Volkswagen Workshop Service and Repair Manuals

Special tools, workshop equipment, testers, measuring instruments and auxiliary items required

• ◆ → V.A.G 1594 A Measuring appliance

• ‒ Remove cover above thermostat housing.
• ‒ Switch on ignition and then switch off again.
• ‒ Pull 4-pin connector off radiator fan run-on thermo switch (F87) with coolant temperature gauge sender (G2) -yellow-.

• ‒ → Bridge contacts -1- and -3- of connector (brown/red and brown wires) with aux. cables from V.A.G 1594.
       Radiator fan (V7) and continued coolant circulation
       pump (V51) must run.

Note:

Check radiator fan run-on with test system V.A.G 1466

=> Current flow diagrams, Electrical fault finding and Fitting locations binder