Cooling System Assembly Overview, Engine Side

WARNING: This page is about a different car, the 2008 Volkswagen R32. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Coolant hose connection diagram. Refer to COOLANT HOSE CONNECTION DIAGRAM .

Location of the non return valve COOLANT HOSE CONNECTION DIAGRAM .

Fig 1: Cooling System, Engine Side, Assembly Overview

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

from Auxiliary Heater
- only on vehicles with optional equipment.
to Auxiliary Heater
- only on vehicles with optional equipment.
Bolt, 45 Nm
from Expansion Tank
Bolt, 10 Nm
To Expansion Tank
from Engine Coolant Switch Off Valve (Heater) -N279-
- Only on vehicles with optional equipment.
Bolt, 10 Nm
to Engine Coolant Switch Off Valve (Heater) -N279-
- Only on vehicles with optional equipment.
to Heat Exchanger
from Transmission Oil Cooler
to Transmission Oil Cooler
Bolt, 8 Nm
Coolant Thermostat Housing
- Coolant thermostat housing assembly overview. Refer to COOLANT THERMOSTAT HOUSING ASSEMBLY OVERVIEW .
Bracket
O-ring
- Always replace.
Engine Coolant Temperature (ECT) Sensor (on Radiator) -G83-
Retaining Clip
- Check for secure seating.
from Radiator (Lower Fitting)
to Radiator (Upper Fitting)
O-ring
- Always replace.
Oil Filter Bracket
- With oil cooler.
Bolt, 23 Nm
Coolant Line
- To the coolant thermostat housing
After Run Coolant Pump -V51-
- Tightened to 8 Nm on the accessory bracket.
- To remove, remove the accessory bracket. Refer to [For engine(s) BGP, BPY, BGQ, CBTA, CBUA, CCTA, CBFA] Removal and Installation .
- Location of the after run coolant pump, refer to Fig 2.
- After run coolant pump, checking. Refer to COOLANT AFTER RUN PUMP, CHECKING .
Coolant Pump
- Check for ease of movement.
- Removing and installing, refer to COOLANT PUMP .
Coolant Pump Pulley
- Removing and installing, refer to COOLANT PUMP .
Bolt, 20 Nm
Bolt, 8 Nm

Fig 2: Component Location Of Recirculation Pump V55

Courtesy of VOLKSWAGEN GROUP OF AMERICA, INC.

The after run coolant pump is secured to the accessory bracket -arrow-.

-- To remove, the accessory bracket must be removed from the cylinder block.

Tightening Sequence for the Accessory Bracket

-- First tighten the alignment bolts -2 and 4- by hand.

-- Then tighten bolts -1, 3 and 5- by hand.

-- Then tighten all bolts uniformly and in a diagonal sequence.

Tightening specification: 23 Nm.