Coolant Line/Hose

Digital Climate Control (Climatronic) System

Coolant Hoses, Layout

1 - Rear heater core
2 - Coolant return hose (from rear heater core to coolant pipe)
3 - Coolant hose supply (from coolant pipe to rear heater core)
4 - Coolant Pipe
5 - Coolant return hose (from coolant pipe to auxiliary heater valve -N172-)
6 - Coolant supply hose (from T piece to coolant pipe)
7 - Coolant hose supply (from T piece to T piece)
8 - T piece
9 - Coolant supply hose (from T piece to T piece)
10 - T piece
11 - Coolant return hose (from T piece to coolant cut-off valve)
12 - Coolant cut-off valve
13 - Coolant Pump -V50- (for after-run)
14 - Coolant return hose (from coolant cut-off valve to engine)
15 - Coolant supply hose (from engine to coolant pump -V50-)
16 - Coolant hose supply (from engine to T piece)
17 - Engine
18 - Coolant return hose (from auxiliary heater valve -N172- to engine)
19 - Auxiliary Heater Valve -N172- (for rear heater)
20 - Coolant return hose (from T piece to front heater core)
21 - Bleeder screw
22 - Coolant return hose (from front heater core to auxiliary heater valve -N172-)
23 - Front heater core
24 - T piece