Liquid Line Part Number: 19418046
$165.39 MSRP: $296.65
You Save: $131.26 (45%)
Product Specifications
- Other Name: Tube Assembly, A/C Condenser; Tube, A/C Refrigerant (All Metal)
- Replaces: 10382615, 25815299
- Condition: New
- SKU: 19418046
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2005 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS, 8 Cyl 4.6 L GAS

2005 Cadillac STS A/C Hose

With a comprehensive array of OEM 2005 Cadillac STS A/C Hose, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2005 Cadillac STS A/C Hose are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2005 Cadillac STS A/C Hose Parts and Q&A

Q: How to Replace an A/C Hose in an HVAC System on 2005 Cadillac STS?
A: The procedure for suction hose replacement starts with recovering all refrigerant. The first step entails removing the air cleaner assembly after which the vehicle needs raising with support. The first step is to remove the lh wheel together with its tire followed by removing the engine splash shield. The compressor gets its suction hose bolt removed and vehicle lowering follows before extracting the suction hose retaining screw from its clamp position. Start by unfastening the liquid line from the a/c suction line bracket and after that detach the suction hose quick connect fitting at the bulkhead to separate the suction hose from the Evaporator core. Take away the suction hose from the vehicle before throwing away the o-ring seals. Installation begins with fitting new o-rings onto the suction hose followed by hose installation until connection with the Evaporator core. Connect the suction hose quick connect fitting before positioning the liquid line into the bracket before screwing the suction hose retaining screw into the clamp while securing it at 1 n.m (9 lb in). You should raise the vehicle once more while connecting the suction hose to the compressor by installing the retaining bolt which requires a torque of 9.8 n.m (87 lb in). Reinstall the engine splash shield and both the lower left wheel assembly with its tire followed by lowering the vehicle. The air cleaner assembly installation should be combined with refrigerant system evacuation and recharging procedures followed by the use of a halogen leak detector (J 39400-A) during component fitting leak tests.