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Bus Discussion => Bus Topics ( click here for quick start! ) => Topic started by: codretaw1 on April 04, 2013, 03:08:43 PM

Title: draining coolant 5A
Post by: codretaw1 on April 04, 2013, 03:08:43 PM
hi guys any tricks on drainig coolant from 8v71 replacing hoses and thermostats also flushing rads
Title: Re: draining coolant 5A
Post by: bevans6 on April 04, 2013, 04:17:58 PM
My 5C has a drain plug on the lowest coolant tube leading towards the water pump.

Brian
Title: Re: draining coolant 5A
Post by: lostagain on April 04, 2013, 04:44:18 PM
Mine doesn't have a convenient plug. I remove a hose that is low and let it drain in a pan.

JC
Title: Re: draining coolant 5A
Post by: Ed Hackenbruch on April 07, 2013, 11:02:10 AM
When you refill, if you do it slowly and give the water time to settle down thru all of the lines, you can avoid having an air lock somewhere.  :)
Title: Re: draining coolant 5A
Post by: luvrbus on April 07, 2013, 11:09:04 AM
Most should all have a drain plug at the bottom of the oil cooler on a 71 or 92 series or on the connection to it
Title: Re: draining coolant 5A
Post by: codretaw1 on April 14, 2013, 12:21:57 PM
thanks guys found drain at lower rad tube , all done new thermo stats and all new hoses
Title: Re: draining coolant 5A
Post by: bevans6 on April 14, 2013, 01:36:44 PM
Make sure you open the tap on the cross-over tube between the two thermostat housings to let the air out.  You will probably find it takes a while for the coolant level to settle down as the air works it's way out of the engine.  You may have to bleed the driver's heater at the front of the bus if you got air in that system.

Brian
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