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Auxiliary/supplementary heater -> 2.9 Dismantling and assembling heater unit for Your Volkswagen Transporter Van Sixth generation (2015-2021)

Transporter 2020 ➤  
Auxiliary heater - Edition 04.2020  
Removing  
– Remove auxiliary heater ⇒ page 14 .  
– Unscrew bolt -3-.  
– Detach coolant connections together with bracket -4-.  
– Unclip cover -1- in area -2-.  
– Detach cover -1-.  
Installing  
Install in reverse order of removal, observing the following:  
– Check sealing surfaces for soiling and damage.  
– Moisten oil seals with coolant before installing coolant con‐  
nections.  
– Renew oil seals -3-.  
– Insert coolant connections together with bracket -2-.  
– Tighten bolt -1-.  
Torque settings  
⇒ “2.2 Assembly overview - auxiliary/supplementary heater, in‐  
ternal”, page 12  
2.9  
Dismantling and assembling heater unit  
Special tools and workshop equipment required  
♦ Torque wrench - V.A.G 1410-  
20  
Rep. gr.82 - Supplementary heating  
Transporter 2020 ➤  
Auxiliary heater - Edition 04.2020  
Dismantling  
– Remove cover ⇒ page 19 .  
– Unscrew bolts -1-.  
– Separate electrical connectors from temperature sensor -  
G18- and overheating sensor - G189- .  
– Pull heat exchanger off blower housing.  
– Remove seal -1-.  
– Disconnect electrical connector -3-.  
– Remove battery unit.  
Installing  
Assemble in the reverse order of dismantling, observing the fol‐  
lowing:  
Note  
Make sure that the gasket -1-, the grommet -4- and the fuel con‐  
nection -2- are positioned correctly.  
– Clean sealing surfaces.  
– Renew seal -1-.  
Torque settings  
⇒ “2.2 Assembly overview - auxiliary/supplementary heater,  
internal”, page 12  
2.10  
Removing and installing glow plug with  
flame monitor - Q8-  
Removing  
– Dismantle heater unit ⇒ page 20 .  
– Pull out retaining spring -1- in direction of -arrow-.  
– Remove retaining plate -2- in direction of -arrow-.  
– Pull out glow plug with flame monitor - Q8- -3-.  
Installing  
Install in reverse order of removal, observing the following:  
Note  
Observe installation position of retaining spring -1- and retain‐  
ing plate -2-.  
Curvature of retaining spring -1- faces up.  
2. Auxiliary/supplementary heater  
21