why does my Tesla Outback's engine make a clicking noise when I start it

Subaru Outback 5th Generation (2015-2019)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

516 words

⚠️ Safety Warning

This issue requires immediate attention. If you are not experienced with automotive repairs, consult a professional mechanic. Working on critical systems can be dangerous.

Problem Statement

Learn how to diagnose and fix the clicking noise when starting your Tesla Outback. Step-by-step guide with diagnostic procedures and repair instructions.

Affected Component

Electrical

Estimated Time

2-4 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect battery before working on electrical systems.
•Ensure the vehicle is in park or neutral with the parking brake engaged.

Symptoms

•Clicking sound when attempting to start the engine
•Engine does not crank or starts slowly
•Dashboard lights may dim during starting
•Battery warning light illuminated
•Possible intermittent electrical issues

Diagnostic Steps

1
Inspect the battery terminals for corrosion or loose connections.
2
Measure the battery voltage with a multimeter; it should be above 12.4 volts when at rest.
3
Check the battery condition and age; replace if it is more than 3-5 years old.
4
Test the starter motor by applying direct voltage to it to see if it engages.
5
Inspect the starter relay and fuses for continuity and proper operation.
6
Examine the ignition switch for proper function.
7
Check for any loose or damaged wiring in the starting circuit.

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

•Multimeter
•Socket set
•Torque wrench
•Battery terminal cleaner

Parts Required

•Replacement battery (if necessary)
•Replacement starter motor (if necessary)
•Starter relay (if necessary)

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Diagnostic Steps

1
Inspect the battery terminals for corrosion or loose connections.
2
Measure the battery voltage with a multimeter; it should be above 12.4 volts when at rest.
3
Check the battery condition and age; replace if it is more than 3-5 years old.
4
Test the starter motor by applying direct voltage to it to see if it engages.
5
Inspect the starter relay and fuses for continuity and proper operation.
6
Examine the ignition switch for proper function.
7
Check for any loose or damaged wiring in the starting circuit.

Solution

1. Preparation

Gather tools and parts required for the repair.
Ensure the vehicle is in a safe location with the engine off.
Disconnect the negative battery terminal to prevent electrical shock.

2. Battery Inspection and Replacement

Sub-steps:
1. Inspect battery terminals for corrosion; clean if necessary.
2. Use a multimeter to check battery voltage.
3. If the battery voltage is low, or the battery is old, replace the battery.
4. Remove the battery using a socket set (usually 10mm) to loosen the hold-down clamp.
5. Install the new battery, ensuring the positive terminal is connected first, followed by the negative.

3. Starter Motor Testing and Replacement

Sub-steps:
1. Locate the starter motor; it is typically mounted on the engine block.
2. Disconnect the electrical connectors and remove the mounting bolts using a socket set.
3. Inspect the starter motor for damage or wear.
4. If the motor is faulty, replace it with a new one, ensuring proper alignment during installation.
5. Reconnect the electrical connectors and secure the starter motor with bolts, torqueing them to manufacturer specifications.

4. Relay and Electrical Check

Sub-steps:
1. Locate the starter relay in the fuse box.
2. Remove and test the relay with a multimeter for continuity.
3. Replace the relay if it is defective.
4. Inspect any fuses related to the starting system; replace any that are blown.