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Golf Mk4

Power unit > 6-cylinder injection engine > Engine cooling > Removing and installing parts of cooling system > Assembly overview - parts of cooling system, engine side

Assembly overview - parts of cooling system, engine side
   
Assembly overview - parts of cooling system, engine side
1 - To heat exchanger
q   Coolant hose schematic diagram → Chapter.
2 - Cap
q   Check using cooling system tester -V.A.G 1274- and adapter for cooling system tester -V.A.G 1274/9-.
q   The pressure relief valve must open at a pressure of 1.4…1.6 bar
3 - O-ring
q   Renew if damaged.
4 - Expansion tank
q   Perform leak test of cooling system with cooling system tester -V.A.G 1274- and adapter for cooling system tester -V.A.G 1274/8-
q   Test pressure: 1.4…1.6 bar.
5 - 10 Nm
6 - Upper coolant pipe
q   Clipped to bulkhead
7 - From heat exchanger
q   Coolant hose schematic diagram → Chapter.
8 - Lower coolant pipe
q   Bolted to intake manifold support and heat shield
9 - Throttle valve module -J338-
q   Heated by coolant.
10 - To top of radiator
q   Coolant hose schematic diagram → Chapter.
11 - Seal
q   Renew.
12 - Bracket
13 - Thermostat housing
q   Dismantling and assembling → Chapter.
14 - From bottom of radiator.
q   Coolant hose schematic diagram → Chapter.
15 - O-ring
q   Renew.
16 - Coolant pipe
17 - O-ring
q   Renew.
q   Lubricate before installing.
18 - Oil filter housing
q   With oil cooler.
q   Dismantling and assembling → Chapter.
19 - 25 Nm
20 - Plug, 3 Nm
21 - Continued coolant circulation pump -V51-
q   Secured with bracket to cylinder block
q   Checking → Chapter
22 - Coolant pump
q   Note installation position.
q   Check for ease of movement.
q   If damaged or leaking, renew complete.
q   Removing and installing → Chapter
23 - Belt pulley
q   For coolant pump.
q   Removing and installing poly V-belt → Chapter.
24 - 20 Nm
q   Use water pump wrench -V.A.G 1590- to loosen and tighten → Chapter
25 - 8 Nm

   

Power unit > 6-cylinder injection engine > Engine cooling > Removing and installing parts of cooling system > Assembly overview - parts of cooling system, engine side

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