AR83.20-W-1000A | Remove and install regulating valve for heating | 6.7.11 |
MODEL 375.1 with BODY 375.830
MODEL 375.3 with BODY 375.810
MODEL 375.4 with BODY 375.840
MODEL 944 with BODY 944.899
MODEL 950.5/ 6, 952.5/ 6, 953.6, 954.5 with BODY 940.899
MODEL 970, 972, 974, 975, 976 with BODY 972.899
MODEL 958.0 with BODY 958.860 except CODE (XV0) Global cockpit
MODEL 958.2 with BODY 958.870 except CODE (XV0) Global cockpit
W83.20-0064-12
1 Hose clamp
2 Coolant feed hose
3 Hose clamp
4 Coolant drain hose
W83.20-1007-01
W83.20-1008-01
W83.20-1009-01
5 Bowden cable retaining clamp
6 Bowden cable
7 Mounting clamp
8 Heater regulating valve
Modification notes
6.7.11 | Value modified: Coolant drain plug to radiator | Engine 904.9, 906.9 | |
Value modified: Coolant drain plug to radiator |
| Remove/install | ||
1 | Switch off ignition | ||
Danger! | Risk of injury to skin and eyes caused by scalding from contact with hot coolant spray. Risk of poisoning caused by swallowing coolant. | Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly and release the pressure. Do not pour coolant into beverage containers. Wear protective gloves, protective clothing and safety glasses. | |
2 | Unscrew coolant drain plug from the radiator and drain coolant | Collect coolant | |
Engine 457.9 | |||
Engine 904.9, 906.9, 926.9 | |||
| Notes on coolant | ||
3 | Open front flap, slacken hose clamp (1) and detach coolant feed hose (2) | ||
4 | Remove instrument (INS) | Model 375.1 up to 31.8.02 with body 375.830 Model 375.3 up to 31.8.02 with body 375.810 Models 950.5/6, 952.5 /6, 953.6, 954.5 up to vehicle ident. end no. 587771 with body 940.899 Models 970, 972, 974, 975, 976 up to vehicle ident. end no. 587771 with body 972.899 Do not detach electric connectors, just place instrument cluster (INS) to the side. | |
Model 375.1 as from 1.9.02 with body 375.830 Model 375.3 as of 1.9.02 with body 375.810 Model 375.4 with body 375.840 Model 944 with body 944.899 Models 950.5/6, 952.5/6, 953.6, 954.5 as from vehicle ident. end no. 587772 with body 940.899 Models 970, 972, 974, 975, 976 as from vehicle ident. end no. 587772 with body 972.899 Model 958 with body 958.860 Model 958 with body 958.870 Do not detach electric connectors, just place instrument cluster (INS) to the side. | |||
5 | Remove switch unit for heater/ventilation | ||
6 | Slacken Bowden cable retaining clamp (5) and detach Bowden cable (6) | ||
7 | Lever out fastening clamp (7) at heater regulating valve (8) in direction of arrow | Counterhold using a suitable tool. Installation: Latch fastening clamp in regulating valve using a suitable pair of pliers. | |
8 | Remove heater regulating valve (8) | Clean sealing surface and check for damage. Installation: Replace seal. | |
9 | Install in the reverse order | ||
10 | Inspect heater and ventilation for proper operation |
Radiator, coolant hoses
Radiator, coolant hoses