how to fix my Volkswagen Golf Seventh Generation (2013-2020) that won't start just clicks

Volkswagen Golf Eighth Generation (2020-present)

Error Codes

1-3 hours

Time

medium

Difficulty

high

Severity

3 min read

517 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 starting issues in Volkswagen Golf (2013-2020). Step-by-step guide with symptoms, diagnostic steps, and repair instructions.

Affected Component

Electrical

Estimated Time

1-3 hours

⚠️ Safety Warnings

Important safety information - read before proceeding

•Disconnect the battery before working on electrical systems.
•Allow the engine to cool before handling any components around it.

Symptoms

•No engine turnover or cranking sound
•Single or multiple clicking sounds from the engine bay
•Dashboard lights dimming or flickering when attempting to start
•Possible illumination of the battery warning light
•Reduced power in electrical components

Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any stored fault codes.
2
Inspect the battery voltage with a multimeter to determine if it’s below the required 12.4 volts.
3
Check battery terminals for corrosion or loose connections.
4
Test the starter motor relay by swapping it with a similar relay in the fuse box.
5
Inspect the fuses related to the starting system for any blown fuses.
6
Check the condition and tightness of the ignition switch and wiring harness.

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

•OBD-II scanner
•Multimeter
•Socket set
•Torque wrench
•Screwdriver set

Parts Required

•New battery
•Starter motor

Related Faults

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Diagnostic Steps

1
Scan for error codes using an OBD-II scanner to check for any stored fault codes.
2
Inspect the battery voltage with a multimeter to determine if it’s below the required 12.4 volts.
3
Check battery terminals for corrosion or loose connections.
4
Test the starter motor relay by swapping it with a similar relay in the fuse box.
5
Inspect the fuses related to the starting system for any blown fuses.
6
Check the condition and tightness of the ignition switch and wiring harness.

Solution

1. Preparation

Gather all necessary tools and parts.
Disconnect the negative terminal of the battery to ensure safety.

Tools Required:

OBD-II scanner
Multimeter
Socket set
Torque wrench
Screwdriver set

2. Battery Inspection and Replacement

1.1. Check Battery Condition
- Measure the battery voltage using the multimeter.
- If the voltage is below 12.4 volts, proceed to replace the battery.
1.2. Remove the Battery
- Unscrew and remove the battery terminals (negative first, then positive).
- Remove any retaining brackets and lift the battery out.

Parts Required:

New battery (if needed)

3. Starter Motor and Connections

2.1. Inspect Battery Cables
- Clean any corrosion from the battery terminals and connectors.
- Ensure that the connections are secure and properly tightened.
2.2. Check Starter Motor
- Locate the starter motor and inspect its connections for any damage or looseness.
- If necessary, remove the starter motor by unscrewing the mounting bolts and disconnecting electrical connectors.

Parts Required:

Starter motor (if replacement is necessary)

4. System Testing

3.1. Reconnect Battery
- Reconnect the battery terminals, ensuring the positive terminal is connected first.
3.2. Test Start the Vehicle
- Turn the ignition key to the start position and listen for the starter motor operation.
3.3. Final Inspection
- If the car starts, monitor for any irregularities; if it does not start, further diagnostics may be needed.