Accumulator HVAC: Service and Repair

2007 Chevrolet Aveo L4-1.6LSECTION Service and Repair


Accumulator Replacement

Removal Procedure






Caution: Refer to Battery Disconnect Caution.

1. Disconnect the negative battery cable.
2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging.
3. Remove the screw that secures the receiver-dryer band clamp.
4. Remove the receiver-dryer with the bolts.
5. Drain the oil from the receiver-dryer into a container. Measure the amount of oil drained from the receiver dryer and then discard this used oil.

Installation Procedure






Important: Do not uncap the new unit until just prior to installation.

1. Add oil to the new receiver-dryer. Use the exact amount of oil that you drained from the receiver-dryer.
2. Install new O-rings in the seal area recess of the new receiver-dryer.
3. Install the receiver-dryer into the clamp position.

Notice: Refer to Fastener Notice.

4. Install the connector block retaining bolt to the receiver-dryer.

Tighten
Tighten the receiver-dryer bolt to 14 N.m (10 lb ft).

5. Install and tighten the band clamp bolt.
6. Connect the negative battery cable.
7. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.