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Volkswagen Golf Variant / Jetta. Manual - part 405

⇒ “1.9 Coolant, Draining and Filling”, page 209

– Remove the clamp from the upper coolant hose and pull the

coolant hose from the radiator quick-release coupling.

– Remove the Radiator Fan - V7- connector.
– Remove the bolts on the radiator -item 10-

⇒ Item 10 (page 191)

and remove the radiator with the Radi‐

ator Fan - V7- upward.

Installing:
Install in reverse order of removal. Note the following:
• Tightening specification for radiator bolts -item 10-

⇒ Item 10 (page 191)

– Fill with coolant. Refer to

⇒ “1.9 Coolant, Draining and Filling”, page 209

1.6

Coolant Pump, Removing and Installing

Special tools and workshop equipment required
♦ Refractometer - T10007A-
♦ Shop Crane - Drip Tray - VAS6208-
♦ Torque Wrench 1331 5-50Nm - VAG1331-
♦ Hose Clip Pliers - VAS6362-
Removing:
– Drain the coolant. Refer to

⇒ “1.9 Coolant, Draining and Filling”, page 209

– Remove the toothed belt. Refer to

⇒ “1.6 Toothed Belt, Removing, Installing and Tensioning”,

page 95

– Remove the bolts -1- of the coolant pump -2- and carefully take

out the coolant pump.

Installing:
Install in reverse order of removal. Note the following:
• Replace the seals, gaskets and O-rings.

1. Cooling System Components

203

the bolts -1-.

• Tightening specification, 15 Nm

Note

The plug from the coolant pump faces downward.

– Installing and tensioning the toothed belt. Refer to

⇒ “1.6 Toothed Belt, Removing, Installing and Tensioning”,

page 95

– Fill with coolant. Refer to

⇒ “1.9 Coolant, Draining and Filling”, page 209

1.7

Coolant Thermostat, Removing and In‐

stalling

Special tools and workshop equipment required
♦ T Bar And Socket - 10mm - 3185-
♦ Refractometer - T10007A-
♦ Hex Ball Socket - T10058-
♦ Torque Wrench 1331 5-50Nm - VAG1331-
♦ Shop Crane - Drip Tray - VAS6208-
♦ Hose Clip Pliers - VAS6362-
Removing:
– Drain the coolant. Refer to

⇒ “1.9 Coolant, Draining and Filling”, page 209

– Remove the Throttle Valve Control Module - J338- . Refer to

⇒ “3.12 Overview - Intake Manifold with Attachments”,

page 331

, Overview - Intake Manifold with Attachments

– Remove the coolant hose from the connection.
– Loosen the bolts -4- from the connection -3- with T Bar And

Socket - 10mm - 3185- and remove using the Hex Ball Socket

- T10058- and remove the connection -3- with the coolant

thermostat -1-.

– Turn the thermostat -1-

/4 turn (90°) to the left and remove it

from the connection -3-.

Removing:
Install in reverse order of removal. Note the following:
• Replace the seals, gaskets and O-rings.

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turn it

/4 turn (90°) to the right.

Note

The clip of thermostat must be positioned at approximately a right

angle.

– Install the connection -3- and the thermostat -1- in the cylinder

block.

– Tighten the bolts -4- with T Bar And Socket - 10mm - 3185- .
• Tightening specification, 15 Nm
– Secure the coolant hose to the connection.
– Install the Throttle Valve Control Module - J338- . Refer to

⇒ “3.12 Overview - Intake Manifold with Attachments”,

page 331

, Overview - Intake Manifold with Attachments

– Fill with coolant. Refer to

⇒ “1.9 Coolant, Draining and Filling”, page 209

1.8

4/2-Way Valve with Coolant Thermo‐

stat, Removing and Installing

Note

The thermostat is inside the 4/2-way valve and cannot be re‐

placed separately.

– Drain the coolant. Refer to