volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

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Fuel supply, gas operation > < Removing and installing coolant pump

Golf Mk4

Removing and installing thermostat
   
Removing and installing thermostat
Special tools and workshop equipment required
t  Refractometer -T10007-
t  Drip tray -V.A.G 1306- or drip tray for workshop hoist -VAS 6208-
t  Torque wrench -V.A.G 1331- (5..50 Nm)
t  Assembly tool for spring-type clips -VAS 5024- or  spring-type clip pliers -VAS 5024A-

Removing
  Note
Always renew seals and gaskets.
–  Drain coolant → Chapter.
   
–  Pull coolant hose off connection -3-.
–  Remove connecting flange -3- securing bolts -4- and remove connecting flange -3- with thermostat -1-.
Installing
Installation is carried out in the reverse order. When installing, note the following:
–  Moisten new O ring -2- with coolant.
–  Fit connection -3- with thermostat -1- into engine block.
  Note
The brace on the thermostat must be almost vertical.
–  Tighten securing bolts -4-. Torque setting: 15 Nm.
–  Fill with coolant → Chapter.
  A19-0042

Fuel supply, gas operation > < Removing and installing coolant pump