Volkswagen Golf Service & Repair Manual: Removing and installing coolant pump
| Special tools and workshop equipment required |
| Drip tray for workshop hoist -VAS 6208- |
| Hose clip pliers -VAS 6340- |
| Cooling system charge unit -VAS 6096- |
| Adapter for cooling system tester -V.A.G 1274/8- |
| Torque wrench -V.A.G 1410- |
| – |
Drain coolant
→ Chapter. |
| – |
Remove battery tray
→ Electrical system; Rep. gr.27. |
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| – |
Loosen hose clips -1, 2- and
remove air pipe. |
| – |
Move air hoses clear at air pipe. |
| – |
Detach connector from charge pressure sender -GX26-. |
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| – |
Release fasteners -arrows-
using release tools -T10527- and -T10527/1-. |
|
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|
| – |
Press release tabs and disconnect hose
-1- for activated charcoal filter. |
| – |
Remove bolts -arrows- and
detach crankcase breather hose. |
|
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| – |
Lay wiring harness to one side
-arrows-. |
| – |
Unscrew bolts -1, 3- and remove
cover -2- for toothed belt for
coolant pump. |
|
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|
| – |
Move clear electrical wiring harness
-1- and coolant hose -2-. |
| – |
Release hose clips -arrows-,
and disconnect all coolant hoses from coolant pump. |
|
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|
| – |
Loosen and unscrew bolts in the sequence
-5 … 1-. |
| – |
Detach coolant pump with toothed belt. |
| – |
Remove thermostat housing if coolant pump is being renewed
→ Chapter. |
 Note
| Renew gasket for housing -arrows-. |
| Renew the toothed belt of the coolant pump. |
| Secure hose connections with hose clips meeting production
standard
→ Electronic Parts Catalogue. |
|
|
|
| – |
Ensure proper seating of gaskets
-arrows-. |
| – |
Lubricate seal for coolant pump lightly with coolant. |
Note
| Always adhere to the sequence of work steps given below when
installing the coolant pump. |
| This ensures that the toothed belt is correctly tensioned. |
| The following work steps must be carried out with the aid of
a 2nd mechanic. |
| – |
Set No. 1 cylinder to TDC
→ Chapter. |
| – |
Fit toothed belt so that it is centred and move coolant pump
into installation position. |
| – |
Mount coolant pump on cylinder head with securing bolts. |
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| – |
Pre-tighten bolts in the specified sequence: |
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| Stage |
Bolts |
Specified torque |
| 1 |
-1 … 5- |
Screw in to contact by hand |
| 2 |
-1 … 5- |
10 Nm |
| – |
Loosen all bolts again by one turn. |
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| Stage |
Bolts |
Specified torque |
| 3 |
-2, 1, 5- |
10 Nm |
| 4 |
-3, 4, 5, 1, 2- |
12 Nm |
| Further installation steps are carried out in the reverse
order; note the following: |
| Coolant hose schematic diagram
→ Chapter. |
| – |
Replenish coolant
→ Anchor. |
| Tightening sequence for coolant pump
→ Anchor |
| → Chapter „Assembly overview - coolant pump, thermostat“ |
| → Chapter „Assembly overview - turbocharger“ |
| → Chapter „Assembly overview - charge air system“ |
| → Electrical system; Rep. gr.27 |
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1 -
O-ring
Renew
2 -
Radiator outlet coolant temperature sender -G83-
Removing and installing
→ C ...
Special tools and workshop equipment
required
Counterhold -T10172- with adapter -T10172/2-
...
Other materials:
Checking holding pressure, engine code CWVA
Special tools and workshop equipment required
Removal wedge -3409-
Pressure tester -VAS 6550-
Connector cable -VAS 6550/3-3-
Connector cable -VAS 6550/3-4-
Vehicle diagnostic tester
...
Functional description of remote control for auxiliary and supplementary
heater
Note
The auxiliary and supplementary heater can be switched on
and off from a distance of several 100 metres (open space) using
the remote control. This range is restricted in built-up areas
or from buildings.
...
General notes
Gearbox
The torque of the engine is transmitted via the flywheel to
the dual clutch gearbox. The flywheel and the dual clutch are
joined together by a toothed connection. Together they take on
the function of the dual-mass flywheel ...
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Assembly overview - coolant temperature sender
Removing and installing toothed belt pulley for coolant pump, engine codes
CHPA, CMBA, CPVA, CXSA, CZDA, CZCA, CPVB