Heater booster heater unit
Number | Designation | Model 639.603/703 | ||
BA83.70-N-1001-02A | Screw/bolt, PTC heater booster to retaining frame for high-voltage components | M5 | Nm | 6 |
M6 | Nm | 9 | ||
S83.70-4592-06
1 Remove electrical wiring harness (4) at retaining frame for high-voltage system components (5).
Installation: Install new cable ties.
2 Disconnect electrical connectors (1, 2)
3 Remove screws/bolts (3), remove PTC heater booster (N33/9) and strap down at left side in engine compartment.
Do not disconnect coolant hoses at PTC heater booster (N33/9).
4 Install in the reverse order.