T20.20-0016-11
1 Drain heating system completely.
To do this, open heating shutoff valve and collect remaining coolant.
2 Cut off cable straps (1).
3 Take off insulation of heating pipe (2).
4 Detach securing clip (3).
T20.20-0017-01
5 Detach connection hose (4) from heating pipes.
T20.20-0001-11
6 Pull heating pipe together with shutoff valve (5) out of radiator.
Do not twist or bend heating pipe when pulling it out.
7 Install in the reverse order.