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. |
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| – |
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:
Electric windows – functions
First read and observe the introductory information
and safety warnings One-touch opening and closing
One-touch opening and closing makes it possible to fully open and close the windows.
The individual buttons do not have to be held down to do this.
For one-touch closing: pull the button fo ...
Rear brakes
The type of brake system installed in the vehicle is
indicated among other things by the corresponding PR number on
the vehicle data sticker.
The vehicle data sticker can be found in the spare wheel
well and in the service schedule.
...
Sanding
Avoid sanding through to substrate
–
It is recommended to carefully sand the marked area by hand
to avoid “sanding through” the cathodic dip primer.
Seam seals
S ...
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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