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– Press control next to light switch to switch on the Head-up
Display.
– Carefully remove protective film on Head-up Display.
4.20
Interior and exterior body: inspecting for
corrosion with doors and flaps open
Test locations
♦ Sliding roof frame
♦ Inner and outer door frame
♦ Area around trim strips
♦ Windscreen roof edge
♦ Outer and inner A-pillar
♦ Bonnet
♦ Wheel arches
♦ Inner and outer tailgate
4.21
Poly V-belt: renewing
Procedure
⇒ Rep. gr. 13 ; Cylinder block belt pulley end; Removing and
installing poly V-belt
4.22
Poly V-belt: checking condition
Procedure
– Use a socket spanner to turn the engine at the vibration damp‐
er/pulley.
Check poly V-belt -1- for:
♦ Sub-surface cracks (cracks, core ruptures, cross sectional
breaks)
♦ Layer separation (top layer, cord strands)
♦ Base break-up
♦ Frayed cord strands
♦ Flank wear (material wear, frayed flanks, flank brittleness -
glassy flanks-, surface cracks)
♦ Traces of oil and grease
Caution
• If faults are found, it is essential for the poly V-belt to be
renewed.
• This can avoid breakdowns and malfunctions.
• The replacement of a poly V-belt is a repair measure.
Tiguan 2016 ➤ , Tiguan RUS 2017 ➤
Maintenance - Edition 08.2017
64
4. Descriptions of work:
