1999-2001 New Golf, New Jetta Wiring Harness, Coolant Contamination
Condition
Coolant leaking from coolant reservoir bottle wiring connector contaminates the wiring harness. Contamination can result in various malfunctions of the instrument cluster.
Service
If an instrument cluster exhibits a malfunction:
– Record Vehicle Mileage (odometer adaptation reading) (see Repair Manual).
– Print out any and all instrument cluster coding and adaptation values using the VAS 5051 for use after repairs are complete.
– Remove instrument cluster (see Repair Manual).
– Remove blue flat contact housing cover and inspect wire terminals for moisture or corrosion. If moisture or corrosion is found (arrow):
– Repair wiring using repair kit 1JM 998 001.
This kit contains overlay harnesses, splice connectors, tape and installation tube necessary to repair the affected harnesses. The instrument cluster, coolant bottle and fuel pump/fuel sender must also be replaced.
Get pdf 1999-2001 New Golf, New Jetta Wiring Harness, Coolant Contamination
