How to Replace an A/C Hose in an HVAC System on GMC C3500?

Before you put in a new A/C Hose, recover the refrigerant. Carefully take off the air cleaner assembly, cut the connection between the tube and the hose and then get rid of the seal o-ring. After that, remove the refrigerant hose assembly from the auxiliary compressor hose and take out the o-ring seal. Get rid of the right front wheelhouse, take out the connection between the auxiliary Evaporator hose and the auxiliary Evaporator and cut out the o-ring seal. Take the auxiliary compressor hose off the auxiliary Evaporator, remove the screws and hose clips and finally take out both hoses: the auxiliary Evaporator hose and the compressor hose. You should start the installation by putting on the auxiliary compressor hose and the auxiliary Evaporator hose and then the clips. Tighten the screw heads until you reach a torque of 6 n.m (or 53 lb in). Grease the o-ring of the auxiliary compressor hose with 525 viscosity oil, install it and connect the hose to the auxiliary Evaporator, making sure the tightness is 32 n.m (24 lb ft). Cover the o-ring on the new auxiliary Evaporator hose with 525 viscosity refrigerant oil, fit it onto the hose and secure it to the auxiliary Evaporator so that it is tightened to 17 n.m (13 lb ft). Put the correct right front wheelhouse in place, grease the auxiliary compressor hose's new o-ring seal with 525 viscosity refrigerant oil, install it and secure the refrigerant hose to the auxiliary compressor hose using 24 n.m or 18 lb ft of torque. Bring down the vehicle, attache an o-ring seal for the auxiliary Evaporator (525 viscosity refrigerant oil) to the new hose, install it and fit the tube from the auxiliary Evaporator to the auxiliary Evaporator hose, making sure to tighten it to 24 n.m (18 lb ft). Afterward, set back the air cleaner assembly, top up the ac and look for any leaks.

OEM GMC C3500 A/C Hose

Air Conditioning Hose

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28 A/C Hoses found

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GMC C3500 A/C Line
Part Number: 15960136
$37.36 MSRP: $70.16
You Save: $32.80 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Tube Assembly-A/C Evaporator; A/C Refrigerant Liquid Hose; A/C Hose; A/C Tube; Hose; Tube, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990-1993 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 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 C3500 A/C Hose
Part Number: 15691883
$121.20 MSRP: $249.05
You Save: $127.85 (52%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Hose, Air Conditioner Compressor; A/C Refrigerant Liquid Hose; Hose, A/C Compressor Suction And Discharge
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS
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GMC C3500 A/C Line
Part Number: 19213709
$41.08 MSRP: $84.43
You Save: $43.35 (52%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: Tube Assembly, A/C Evaporator; A/C Refrigerant Liquid Hose; A/C Hose; A/C Tube; Hose; Tube, A/C Evaporator
- Replaces: 15954953
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-2000 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 5.7 L CNG, 8 Cyl 5.7 L GAS, 8 Cyl 6.5 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 A/C Hose
Part Number: 15630345
Product Specifications
- Other Name: Hose, Air Conditioner Compressor; A/C Refrigerant Liquid Hose; Hose Assembly, A/C Compressor Suction And Discharge
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1992 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 7.4 L GAS
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GMC C3500 A/C Line
Part Number: 15551630
Product Specifications
- Other Name: Tube Assembly-A/C Accumulator; A/C Refrigerant Liquid Hose; A/C Hose; Tube, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 A/C Line
Part Number: 15599094
Product Specifications
- Other Name: Tube Assembly-A/C Evaporator; A/C Refrigerant Liquid Hose; A/C Hose; Tube, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1989 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
View related parts
GMC C3500 A/C Line
Part Number: 15669969
Product Specifications
- Other Name: Tube Assembly-A/C Accumulator; A/C Refrigerant Liquid Hose; A/C Hose; Tube, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1989-1990 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS, 8 Cyl 6.2 L DIESEL, 8 Cyl 7.4 L GAS
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GMC C3500 A/C Tube
Part Number: 15568998
Product Specifications
- Other Name: Tube, Air Conditioner Refrigerant (All Metal); A/C Refrigerant Liquid Hose; A/C Hose; Hose; Tube, A/C Evaporator
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C3500 | Base, High Sierra, Sierra Classic | 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
View related parts
GMC C3500 A/C Hose
Part Number: 15551670
Product Specifications
- Other Name: Hose Assembly, Air Conditioner Compressor & Condenser; A/C Refrigerant Liquid Hose; Hose Assembly, A/C Compressor Suction And Discharge
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 7.4 L GAS
View related parts
GMC C3500 A/C Hose
Part Number: 15551667
Product Specifications
- Other Name: Hose Assembly, Air Conditioner Compressor & Condenser; A/C Refrigerant Liquid Hose; Hose Assembly, A/C Compressor Suction And Discharge
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1989 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 6.2 L DIESEL
View related parts
GMC C3500 A/C Hose
Part Number: 15630346
Product Specifications
- Other Name: Hose, Air Conditioner Compressor; A/C Refrigerant Liquid Hose; Hose Assembly, A/C Compressor Suction And Discharge
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1992 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 6.2 L DIESEL, 8 Cyl 6.5 L DIESEL
View related parts
GMC C3500 A/C Hose
Part Number: 15992158
Product Specifications
- Other Name: Hose, Air Conditioner Compressor; A/C Refrigerant Liquid Hose; Hose, A/C Compressor Suction And Discharge
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 6.5 L DIESEL
View related parts
GMC C3500 A/C Hose
Part Number: 15551671
Product Specifications
- Other Name: Hose Assembly, Air Conditioner Compressor & Condenser; A/C Refrigerant Liquid Hose; Hose Assembly, A/C Compressor Suction And Discharge
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 6.2 L DIESEL
View related parts
GMC C3500 A/C Hose
Part Number: 15646383
Product Specifications
- Other Name: Hose, Air Conditioner Compressor; A/C Refrigerant Liquid Hose; Hose Assembly, A/C Compressor Suction And Discharge
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1990 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS
View related parts
GMC C3500 A/C Hose
Part Number: 15691884
Product Specifications
- Other Name: Hose, Air Conditioner Compressor; A/C Refrigerant Liquid Hose; Hose & Tube Assembly; Hose, A/C Compressor Suction And Discharge
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1993 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 7.4 L GAS
View related parts
GMC C3500 A/C Hose
Part Number: 15630344
Product Specifications
- Other Name: Hose, Air Conditioner Compressor; A/C Refrigerant Liquid Hose; Hose Assembly, A/C Compressor Suction And Discharge
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1991-1992 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS
View related parts
GMC C3500 A/C Hose
Part Number: 15551666
Product Specifications
- Other Name: Hose Assembly, Air Conditioner Compressor & Condenser; A/C Refrigerant Liquid Hose; Hose Assembly, A/C Compressor Suction And Discharge
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1989 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 7.4 L GAS
View related parts
GMC C3500 A/C Hose
Part Number: 15551665
Product Specifications
- Other Name: Hose Assembly, Air Conditioner Compressor & Condenser; A/C Refrigerant Liquid Hose; Hose Assembly, A/C Compressor Suction And Discharge
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1988-1989 GMC C3500 | Sierra, Sierra SLE, Sierra SLX | 8 Cyl 5.7 L GAS
View related parts
GMC C3500 A/C Hose
Part Number: 15693716
Product Specifications
- Other Name: Hose, Air Conditioner Compressor; A/C Refrigerant Liquid Hose; Hose & Tube Assembly; Hose, A/C Compressor Suction And Discharge
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1994-1995 GMC C3500 | Sierra SL, Sierra SLE, Sierra SLT | 8 Cyl 7.4 L GAS
View related parts
GMC C3500 A/C Hose
Part Number: 15591123
Product Specifications
- Other Name: Hose Assembly-A/C Compressor; A/C Refrigerant Liquid Hose
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 1984-1986 GMC C3500 | Base, High Sierra, Sierra Classic | 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 C3500 A/C Hose

