Passat 2011 ➤ , Passat Variant 2011 ➤
Maintenance - Edition 01.2019
4.18
Natural gas tank: renew.
WARNING
Service and maintenance on the high pressure part of natural
gas system must only be performed by specially trained per‐
sonnel.
Natural gas is highly flammable and, in combination with air,
creates a combustible mixture.
There must be no open flame or source of ignition near the
natural gas system.
Inhaling natural gas can lead to light-headedness and lung
damage. High concentrations may lead to suffocation due to
lack of oxygen.
Natural gas is NOT odourless because a gas having a strong
odour is added.
⇒ Fuel supply system - natural gas engines; Rep. gr. 20 ; Fuel
tanks; Removing and installing natural gas tank .
4.19
Natural gas filler connection and sealing
cap: check condition, clean if necessary
and check seal.
Special tools and workshop equipment required
♦ Lint-free cloth
– Open tank flap and remove protective cap from natural gas
filler neck.
– Check if seal is fitted and its condition -arrow-.
– Check natural gas filler neck for dirt, damage, and surface
corrosion. Clean natural gas filler neck ONLY from outside.
– If the filler neck is dirty, clean off dirt using compressed air.
The filler neck will not be damaged as a result.
– If corrosion is found on the surface of the natural gas filler neck,
remove it using a lint-free cloth.
4.20
Fault memory of all systems: reading
with vehicle diagnostic tester , correct‐
ing possible faults according to repair
guidelines
– Read event memory ⇒ Vehicle diagnostic tester.
– Repair all faults according to repair guidelines.
Caution
The vehicle must always be delivered to the customer with
event memory cleared.
4. Descriptions of work:
87
Passat 2011 ➤ , Passat Variant 2011 ➤
Maintenance - Edition 01.2019
Static faults
If one or more static faults are found in the event memory, we
recommend seeking agreement from the customer to rectify
these faults using Guided Fault Finding.
Sporadic faults
If only sporadic faults or notes are stored in the event memory
and the customer has no complaints regarding the electronic ve‐
hicle system, erase event memory.
4.21
Bonnet catch hook: grease.
Special tools and workshop equipment required
♦ Universal oil spray G 000 115 A2
Note
Vehicle must be at least at room temperature.
– Lubricate bonnet arrester with universal oil spray G 000 115
A2 at points marked with -arrows-.
– Operate moving parts several times so that universal oil is able
to penetrate.
– Remove any excess lubricant using a lint-free cloth.
4.22
Gearbox, final drive and drive shaft
boots: inspect for leaks and damage.
– Check outer and inner boots -arrows- for leaks and damage.
– Ensure clamps -1- are fitted on boots.
88
4. Descriptions of work:
2024 VW Passat Owner's Manual
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