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Autopa ... 5/30/2019

2013 Chevrolet Express 2500 LT 8 Cyl 6.00L

Engine

How I Replace an Air Conditioner Receiver Drier of my car?

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Designed to store and dry A/C refrigerant. There is a desiccant inside that absorbs moisture from the refrigerant. Driers are used in expansion valve equipped A/C systems. It is the job of the Drier to protect the rest of the A/C system against moisture damage. The desiccant bag can only hold a finite quantity of dampness. If too much water gets into the system, the Drier should be replaced. The Drier should also be replaced if it leaks, is clogged or the A/C compressor is being replaced.

Signs of a failed Drier include desiccant in the A/C system, moisture in the system, ice build up on the Drier or a temperature drop between the unit inlet and outlet.

Locate the Drier:

The Drier is located between the located on the high-pressure side of the A/C system between the condenser and evaporator.

Remove the Drier:

Step 1: Have the refrigerant recovered by a professional. Before the Drier can be replace, the A/C refrigerant must be removed from the system. This can only be done by a professional using an evacuation machine.

Step 2: separate the negative battery cable. Cut off the negative battery cable by a wrench of ratchet. Then set it aside.

Step 3: Remove any electrical connections from the Drier.

Step 4: Disconnect the lines from the Drier. Separate the outline from the Drier using a wrench. Cap the lines off to prevent contamination.

Installing the new Drier:

Step 1: Measure the amount of oil in the Drier. Measure the amount of oil in the old Drier by pouring it into a graduated glass. If oil has leaked out of the system, use the manufacturer's recommended amount to refill the Drier.

Step 2: Add oil to the Drier. put in the correct amount of oil, as resolute from the previous stride. Most A/C systems use PAG oil, but a few use Polyol Glycol, so it's important to determine which is used in your vehicle.

Step 3: Replace the pressure line o-rings. Take away the oil o-rings as of the A/C pressure lines with a small screwdriver.

Step 4: Install the Drier. Lower the new Drier into position, reinstall any mounting fasteners and tighten them down.

Step 5: Reinstall the lines. Reinstall the lines and tighten down the fasteners

Step 6: Reinstall the electrical connectors. Reinstall any electrical connectors.

Step 7: Reconnect the negative battery cable.

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