how to fix my Volkswagen Golf MK7 (2015-2019) that won't start just clicks

Volkswagen Golf MK8.5 (2024-Present)

Error Codes

2-4 hours

Time

medium

Difficulty

high

Severity

3 min read

524 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 no-start condition with clicking sounds in Volkswagen Golf MK7 (2015-2019). Step-by-step guide with tools and procedures.

Affected Component

Electrical

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 inspecting the starter motor.

Symptoms

•Clicking sound when turning the ignition key
•Dashboard lights dimming or flickering
•Engine does not crank
•Battery warning light illuminated
•Possible intermittent electrical issues

Diagnostic Steps

1
Inspect the battery terminals for corrosion or loose connections.
2
Test battery voltage using a multimeter; it should be above 12.4 volts.
3
Check the battery's state of charge and health with a load test.
4
Inspect the starter motor connections and wiring for damage or looseness.
5
Test the starter relay and fuses associated with the starting system.
6
Evaluate the ignition switch for functionality.

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
•Battery terminal cleaner
•Load tester
•Socket set
•Ratchet
•Torque wrench
•Fuse tester

Parts Required

•New battery (if necessary)
•Starter motor (if necessary)
•Starter relay (if necessary)
•Fuses (if necessary)

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Diagnostic Steps

1
Inspect the battery terminals for corrosion or loose connections.
2
Test battery voltage using a multimeter; it should be above 12.4 volts.
3
Check the battery's state of charge and health with a load test.
4
Inspect the starter motor connections and wiring for damage or looseness.
5
Test the starter relay and fuses associated with the starting system.
6
Evaluate the ignition switch for functionality.

Solution

1. Preparation

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

2. Battery Inspection and Testing

Tools Needed: Multimeter, battery terminal cleaner, load tester.
Clean the battery terminals using a battery terminal cleaner.
Reconnect the terminals securely.
Use a multimeter to measure battery voltage; if below 12.4 volts, charge or replace the battery.
Perform a load test to confirm battery health. Replace if it fails the test.

3. Starter Motor Inspection

Tools Needed: Socket set, ratchet, torque wrench.
Locate the starter motor, typically found near the transmission.
Disconnect the electrical connections from the starter.
Remove the starter mounting bolts using the socket set.
Inspect the starter for any physical damage or signs of wear; bench test it if possible.
Reinstall or replace the starter motor as needed, ensuring all connections are tight.

4. Relay and Fuse Check

Tools Needed: Fuse tester or multimeter.
Locate the fuse box and check the starter relay and fuses.
Replace any blown fuses or faulty relays as necessary.

5. Ignition Switch Evaluation

Tools Needed: Multimeter.
Remove the steering column cover to access the ignition switch.
Use the multimeter to test for continuity at the ignition switch in the "Start" position.
Replace the ignition switch if it does not show continuity.