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HOMESERVICE MANUALSVOLKSWAGEN2002GOLF GLS, 2.0 K, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 17 (1.9L - TDI AND TDI PD GENERIC SCAN TOOL, ENGINE CODE(S): ALH, BEW (A4 PLATFORM))28 IGNITION/GLOW PLUG SYSTEMGLOW PLUG SYSTEM, CHECKINGGLOW PLUGS, CHECKING
2002 Volkswagen Golf GLS, 2.0 K, Standard

Glow plugs, checking

2002 Volkswagen Golf GLS, 2.0 K, StandardSECTION Glow plugs, checking
WARNING: This page is about a different variant/trim than selected.

Recommended special tools and equipment 

  • V.A.G1527 voltage test lamp
  • V.A.G1594 connector test kit
  • 3220 flex wrench

Requirements 

Fig 1: Identifying Main Fuse Panel
GW00000097Courtesy of VOLKSWAGEN UNITED STATES, INC.
  • The respective fuses of Diesel-Direct fuel injection system must be OK:

Refer to Electrical Wiring Diagrams, Troubleshooting & Component Locations

  • Battery voltage must be at least 11.5 volts.
  • Ignition switched off

Test sequence 

  • Disconnect glow plug connectors from glow plugs.
Fig 2: Voltage Test Lamp Wire Connected To B+ Using Adapter Clips
GW00001107Courtesy of VOLKSWAGEN UNITED STATES, INC.
  • Connect voltage test lamp wire to B+ using adapter clips from connector test kit.
  • Attach test lead of voltage test lamp to each glow plug in succession.

LED lights up: Glow plug OK.

LED does not light up: Replace glow plug

  • Remove and install glow plugs using 3220 flex wrench

Tightening torque: 15 Nm.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.