Golf Mk4
Parts of cooling system - engine side |
1 - | Upper coolant pipe |
q | Clipped onto bulkhead |
q | Coolant hose schematic diagram → Chapter. |
2 - | To heat exchanger |
q | Coolant hose schematic diagram → Chapter. |
3 - | Connector |
q | 4-pin. |
q | Wire of chamber 1 or C and wire of chamber 3 or D for coolant temperature sender -G62- |
q | Contacts for coolant temperature sender -G62-, gold-plated |
4 - | Sender for coolant temperature sender -G62- |
q | For engine control unit. |
q | With sender for coolant temperature gauge sender -G2- |
q | Contacts for coolant temperature sender -G62-, gold-plated |
q | If necessary, release pressure in cooling system before removing. |
q | Checking: → Rep. Gr.01 |
5 - | Securing clip |
q | Check for secure seating. |
6 - | From heat exchanger |
q | Coolant hose schematic diagram → Chapter. |
7 - | Coolant pipe |
q | Coolant hose schematic diagram → Chapter. |
8 - | 10 Nm |
9 - | To bottom of expansion tank |
q | Coolant hose schematic diagram → Chapter. |
10 - | O-ring |
q | Renew |
11 - | Connection |
q | Coolant hose schematic diagram → Chapter. |
12 - | To top of radiator |
q | Coolant hose schematic diagram → Chapter. |
13 - | To bottom of radiator |
q | Coolant hose schematic diagram → Chapter. |
14 - | Oil cooler |
q | Ensure clearance to adjacent components. |
q | See note → Chapter. |
q | Coolant hose schematic diagram → Chapter. |
15 - | Thermostat |
q | Checking: heat thermostat in water. |
q | Opening begins at approx. 86 °C. |
q | Opening lift min. 7 mm. |
q | Removing and installing → Chapter. |
16 - | Toothed belt |
q | Mark D.O.R. before removing. |
q | Check for wear. |
q | Do not kink. |
q | Removing, installing and tensioning → Chapter. |
17 - | Coolant pump |
q | Check for ease of movement. |
q | If damaged or leaking, renew complete. |
q | Removing and installing → Chapter. |
18 - | 15 Nm |
19 - | Rear toothed belt guard |
20 - | 20 Nm |
21 - | Throttle valve control module |
q | Heated by coolant. |
q | Coolant hose schematic diagram → Chapter. |
22 - | O-ring |
q | Renew if damaged. |
23 - | To top of expansion tank |
q | Coolant hose schematic diagram → Chapter. |