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GMC C3500 A/C Hose Parts Questions & Experts Answers

A/C Hose
19169333
Q: How to Replace an A/C Hose in an HVAC System on GMC C3500?
A: Before you put in a new A/C Hose, recover the refrigerant. Carefully take off the air cleaner assembly, cut the connection between the tube and the hose and then get rid of the seal o-ring. After that, remove the refrigerant hose assembly from the auxiliary compressor hose and take out the o-ring seal. Get rid of the right front wheelhouse, take out the connection between the auxiliary Evaporator hose and the auxiliary Evaporator and cut out the o-ring seal. Take the auxiliary compressor hose off the auxiliary Evaporator, remove the screws and hose clips and finally take out both hoses: the auxiliary Evaporator hose and the compressor hose. You should start the installation by putting on the auxiliary compressor hose and the auxiliary Evaporator hose and then the clips. Tighten the screw heads until you reach a torque of 6 n.m (or 53 lb in). Grease the o-ring of the auxiliary compressor hose with 525 viscosity oil, install it and connect the hose to the auxiliary Evaporator, making sure the tightness is 32 n.m (24 lb ft). Cover the o-ring on the new auxiliary Evaporator hose with 525 viscosity refrigerant oil, fit it onto the hose and secure it to the auxiliary Evaporator so that it is tightened to 17 n.m (13 lb ft). Put the correct right front wheelhouse in place, grease the auxiliary compressor hose's new o-ring seal with 525 viscosity refrigerant oil, install it and secure the refrigerant hose to the auxiliary compressor hose using 24 n.m or 18 lb ft of torque. Bring down the vehicle, attache an o-ring seal for the auxiliary Evaporator (525 viscosity refrigerant oil) to the new hose, install it and fit the tube from the auxiliary Evaporator to the auxiliary Evaporator hose, making sure to tighten it to 24 n.m (18 lb ft). Afterward, set back the air cleaner assembly, top up the ac and look for any leaks.

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