🔧 Sedona - A/C Compressor Replacement

Replacing the A/C compressor on your Sedona involves removing the drive belt, disconnecting the refrigerant lines and electrical connector, unbolting the compressor, then installing the new unit with new seals. The A/C system must be evacuated and recharged with the correct refrigerant amount to prevent damage and get cold air again.

Difficulty Level: Advanced | Estimated Time: 3-6 hours

Assumption: your Sedona uses R-134a; verify under-hood label.

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⚠️ Safety & Precautions

• ⚠️ Do not vent refrigerant to the air; have a shop recover it first.
• ⚠️ A/C lines can cause frostbite; wear gloves and eye protection.
• ⚠️ Disconnect the negative battery cable before unplugging the compressor.
• ⚠️ Keep dirt out of A/C openings; cap/plug lines immediately.
• ⚠️ Support the van with jack stands; never rely on a floor jack alone.

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🔧 Required Tools

You'll need the following tools for this repair:

• Safety glasses
• Nitrile gloves
• Floor jack (rated 3-ton minimum)
• Jack stands (rated 3-ton minimum)
• Wheel chocks
• Metric socket set (8mm-19mm)
• 3/8" drive ratchet
• 1/2" drive breaker bar
• Torque wrench (10-150 ft-lbs)
• Serpentine belt tool (specialty)
• Phillips screwdriver
• Trim clip removal tool
• Line/cap plug kit for A/C fittings (specialty)
• Pick tool set
• Shop rags
• UV flashlight (specialty)
• A/C manifold gauge set for R-134a (specialty)
• Vacuum pump (specialty)
• Refrigerant recovery machine (specialty)
• Scan tool with A/C data (specialty)

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🔩 Required Parts

HowToo sells all the parts you need for this repair:

• A/C compressor - Qty: 1
• A/C compressor oil (PAG, correct viscosity for Sedona) - Qty: 1
• A/C line O-ring kit - Qty: 1
• Receiver/drier or desiccant element (if serviceable separately) - Qty: 1
• Refrigerant (R-134a) - Qty: As specified on under-hood label
• Serpentine belt - Qty: 1

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📋 Before You Begin

• Park on level ground, set the parking brake, and place wheel chocks behind the rear wheels.
• Have a shop recover the refrigerant before you open any A/C lines.
• Disconnect the battery: use a 10mm socket to remove the negative cable and isolate it so it can’t spring back.
• Raise the front safely using a floor jack and support with jack stands.
• “Receiver/drier” removes moisture from refrigerant.

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🔨 Step-by-Step Instructions

Follow these steps in order:

Step 1: Remove the lower splash shield

• Use a trim clip removal tool and Phillips screwdriver to remove clips/screws from the lower engine cover.
• Set hardware aside in a tray so nothing gets lost.

Step 2: Remove the serpentine belt from the A/C compressor

• Locate the belt routing; take a photo for reference.
• Use a serpentine belt tool to rotate the tensioner and slide the belt off the compressor pulley.
• Tensioner is a spring-loaded belt arm.

Step 3: Unplug the compressor electrical connector

• Use a pick tool set carefully to lift the connector lock tab if needed.
• Pull the connector straight off; do not yank on the wires.

Step 4: Disconnect the A/C refrigerant lines at the compressor

• Place shop rags under the fittings to catch any oil residue.
• Use the correct metric socket to remove the line flange bolts.
• Immediately install line/cap plug kit for A/C fittings (specialty) on both open lines and the compressor ports.
• Torque to 9-11 Nm (80-97 in-lbs) when reinstalling the A/C line flange bolts.

Step 5: Remove the A/C compressor mounting bolts

• Support the compressor with one hand while loosening the bolts.
• Use a metric socket set (8mm-19mm) and 3/8" drive ratchet to remove the compressor mounting bolts.
• Lower the compressor out carefully to avoid bending any lines nearby.
• Torque to 24-30 Nm (18-22 ft-lbs) when reinstalling the compressor mounting bolts.

Step 6: Prep the new compressor (oil and seals)

• Drain the old compressor oil into a measuring cup (use shop rags to keep it clean).
• Add the same amount of fresh compressor oil to the new compressor unless the new unit’s instructions specify otherwise.
• Replace the line seals: use a pick tool set to remove old O-rings and install new ones from the A/C line O-ring kit.
• Lightly coat new O-rings with clean compressor oil before assembly.
• O-rings seal the refrigerant connection.

Step 7: Install the new compressor

• Position the compressor and hand-start all mounting bolts to prevent cross-threading.
• Use a torque wrench (10-150 ft-lbs) to tighten mounting bolts: Torque to 24-30 Nm (18-22 ft-lbs).
• Reconnect the A/C lines and torque the flange bolts: Torque to 9-11 Nm (80-97 in-lbs).
• Reconnect the electrical connector until it clicks.

Step 8: Reinstall the serpentine belt

• Route the belt exactly like your photo.
• Use a serpentine belt tool (specialty) to rotate the tensioner and slip the belt over the last pulley.
• Visually confirm the belt is centered on every pulley groove.

Step 9: Reinstall splash shield and lower the van

• Use a Phillips screwdriver and trim clip removal tool to reinstall the lower cover and clips.
• Lower the van from jack stands using the floor jack.

Step 10: Evacuate, leak-check, and recharge the A/C system

• Connect an A/C manifold gauge set for R-134a (specialty) to the high/low service ports.
• Use a vacuum pump (specialty) to pull vacuum; hold vacuum to confirm no leaks.
• Recharge with R-134a by weight exactly as shown on the under-hood A/C label.
• If you don’t have recovery/recharge equipment, install the compressor and then have a shop perform evac/recharge.

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✅ After Repair

• Reconnect the battery negative terminal using a 10mm socket.
• Start the engine and set A/C to MAX; confirm the compressor engages and the air gets cold.
• Use a UV flashlight (specialty) to check fittings for signs of dye/oil leakage.
• If available, use a scan tool with A/C data (specialty) to confirm pressure sensor readings look normal.
• If the old compressor failed loudly, debris may exist.

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💰 DIY vs Shop Cost

Shop Cost: $900-$1,800 (parts + labor + evac/recharge)

DIY Cost: $250-$900 (parts only, plus evac/recharge fee if outsourced)

You Save: $400-$900 by doing it yourself!

Shop labor rates vary but typically run $100-$150/hour. This repair takes a shop approximately 3-5 hours.

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🎯 Ready to get started?

HowToo makes it easy: same-day/2-day shipping on every part, plus all the tools and specialty tools you need! Check out the parts and tools sections below to add everything to your cart.