Webasto Thermo Top BlueHeat Manual page 17

VW Passat
A
CUT
CUT
1 2
1
2
3
1 2
5
B
CUT
X
C
CUT
X
Fig. 28
3
Fig. 29
4
Fig. 30
3
Fig. 31
Coolant Hose Preparation
Cut supplied coolant hoses to the lengths shown and
trim to fit under the hood.
Coolant Hose A = 280 (11 in.)
Coolant Hose B = 620 mm(24.5 in.)
Coolant Hose C = 900 mm (36 in.)
X = Discard
Coolant Hose Connections
Disconnect the coolant hose on the left side of the engine
that goes to the heat exchanger.
Install coolant hose adapter using the existing hose
clamp.
– (1) Coolant hose adapter
– (2) Existing hose clamp
– (3) Vehicle Coolant hose - engine block to heat
exchanger
Connect the 180° coolant hose, made from the coolant
hose provided, to the engine coolant outlet tube.
Install the coolant hose adapter with clamp provided.
– (1) Coolant hose adapter
– (2) Hose clamp - 2ea.
– (3) 180° coolant hose
– (4) Coolant outlet from engine
Connect the 90° end of the prepared coolant hose to the
coolant circulation pump on the heater.
Connect the remaining section of coolant hose to the
heater outlet.
– (1) Hose clamp - 2ea.
– (2) 90° coolant hose to engine outlet
– (3) Straight section of coolant hose to vehicle heat
exchanger
4
– (4) Heater coolant outlet
– (5) Heater coolant circulation pump
17