Cooling System Components - Engine Side, Assembly Overview
Cooling system components - engine side, assembly overview
Engine code APH
Engine codes AWP, AWV, BKF, BNU
Engine code APH
1 - 15 Nm
2 - To expansion chamber
3 - 2 Nm
4 - Upper coolant pipe
^ On intake manifold or fuel rail
5 - To heat exchanger
6 - O-ring
^ Replace
7 - Connector
^ 4-pin
8 - Engine Coolant Temperature (ECT) sensor -G62-
^ With Engine Coolant Temperature (ECT) sensor -G2-
^ For engine control module
^ If necessary, release pressure in cooling system before removing
9 - Securing clip
^ Check for secure seating
10 - To top of radiator
^ Secured to radiator with retaining clip
^ Check for secure seating
11 - To bottom of radiator
^ Secured to radiator with retaining clip
^ Check for secure seating
12 - Oil cooler
13 - From heat exchanger
14 - Coolant pipe
^ On cylinder block
15 - Filler cap
^ Check with cooling system tester V.A.G 1274 and adapter V.A.G 1274-9
^ Test pressure 1.41.6 bar
16 - O-ring
^ Replace if damaged
17 - Expansion tank
^ Perform leak test of cooling system with cooling system tester V.A.G 1274 and adapter V.A.G 1274-8
18 - From upper coolant pipe
19 - Connecting flange
20 - Thermostat
^ Checking: Heat-up thermostat in water.
- Opening begins: approx. 85°C
- Ends: approx. 102°C
- Opening lift: min. 7 mm
21 - Coolant pump
^ Check for ease of movement
^ If damaged or leaking replace complete
22 - Toothed belt
^ Mark direction of rotation before removing
^ Check for wear
^ Do not kink.
Engine codes AWP, AWV, BKF, BNU
1 - 15 Nm
2 - Toothed belt
^ Mark direction of rotation before removing
^ Check for wear
^ Do not kink.
3 - Coolant pump
^ Check for ease of movement
^ If damaged or leaking replace complete
4 - O-ring
^ Replace
5 - Thermostat
^ Checking: Heat-up thermostat in water
- Opening begins: approx. 85°C
- Ends: approx. 102°C
- Opening lift: min. 7 mm
6 - O-ring
^ Replace
7 - Connecting flange
8 - Heater unit heat exchanger
9 - Connector
^ 4-pin
10 - Engine Coolant Temperature (ECT) sensor -G62-
^ With Engine Coolant Temperature (ECT) sensor -G2-
^ For engine control module
^ If necessary, release pressure in cooling system before removing
11 - O-ring
^ Replace
12 - Securing clip
^ Check for secure seating
13 - Pipe union
14 - To top of radiator
^ Secured to radiator with retaining clip
^ Check for secure seating
15 - To bottom of radiator
^ Secured to radiator with retaining clip
^ Check for secure seating
16 - Upper coolant pipe
^ On intake manifold or fuel rail
17 - Filler cap
^ Check with cooling system tester V.A.G 1274 and adapter V.A.G 1274-9
^ Test pressure 1.41.6 bar
18 - O-ring
^ Replace if damaged
19 - Expansion tank
^ Perform leak test of cooling system with cooling system tester V.A.G 1274 and adapter V.A.G 1274-8
20 - 2 Nm
21 - Coolant pipe
^ On cylinder block
22 - Oil cooler
23 - 15 Nm