D83.70-1481-09
1 | Exhaust tailpipe | 6 | Return coolant hose (cold) | 10 | Heater booster wiring harness | ||
2 | Exhaust muffler | 6.1 | Return coolant hose (cold) (with CODE H13 (Additional heat exchanger in passenger/load compartment)) | 11 | Heater booster connection line | ||
3 | Feed coolant hose (hot) | 7 | Air intake duct | 12 | Bolt | ||
4 | Fuel line | 8 | Bracket | 13 | Exhaust line | ||
5 | Heater booster | 9 | Nuts | 14 | Electrical connector |
Danger ! | Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel. | No fires, sparks, open flames or smoking. Pour fuels into suitable and appropriately marked containers only. | |
Danger ! | Risk of injury to skin and eyes suffering scalding from contact with hot coolantspray. Risk of poisoning from 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. | |
Danger ! | Risk of explosion caused by fuel vapors igniting, risk of poisoning caused by inhaling combustible gases and risk of injury caused by burns during and after operation of heater unit | Do not operate stationary heater, auxiliary heater or engine with heater booster in closed rooms or when refueling. Allow heater unit to cool down after operation and wear protective gloves. | |
| Remove/install | ||
1 | Lift vehicle on vehicle lift | ||
2 | Remove exhaust tailpipe (1) from exhaust muffler (2) and sidewall (arrow A) | ||
3 | Disconnect coolant hose feed line (3) and coolant hose return flow (6) | Clamp | |
4 | Disconnect coolant hose return flow (6.1) from heater booster (5) to additional heat exchanger | MODEL 909 | |
Clamp | |||
5 | Remove feed coolant hose (3) from heater booster (5) | Collect escaping coolant. | |
6 | Remove return coolant hose (6) from heater booster (5) | Collect escaping coolant. | |
7 | Detach coolant hose return flow (6.1) from heater booster (5) | MODEL 909 | |
Collect escaping coolant. | |||
8 | Detach fuel line (4) from heater booster (5) | Seal off fuel line (4) using suitable stop plugs. | |
Collect escaping fuel. | |||
Record plug | |||
9 | Remove heater booster wiring harness (10) and disconnect electrical connector (14) | Installation: Replace cable tie. | |
10 | Detach air intake duct (7) from underfloor (arrow B) | ||
11 | Unscrew nuts (9) and remove bracket (8) with heater booster (5) from underfloor | ||
12 | Remove exhaust muffler (2) from bracket (8) | ||
13 | Detach exhaust line (13) from heater booster (5) | ||
14 | Remove air intake duct (7) from bracket (8) | Installation: Replace cable tie. | |
15 | Expose heater booster connection line (11) | Installation: Replace cable tie. | |
16 | Detach air intake duct (7) from connection fitting of heater booster (5) | ||
17 | Remove screw/bolt (12) on front and rear side of bracket (8) | ||
18 | Remove heater booster (5) from bracket (8) | ||
19 | Install in the reverse order | ||
Danger ! | Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running. | Secure vehicle to prevent it from starting off by itself. Wear closed and snug-fitting work clothes. Do not touch hot or rotating parts. | |
20 | Start engine and allow it to warm to its normal operating temperature | ||
21 | Check coolant level and refill coolant, if necessary | ||
| |||
22 | Turn off engine | ||
| Check | ||
23 | Check heater booster (5) for proper operation | ||
24 | Check connections of coolant circuit on heater booster (5) for leaktightness | ||
25 | Check connections for fuel system on heater booster (5) for leaktightness |
129 589 00 91 00
Record plug
000 589 54 37 00
Clamp
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