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Auxiliary/supplementary heater -> 2.6 Removing and installing circulation pump V55 for Your Volkswagen Transporter Van Sixth generation (2015-2021)

Transporter 2020 ➤  
Auxiliary heater - Edition 04.2020  
– Lower auxiliary heater -1- with bracket -2- in direction of  
-arrow-.  
– Pull out auxiliary heater -1- with bracket -2- from rubber mount‐  
ings -3-.  
Installing  
Install in reverse order of removal, observing the following:  
– Bleed coolant circuit ⇒ Rep. gr. 19 ; Cooling system, coolant;  
Draining and filling coolant .  
Torque settings  
⇒ “2.3 Assembly overview - auxiliary/supplementary heater  
attachments”, page 13  
2.5  
Removing and installing air intake si‐  
lencer  
Removing  
– Remove left underbody cladding ⇒ General body repairs, ex‐  
terior; Rep. gr. 66 ; Underbody cladding; Assembly overview  
- underbody cladding .  
– Unscrew bolts -3-.  
– Lower auxiliary heater -2- in direction of -arrow A-.  
Note  
The lines and coolant hoses remain connected.  
– Release spreader clip of air intake silencer -1- in direction of  
-arrow B-.  
– Pull off air intake silencer from auxiliary heater -2-.  
Installing  
Install in reverse order of removal, observing the following:  
Note  
The air intake silencer must not touch the auxiliary/supple‐  
mentary heater housing.  
Do not kink or crush aluminium pipe.  
Torque settings  
⇒ “2.3 Assembly overview - auxiliary/supplementary heater  
attachments”, page 13  
2.6  
Removing and installing circulation  
pump - V55-  
Special tools and workshop equipment required  
16  
Rep. gr.82 - Supplementary heating  
Transporter 2020 ➤  
Auxiliary heater - Edition 04.2020  
♦ Hose clamps to 25 mm - 3094-  
♦ Drip tray for workshop hoist - VAS 6208-  
Removing  
– Remove left underbody cladding ⇒ General body repairs, ex‐  
terior; Rep. gr. 66 ; Underbody cladding; Assembly overview  
- underbody cladding .  
CAUTION  
On a warm engine, the cooling system is under high pressure.  
Risk of scalding from steam or hot coolant.  
Skin and other parts of the body may be scalded.  
– Wear protective gloves.  
– Wear safety goggles.  
– To relieve pressure, cover the cap of the coolant expansion  
tank with a cloth, and open it carefully.  
2. Auxiliary/supplementary heater  
17  
Transporter 2020 ➤  
Auxiliary heater - Edition 04.2020  
– Clamp off coolant hoses -1- on circulation pump - V55- -5- us‐  
ing hose clamps, up to 25 mm - 3094- .  
– Disconnect electrical connector -3-.  
– Loosen hose clips -2- and pull off coolant hoses.  
– Pull coolant hoses -1- off circulation pump - V55- -5-.  
– Pull off rubber mounting -4- with circulation pump - V55- -5-  
from bracket.  
Installing  
Install in reverse order of removal, observing the following:  
– Bleed cooling system ⇒ Rep. gr. 19 ; Cooling system, coolant;  
Draining and filling with coolant .  
2.7  
Removing and installing exhaust system  
Removing  
– Remove left underbody cladding ⇒ General body repairs, ex‐  
terior; Rep. gr. 66 ; Underbody cladding; Assembly overview  
- underbody cladding .  
CAUTION  
Danger of severe burns from hot exhaust system.  
Risk of burns to hands and other parts of body.  
– Allow exhaust system to cool down.  
– Unscrew bolt -2-.  
– Pull off exhaust system -1- from heat exchanger in direction of  
-arrow-.  
Installing  
Install in reverse order of removal, observing the following:  
Risk of damage to lines  
Lines may become damaged by moving or hot components.  
– Route lines in their original positions.  
– Ensure there is sufficient clearance to moving or hot compo‐  
nents.  
18  
Rep. gr.82 - Supplementary heating