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Re: bleeding cooling system (archive)
[ Follow Ups ] [ M5 (E28) Message Board ] [ Msg. Board FAQ ]
Posted by lkfoster on June 27, 2002 at 17:50:21:

In Reply to: Re: bleeding cooling system posted by Alex in s. fl on June 27, 2002 at 10:39:15:

The first time I replaced the coolant on my wife's M5 the hole in the thermostat housing that provides the air bleed (the one with the small hose) was plugged up. I had to poke a wire into the fitting with the hose removed in order to let the trapped air out.


when i did my coolant flush, i removed the the lower hose on the radiator, since there is no drain plug on the radiator. i then removed the block drain plug. this has been an issue, since people can not find it. i know its there since i have removed it more than once. it is located on the passenger side on the block between cylinder 5 and 6. i believe its a 17mm socket needed. then for bleeding, the m5 is self bleeding. just make sure the small hose next to the coolant container cap leads out. the car will bleed itself, just make sure you have the right balance of fluids.

alex
88 m5
changed fan clutch, had radiator cleaned, coolant flush, new water pump and thermostat in last year.




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