17 00 035 Draining coolant, refilling/bleeding system
+
17 00 504
BMW-Motorrad/SYMB/00_MODELLE_00_warnung.gif
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Warning
Take care when working on the cooling system: risk of burns if the system is hot.
Do not work on the cooling system until it has had ample time to cool down.
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Preparatory work
Removing rear seat
Removing front seat
Removing centre cover for fuel tank
Removing right side panel
Removing right side cover
Removing right cover for fuel tank
Core activity
(+) Draining coolant
(-) Draining coolant
BMW-Motorrad/SYMB/00_MODELLE_00_warnung.gif
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Warning
Take care when working on the cooling system: risk of burns if the system is hot.
Do not work on the cooling system until it has had ample time to cool down.
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Removing radiator cap
BMW-Motorrad/SYMB/00_MODELLE_00_warnung.gif
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Warning
Take care when working on the cooling system: risk of burns if the system is hot.
Do not work on the cooling system until it has had ample time to cool down.
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BMW-Motorrad/BILD/1262_MODELLE_00_K50_R12018b_preview.jpg
BMW-Motorrad/BILD/1262_MODELLE_00_K50_R12018b_small.jpg BMW-Motorrad/imgs/icon/bullet.gif Remove radiator cap (1).
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17020b_preview.jpg
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17020b_small.jpg BMW-Motorrad/imgs/icon/bullet.gif Remove left drain plug (1) with sealing ring (2).
BMW-Motorrad/imgs/icon/bullet.gif Drain the coolant into a suitable container.
BMW-Motorrad/imgs/icon/bullet.gif Install drain plug (1) with new sealing ring (2).
BMW-Motorrad\SYMB\00_MODELLE_00_Anziehdrehmoment.gif Tightening torques
Coolant drain plug in crankcase
M10 x 1
15 Nm
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17021b_preview.jpg
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17021b_small.jpg BMW-Motorrad/imgs/icon/bullet.gif Remove filler adapter (1) with sealing ring (2).
BMW-Motorrad/imgs/icon/bullet.gif Drain the coolant into a suitable container.
BMW-Motorrad/imgs/icon/bullet.gif Install filler adapter (1) with new sealing ring (2).
BMW-Motorrad\SYMB\00_MODELLE_00_Anziehdrehmoment.gif Tightening torques
Coolant filler adapter in crankcase
M10 x 1
10 Nm
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17032b_preview.jpg
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17032b_small.jpg BMW-Motorrad/imgs/icon/bullet.gif Open clip (1) with pliers (No. 17 5 571).
BMW-Motorrad/imgs/icon/bullet.gif Disconnect flow hose (2).
BMW-Motorrad/imgs/icon/bullet.gif Drain the coolant into a suitable container.
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17033b_preview.jpg
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17033b_small.jpg BMW-Motorrad/imgs/icon/bullet.gif Connect flow hose (1) in such a way that the projection (arrow) engages the recess.
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17032c_preview.jpg
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17032c_small.jpg BMW-Motorrad/imgs/icon/bullet.gif Secure clip (1) with pliers (No. 17 5 571).
(+) Emptying expansion tank for coolant
(-) Emptying expansion tank for coolant
BMW-Motorrad/BILD/1713_MODELLE_00_K50_R17001b_preview.jpg
BMW-Motorrad/BILD/1713_MODELLE_00_K50_R17001b_small.jpg BMW-Motorrad/imgs/icon/bullet.gif Remove screw (1).
BMW-Motorrad/imgs/icon/bullet.gif Disengage expansion tank (2) and manoeuvre it clear.
BMW-Motorrad/BILD/1713_MODELLE_00_K50_R17035b_preview.jpg
BMW-Motorrad/BILD/1713_MODELLE_00_K50_R17035b_small.jpg BMW-Motorrad/imgs/icon/bullet.gif Open lid (1).
BMW-Motorrad/imgs/icon/bullet.gif Turn expansion tank (2) upside down and drain the coolant into a suitable container.
BMW-Motorrad/imgs/icon/bullet.gif Turn expansion tank (2) right way up.
(+) Filling cooling system
(-) Filling cooling system
Sealing off hose from expansion tank
BMW-Motorrad/BILD/1713_MODELLE_00_K50_R17030b_preview.jpg
BMW-Motorrad/BILD/1713_MODELLE_00_K50_R17030b_small.jpg BMW-Motorrad/imgs/icon/bullet.gif Seal off hose (1) with hose clamp (No. 13 3 010).
Preparing and priming radiator filler for cooling system
BMW-Motorrad/BILD/1700_MODELLE_00_K43_11_R17011b_preview.jpg
BMW-Motorrad/BILD/1700_MODELLE_00_K43_11_R17011b_small.jpg BMW-Motorrad/imgs/icon/bullet.gif Fill canister (No. 17 5 553) with an adequate quantity of coolant.
BMW-Motorrad\SYMB\00_MODELLE_00_techdat.gif Technical data
Coolant, total capacity
Expansion tank
0.3 l
Coolant system, total
1.5 l
General consumable (Antifreeze and corrosion inhibitor)
BMW-Motorrad/imgs/icon/bullet.gif Connect canister (No. 17 5 553), venturi nozzle (No. 17 5 552) and distributor unit (No. 17 5 551).
