how to fix the AC not blowing cold air in Tesla Outback 5th Generation (2015-2019)

Subaru Outback 5th Generation (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

medium

Severity

4 min read

604 words

Problem Statement

Learn how to diagnose and fix the AC not blowing cold air in Tesla Outback 2015-2019. Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

HVAC

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before opening the hood.

Symptoms

•AC system blows warm air
•AC compressor not engaging
•Unusual noises from the AC system
•Foul odors coming from the vents
•Reduced airflow from the vents
•AC light blinking or not illuminated

Diagnostic Steps

1
Check the refrigerant level using a manifold gauge set.
2
Inspect the AC compressor for signs of damage or leaks.
3
Examine the AC fuse and relay in the fuse box for continuity.
4
Use an OBD-II scanner to check for error codes related to the AC system.
5
Inspect the cabin air filter for clogs or dirt that could restrict airflow.
6
Verify the functionality of the AC control module and associated switches.

Solution

💡 Expert Tip

For complex repairs like this, consider taking photos at each step. This helps if you need to reverse a step or consult with a mechanic. Also, keep all removed parts organized - you may need to reference them during reassembly.

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

•Manifold gauge set
•Multimeter
•Socket set
•Torque wrench
•Screwdriver set

Parts Required

•Refrigerant
•AC compressor
•Cabin air filter

Related Faults

Share this solution

Comments

No comments yet

Be the first to share your thoughts

Back to Generation

Diagnostic Steps

1
Check the refrigerant level using a manifold gauge set.
2
Inspect the AC compressor for signs of damage or leaks.
3
Examine the AC fuse and relay in the fuse box for continuity.
4
Use an OBD-II scanner to check for error codes related to the AC system.
5
Inspect the cabin air filter for clogs or dirt that could restrict airflow.
6
Verify the functionality of the AC control module and associated switches.

Solution

1. Preparation

Gather all necessary tools and parts.
Ensure the vehicle is parked on a flat surface and the engine is off.
Disconnect the battery to ensure safety.

Tools Required:

Manifold gauge set
Multimeter
Socket set
Torque wrench
Screwdriver set
Refrigerant (if needed)

2. Check and Recharge Refrigerant

1.1 Connect the manifold gauge set to the low and high-pressure service ports.
1.2 Read the pressure levels; if below the manufacturer's specifications, proceed to recharge.
1.3 Using the appropriate refrigerant, follow the manufacturer’s guidelines to recharge the AC system through the low-pressure port.
1.4 Monitor the pressures while adding refrigerant; do not overfill.

3. Inspect and Replace AC Compressor

2.1 Locate the AC compressor, typically near the front of the engine bay.
2.2 Remove the drive belt from the AC compressor using a wrench.
2.3 Disconnect the electrical connector from the AC compressor.
2.4 Remove the mounting bolts securing the compressor to the engine block.
2.5 Carefully detach the compressor and replace it with a new unit, ensuring to use new O-rings for the refrigerant lines.
2.6 Torque the bolts to the manufacturer’s specifications and reconnect the electrical connector.

4. Inspect and Replace Cabin Air Filter

3.1 Locate the cabin air filter housing, typically behind the glove compartment.
3.2 Remove the glove compartment to access the filter housing.
3.3 Take out the old cabin air filter and clean the housing.
3.4 Insert a new cabin air filter, ensuring it is installed in the correct orientation.

5. Test and Reassemble

4.1 Reconnect the battery and start the engine.
4.2 Turn on the AC system and set it to the coldest setting.
4.3 Check for proper airflow and temperature from the vents.
4.4 Reassemble any components removed during the repair.