Volkswagen Golf Service & Repair Manual: Removing and installing coolant pipes for auxiliary heater

Volkswagen Golf Service & Repair Manual / Auxiliary heater / Aux. heater/heater booster / Coolant circuit with auxiliary heater / Removing and installing coolant pipes for auxiliary heater

Special tools and workshop equipment required

Torque wrench -V.A.G 1410- (4…20 Nm)

Removing and installing coolant pipes for auxiliary heater

Hose clamps, up to 25 mm -3094-

Removing and installing coolant pipes for auxiliary heater

Pliers for spring-type clips -VAS 5024A-

Removing and installing coolant pipes for auxiliary heater

Drip tray for workshop hoist -VAS 6208-

Note

If the coolant circuit is opened, it must be bled → Rep. gr.19.

If the drive motor is warm, then the cooling system is pressurised. If necessary, release pressure before carrying out repairs.

Removing

–	Remove front noise insulation → General body repairs, exterior; Rep. gr.66.

–	Clamp off coolant hoses using hose clamps to 25 mm -3094-.

Note

The illustration shows 2 different versions:

-I- Vehicles with petrol engine.

-II- Vehicles with diesel engine.

The removal and installation procedure is identical for both versions.

Danger of scalding due to steam and hot coolant. There is a risk of injury to the skin and parts of the body due to scalding.Release pressure by pressing pressure relief valve on cooling system tester until the gauge shows a pressure of 0.

Removing and installing coolant pipes for auxiliary heater

–	Loosen spring-type clip -3-.

–	If fitted (only on specific vehicles), slide protective grommet -6- to one side.

–	Unclip coolant hoses -4- and pull them off coolant pipes -1- and -5-.

–	Unscrew nuts -2-.

–	Remove coolant pipes -1- and -5-.

Installing

–	Install in reverse order.

Specified torque

Removing and installing coolant pipes for auxiliary heater

Component to be tightened	Specified torque
Collar nut	8 Nm

Nose insulation; Assembly overview - noise insulation → General body repairs, exterior; Rep. gr.66.

Bleeding coolant circuit of auxiliary heater

The removal and installation procedures for the auxiliary heater and the circulation pump -V55- described in this Workshop Manual ensure that only a small quantity of ...

Fuel supply system

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Other materials:

Buffing cloth, white -VAS 6176
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Checking shock absorbers when removed
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Restrictor
The restrictor creates a restriction. This restriction limits the flow, separating the high-pressure and low-pressure sides in the refrigerant circuit. Upstream of the restrictor, the refrigerant is warm due to the high pressure. Downstream of the restri ...