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Home/Cars/Renault/Clio/V (2019-Present)/how to fix the air conditioning not working in Renault Clio V

how to fix the air conditioning not working in Renault Clio V

Renault Clio V (2019-Present)

Error Codes
Severity: mediumDifficulty: medium2-4 hours
3 min read
588 words

Problem Statement

Learn how to diagnose and fix air conditioning issues in Renault Clio V. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Component
HVAC
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect battery before working on electrical systems.
  • ⚠Ensure refrigerant is handled according to safety guidelines and regulations.
  • ⚠Allow the engine to cool before performing any work on the A/C system.

Symptoms

  • •Air conditioning does not cool air effectively
  • •Unusual noises from the A/C compressor
  • •A/C system does not turn on at all
  • •Presence of warm air from the vents despite A/C being activated
  • •A/C warning light is illuminated on the dashboard
  • •Condensation or water pooling under the vehicle

Diagnostic Steps

  1. 1Inspect the A/C control settings to ensure it is set to the A/C mode.
  2. 2Check the A/C fuse for continuity and replace if blown.
  3. 3Use an OBD-II scanner to check for any related error codes.
  4. 4Inspect the refrigerant level using a manifold gauge set.
  5. 5Check for any visible leaks in the A/C system components.
  6. 6Test the A/C compressor operation by manually engaging the clutch.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Disconnect the battery to ensure safety.
  • Ensure the vehicle is parked in a well-ventilated area.

2. Check and Replace the A/C Fuse

  • Tools Required: Fuse puller, new fuse
  • Locate the fuse box, usually found under the dashboard or in the engine compartment.
  • Remove the A/C fuse using the fuse puller.
  • Inspect the fuse for damage; if blown, replace it with a new fuse of the same amperage.

3. Recharge the A/C System

  • Tools Required: Manifold gauge set, refrigerant canister
  • Connect the manifold gauge set to the low-pressure and high-pressure service ports.
  • Check the readings to determine if the refrigerant is low.
  • If low, follow the instructions on the refrigerant canister to recharge the system, ensuring to add the correct type of refrigerant specified for the Renault Clio V (usually R134a).

4. Inspect and Replace the A/C Compressor

  • Tools Required: Socket set, torque wrench, A/C compressor replacement kit
  • Locate the A/C compressor and visually inspect for any signs of wear or damage.
  • If the compressor is defective, disconnect the electrical connector and the refrigerant lines (ensure the system is evacuated before this step).
  • Remove the mounting bolts securing the compressor and take out the old compressor.
  • Install the new compressor by reversing the removal steps, tightening the bolts to the manufacturer’s specifications.

5. Test the A/C System

  • Reconnect the battery and start the engine.
  • Turn on the A/C system and monitor for cooling effectiveness.
  • Use the manifold gauge set to confirm proper pressure readings.

Verification

After completing the repair, verify that the issue has been resolved:

  • Test the affected component to ensure it functions correctly
  • Check for any error codes or warning lights
  • Monitor the vehicle for a few days to ensure the issue does not recur

Prevention Tips

To prevent this issue from occurring again:

  • •Follow the manufacturer's recommended maintenance schedule
  • •Address warning signs early before they develop into major issues
  • •Use quality parts and fluids recommended for your vehicle
  • •Keep detailed records of all repairs and maintenance

Tools & Equipment Required

  • OBD-II scanner
  • Manifold gauge set
  • Fuse puller
  • Socket set
  • Torque wrench
  • Refrigerant canister

Parts Required

  • A/C fuse (if blown)
  • Refrigerant (R134a)
  • A/C compressor (if defective)

Additional Information

Component

HVAC

Repair Time

2-4 hours

Difficulty

medium

Severity

medium

Tools

6 items

Parts

3 items

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