P43.05-A019-78
1 | Electrical connector | 3 | Vacuum line | M56 | Electric vacuum pump | ||
2 | Bolts |
Danger | Risk of death when working on component parts and systems with U >= 30 V alternating voltage (AC) or U >= 60 V direct voltage (DC) | Do not touch damaged or defective live component parts and lines or non-insulated electrical connections and lines. | |
Warning | Risk of injury. Skin or eye injuries may result when handling hot or glowing objects. | Wear protective gloves, protective clothing and safety glasses, if necessary. | |
Caution | Risk of injury caused by scraping or cutting body parts on sharp vehicle parts | Always wear protective gloves when working on or near sharp and non-deburred vehicle parts. | |
Topical note | General information on vehicles with high-voltage on-board electrical system and/or lithium-ion battery and/or gaseous-fuel drive system as well as personal protective equipment | ||
Topical note | Information on preventing damage to electronic components due to electrostatic discharge | ||
| Remove/install | ||
1 | Remove voltage of high-voltage on-board electrical system. | ||
2 | Reduce vacuum in brake booster by depressing brake pedal several times. | ||
3 | Remove upper engine cover. | ||
| |||
4 | Remove engine air intake duct upstream of air filter. | ||
5 | Release electrical connector(1) and disconnect. | ||
6 | Remove bolts (2) . | Screw/bolt, bracket for electrical vacuum pump to timing case/crankcase | |
7 | Release vacuum line (3) at electric vacuum pump (M56) and detach. | ||
8 | Remove electric vacuum pump (M56) together with bracket. | The electric vacuum pump (M56) is only available as a replacement part together with the holder. | |
9 | Install in the reverse order. | ||
10 | Reset runtime of electric vacuum pump (M56) using diagnostic system. | If the electric vacuum pump (M56) was replaced. | |
| |||
11 | Perform brake test on test stand. | ||
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