How to Change Glow Plugs on VW Jetta Mk6 (162, 163, AV3, AV2)

Similar Video Tutorial

A video tutorial showing the replacement procedure for a similar car part on another vehicle is available. This video demonstrates the process for a VW Passat B7 Saloon (362) 2.0 TDI.

Important Information

⚠️ This replacement procedure is applicable for: VW Jetta Mk6 (162, 163, AV3, AV2) 1.6 TDI and VW Jetta Mk6 (162, 163, AV3, AV2) 2.0 TDI. The steps may vary slightly depending on the specific car design.

Tools You Might Need

The following tools are recommended for the glow plug replacement:

• WD-40 spray
• Electronic spray
• High-temperature ceramic grease
• Torque wrench
• Spark plug socket #10
• Torx bit T27
• Ratchet wrench
• Flat screwdriver
• Needle nose pliers
• Fender cover

Recommended Procedure

AUTODOC experts recommend the following steps for replacing glow plugs on the VW Jetta Mk6 (162, 163, AV3, AV2):

• The replacement procedure is identical for all glow plugs.
• Wear gloves to protect your hands from hot surfaces.

CARRY OUT REPLACEMENT IN THE FOLLOWING ORDER:

1. Open the bonnet.
2. Use a fender protection cover to prevent damaging paintwork and plastic parts of the car.
3. Before starting work, start the engine and let it warm up to operating temperature.
4. Shut off the engine.
5. Unscrew the bracket for the engine pipes using a Torx T27 bit and a ratchet wrench.
6. Detach the engine wiring harness using a flat screwdriver.
7. Detach the engine wiring harness connectors using a flat screwdriver.
8. Detach the glow plug wiring connectors using needle nose pliers.
9. Clean dirt, dust, and debris from inside the spark plug wells.
10. Treat the glow plugs with WD-40 spray.
11. Unscrew the glow plugs using the spark plug socket #10 and a torque wrench.
12. Clean dirt, dust, and debris from inside the spark plug wells again.
13. Remove the glow plugs using the spark plug socket #10 and needle nose pliers.
14. Treat the new glow plugs with high-temperature ceramic grease.
15. Install new glow plugs into their mounting seats using needle nose pliers.
16. Tighten the glow plugs using the spark plug socket #10 and a torque wrench. Tighten to 14 Nm torque.
17. Attach the glow plug wiring connectors.
18. Treat the engine wiring harness connectors using dielectric grease.
19. Attach the engine wiring harness connectors.
20. Attach the engine wiring harness.
21. Screw in the bracket for the engine pipes using a Torx T27 bit and a torque wrench. Tighten to 7 Nm torque.
22. Run the engine for a few minutes to ensure proper operation.
23. Shut off the engine.
24. Remove the fender protection cover.
25. Close the hood.

✅ WELL DONE!

Tips from AUTODOC Experts

Important Tips for Glow Plug Replacement:

• Do not tighten the glow plugs with excessive force, as exceeding the specified torque can damage the thread connection.
• Be careful when working with a spark plug wrench; its skewing can cause damage to the threaded connection.
• Please note: Do not touch the heating element, as fingerprints may cause malfunction.

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Disclaimer

The document provides general recommendations for repair or replacement work. AUTODOC is not liable for any loss, injury, or property damage resulting from incorrect use or misinterpretation of the information. AUTODOC is not liable for any mistakes or uncertainties in this guide. The information is for informational purposes only and does not replace specialist advice. AUTODOC is not liable for incorrect or hazardous usage of equipment, tools, or car parts. AUTODOC strongly recommends observing safety rules during repair or replacement. Using low-quality auto parts does not guarantee road safety.

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