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Home/Cars/Genesis/G70/IG (2017-2023)/my Genesis G70 AC is blowing warm air what should I check

my Genesis G70 AC is blowing warm air what should I check

Genesis G70 IG (2017-2023)

Severity: mediumDifficulty: medium2-4 hours
3 min read
509 words

Problem Statement

Complete guide to fixing AC that blows warm air in Genesis G70. Includes symptoms, diagnostic steps, tools required, and repair procedures.

Component
HVAC
Repair Time
2-4 hours

Safety Warnings

  • ⚠Disconnect battery before working on electrical systems.
  • ⚠Allow the engine to cool before inspecting or replacing AC components.
  • ⚠Handle refrigerant with care, as it can be hazardous.

Symptoms

  • •Warm air blowing from the AC vents
  • •AC compressor not engaging
  • •Unusual noises from the AC system
  • •Condenser or evaporator freezing up
  • •Poor cabin air circulation

Diagnostic Steps

  1. 1Inspect the AC settings to ensure the system is set to 'cool' and the temperature is adjusted correctly.
  2. 2Check the refrigerant level using a gauge to determine if it is low.
  3. 3Scan the vehicle's onboard computer for any error codes related to the AC system.
  4. 4Inspect the AC compressor for signs of wear or damage.
  5. 5Examine the fuses and relays associated with the AC system for any failures.
  6. 6Check for leaks in the AC system components, including hoses and connections.

Solution

Solution

1. Preparation

  • Gather necessary tools and parts.
  • Ensure the vehicle is parked on a level surface.
  • Disconnect the battery to prevent electrical shorts.

2. Check and Recharge Refrigerant

  • Tools Required: AC manifold gauge set, refrigerant, safety gloves, and goggles.
    • Attach the pressure gauges to the high and low service ports.
    • Assess the readings; if low, proceed to recharge.
    • Follow the manufacturer's specifications for the correct refrigerant type and amount.
  • Safety Warning: Handle refrigerant with care, as it can be hazardous.

3. Inspect and Replace AC Compressor

  • Tools Required: Socket set, torque wrench, and AC compressor replacement.
    • Disconnect the electrical connector from the compressor.
    • Remove the serpentine belt from the compressor.
    • Unscrew the mounting bolts and remove the AC compressor.
    • Install the new compressor and torque the bolts to manufacturer specifications.
    • Reconnect the electrical connector and serpentine belt.

4. Inspect and Replace AC Condenser

  • Tools Required: Socket set and new AC condenser.
    • Remove the front grille and any components blocking access to the condenser.
    • Disconnect the refrigerant lines from the condenser.
    • Unscrew and remove the old condenser.
    • Install the new condenser and reconnect refrigerant lines, ensuring a proper seal.

5. Test the System

  • Reconnect the battery and start the vehicle.
  • Turn on the AC system to check for proper operation and cold air.

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

  • AC manifold gauge set
  • Socket set
  • Torque wrench
  • Safety gloves
  • Safety goggles

Parts Required

  • Refrigerant
  • AC compressor (if needed)
  • AC condenser (if needed)

Additional Information

Component

HVAC

Repair Time

2-4 hours

Difficulty

medium

Severity

medium

Tools

5 items

Parts

3 items

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