Passat 2015 ➤, Passat 2019 ➤, Passat Variant 2015 ➤, Passat Variant 2019 ➤
Maintenance - Edition 11.2020
♦ Area around trim strips
♦ Windscreen roof edge
♦ Outer and inner A-pillar
♦ Inner and outer bonnet
♦ Wheel arches
♦ Inner and outer tailgate
4.27
Poly V-belt: renewing
Sequence of operations
⇒ Rep. gr. 13; Cylinder block belt pulley end; Removing and
installing poly V-belt
4.28
Poly V-belt: checking condition
Sequence of operations
– Crank engine at vibration damper on pulley using a socket.
Check poly V-belt -1- for:
♦ Sub-surface cracks (cracks, core ruptures, cross-sectional
breaks)
♦ Layer separation (top layer, cord strands)
♦ Base disruption
♦ Frayed cord strands
88
4. Descriptions of work
Passat 2015 ➤, Passat 2019 ➤, Passat Variant 2015 ➤, Passat Variant 2019 ➤
Maintenance - Edition 11.2020
♦ Flank wear (material wear, frayed flanks, flank brittleness
-glassy flanks-, surface cracks)
NOTICE
•
•
If faults are found, it is absolutely necessary to renew the
poly V-belt.
In the case of diesel engines, toothed belts which came
into contact with oil, brake fluid, fuel or reducing agent,
must always be renewed.
•
In the case of petrol engines, toothed belts which came in‐
to contact with oil, brake fluid, fuel or coolant, must always
be renewed.
•
•
This can avoid breakdowns and malfunctions.
The replacement of a poly V-belt is a repair measure.
4. Descriptions of work
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