BMW-Motorrad/imgs/icon/bullet.gif Put the end of the drain hose of venturi nozzle (No. 17 5 552) into a suitable container.
BMW-Motorrad/SYMB/00_MODELLE_00_achtung.gif
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Attention
Pressure surges could damage the pressure gauge if you attempt to connect the compressor to the distributor unit of the filler adapter with the compressed-air valve open.
Make sure the valves are closed when you connect the compressor to the distributor unit.
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BMW-Motorrad/imgs/icon/bullet.gif Connect the compressor to the venturi nozzle (No. 17 5 552).
BMW-Motorrad\SYMB\00_MODELLE_00_techdat.gif Technical data
Minimum requirement, compressor
Pressure
min 8 bar
Delivery rate
min 125 l/min
BMW-Motorrad/BILD/1700_MODELLE_00_K43_11_R17010b_preview.jpg
BMW-Motorrad/BILD/1700_MODELLE_00_K43_11_R17010b_small.jpg BMW-Motorrad/imgs/icon/bullet.gif Begin by fully opening coolant cock (1) and then fully opening negative-pressure cock (2) of distributor unit (No. 17 5 551).
BMW-Motorrad/imgs/icon/angle.gif Coolant is drawn in by vacuum from the tank.
BMW-Motorrad/imgs/icon/bullet.gif Draw in coolant until the hose to distributor unit (No. 17 5 551) is full of bubble-free coolant.
BMW-Motorrad/imgs/icon/bullet.gif Close coolant cock (1) and negative-pressure cock (2).
BMW-Motorrad/imgs/icon/bullet.gif Disconnect the compressor from venturi nozzle (No. 17 5 552).
Connecting radiator filler to cooling system
Precondition
BMW-Motorrad/imgs/icon/bullet.gif The coolant canister must be higher than the motorcycle's radiator.
BMW-Motorrad/imgs/icon/triangle.gif
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17036b_preview.jpg
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17036b_small.jpg BMW-Motorrad/imgs/icon/bullet.gif Position coolant canister (No. 17 5 553) on a higher level.
BMW-Motorrad/imgs/icon/bullet.gif Secure the preassembled radiator filler in position at the motorcycle.
BMW-Motorrad/imgs/icon/bullet.gif Connect radiator port (No. 17 5 554) to distributor unit (No. 17 5 551) and radiator filler neck.
BMW-Motorrad/imgs/icon/bullet.gif Put the end of the drain hose of venturi nozzle (No. 17 5 552) into a suitable container.
BMW-Motorrad/imgs/icon/bullet.gif Prepare the compressor.
BMW-Motorrad\SYMB\00_MODELLE_00_techdat.gif Technical data
Minimum requirement, compressor
Pressure
min 8 bar
Delivery rate
min 125 l/min
Evacuating cooling system
BMW-Motorrad/BILD/1700_MODELLE_00_K43_11_R17010b_preview.jpg
BMW-Motorrad/BILD/1700_MODELLE_00_K43_11_R17010b_small.jpg BMW-Motorrad/SYMB/00_MODELLE_00_achtung.gif
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Attention
Pressure surges could damage the pressure gauge if you attempt to connect the compressor to the distributor unit of the filler adapter with the compressed-air valve open.
Make sure the valves are closed when you connect the compressor to the distributor unit.
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BMW-Motorrad/imgs/icon/bullet.gif Connect the compressor to the venturi nozzle (No. 17 5 552).
BMW-Motorrad/imgs/icon/bullet.gif Open negative-pressure cock (2) of distributor unit (No. 17 5 551).
BMW-Motorrad/imgs/icon/angle.gif A vacuum builds up in the system.
BMW-Motorrad/imgs/icon/bullet.gif Evacuate the cooling system until the requisite vacuum is established and the needle of the pressure gauge is steady.
BMW-Motorrad\SYMB\00_MODELLE_00_techdat.gif Technical data
Requisite vacuum for filling the cooling system
min −0.8 bar
BMW-Motorrad/imgs/icon/bullet.gif Close negative-pressure cock (2).
BMW-Motorrad/imgs/icon/bullet.gif Disconnect the compressor from venturi nozzle (No. 17 5 552).
BMW-Motorrad/imgs/icon/bullet.gif Observe the needle of the pressure gauge of distributor unit (No. 17 5 551) for a time and check that the partial vacuum in the cooling system does not rise to ambient pressure.
BMW-Motorrad\SYMB\00_MODELLE_00_techdat.gif Technical data
Requisite vacuum for filling the cooling system
min −0.8 bar
BMW-Motorrad/imgs/icon/bullet.gif Slowly open coolant cock (1) until it is fully open.
BMW-Motorrad/imgs/icon/angle.gif Coolant flows into the cooling system.
BMW-Motorrad/imgs/icon/bullet.gif When the level of fluid in the canister (No. 17 5 553) ceases to drop and the vacuum corresponds to ambient pressure, disconnect the radiator filler from the radiator.
Disconnecting radiator filler from radiator
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17036b_preview.jpg
BMW-Motorrad/BILD/1700_MODELLE_00_K50_R17036b_small.jpg BMW-Motorrad/imgs/icon/bullet.gif Disconnect the radiator filler from the radiator and remove it from the vehicle.
