VW Golf manuals

Volkswagen Golf Service & Repair Manual: Assembly overview - coolant pump, thermostat

Assembly overview - coolant pump, thermostat

1 -  Thermostat housing
Removing and installing → Chapter
2 -  Thermostat
For small cooling circuit
Starts to open at approx. 105°C
Different versions. Refer to → Electronic Parts Catalogue.
Removing and installing → Chapter
3 -  Gasket
Renew
4 -  Coolant pump
Removing and installing → Chapter
Renew toothed belt as well when renewing coolant pump
5 -  Bolt
Thread-forming
Fit and screw in bolt by hand so that it screws into old thread Then tighten bolt to specified torque
Specified torque and tightening sequence → Fig.
6 -  Gasket
Renew
Ensure proper seating of seal
Lightly coat with coolant before installing.
7 -  Toothed belt guard
For toothed belt for coolant pump
8 -  Bolt
Renew
20 Nm + 90°
9 -  O-ring
Renew
Only installed in vehicles with engine codes CPTA, CZEA
Removing and installing → Chapter
10 -  Toothed belt
For coolant pump.
Renew toothed belt after coolant pump has been removed
11 -  Toothed belt pulley
For coolant pump.
Removing and installing → Chapter
12 -  Bolt
8 Nm
13 -  Bolt
Thread-forming
Fit and screw in bolt by hand so that it screws into old thread Then tighten bolt to torque
Specified torque and tightening sequence → Fig.
14 -  Cover
For thermostat
15 -  Gasket
Renew
16 -  Thermostat
For large cooling circuit
Up to 11.2012: Starts to open at approx. 80°C
As of 11.2012: Starts to open at approx. 87°C
Removing and installing → Chapter
Installation position → Fig.
17 -  Bolt
Specified torque and tightening sequence → Anchor

 
     
Installation position of thermostat for large cooling circuit
Must be positioned with centring pin in guide -arrow- in thermostat housing.
 

Assembly overview - coolant pump, thermostat

Thermostat housing to coolant pump - tightening torque and sequence
–  Tighten bolts in the sequence -A ... F- to 8 Nm.
 

Assembly overview - coolant pump, thermostat

Cover for thermostat to thermostat housing - tightening torque
–  Tighten bolts for cover -1- in the sequence -A ... D- to 8 Nm.
 

Assembly overview - coolant pump, thermostat

Coolant pump, regulation of cooling system
...

Assembly overview - electric coolant pump
1 -  Charge air cooling pump -V188- With bracket Removing and installing → Chapter 2 -  Coolant hos ...

Other materials:

Pipes and hoses in refrigerant circuit
The mixture of refrigerant oil and refrigerant R134a attacks certain metals (e.g. copper) and alloys and dissolves certain hose materials. Therefore, always use genuine replacement parts. The hoses and pipes are held together with screwed join ...

Assembly overview - tail lights in vehicle body, with LEDs
1 -  Securing element Specified torque: 2 Nm 2 -  Seal Self-adhesive Renew if damaged. 3 -  Left tail light -MX3-/right tail light -MX4- Tail light in bod ...

Introduction
This chapter contains information on the following subjects:  → Warning and indicator lamps    → Engine oil specification    → Checking the engine oil level and refilling engine oil    → Engine oil consumption    → Changing engine oil   Additiona ...

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