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:

Introduction
This chapter contains information on the following subjects:  → Washing the vehicle    → Washing the vehicle with a high-pressure cleaner    → Cleaning windows and exterior mirrors    → Cleaning and changing windscreen wiper blades    → Waxing and po ...

Assembly overview - front door trim
  Note   The assembly overview is shown for the front door trim on driver side. The assembly overview for the front passenger side is analogous.   The assembly overview is shown for 4-door models. The assembly overview ...

Checking systems with an expansion valve and reservoir (with internally regulated air conditioner compressor)
  Note Connecting air conditioner service station → Chapter. Observe the test prerequisites → Chapter. –  Raise engine speed to 2,000 rpm. ...

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