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Which hose is the lower radiator hose?

Old 10-04-2009, 01:49 PM
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Default Which hose is the lower radiator hose?

I'm trying to drain my coolant rather than pull the engine block plug. I read on this forum that you can simply drain the coolant by disconnecting the lower radiator hose.

Where is this hose? I have a 1990 XJ Cherokee. Thanks!
Old 10-04-2009, 01:52 PM
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from the front its to your right on the bottom...need a flat head to take it off
Old 10-04-2009, 02:58 PM
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Originally Posted by myHEEPis.rad
from the front its to your right on the bottom...need a flat head to take it off
To drain, do I disconnect the hose end on the radiator or the hose end that is attached to the engine?
Old 10-04-2009, 03:43 PM
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why r u wantin to drain the engine block????
Old 10-04-2009, 04:11 PM
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There is a screw cap on the bottom of the passenger side of the radiator to drain it.
Old 10-04-2009, 10:33 PM
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Originally Posted by tboss619
why r u wantin to drain the engine block????
to do a proper flush you want to drain the block. There should be a drain valve on the bottom on side of radiator. I would pull the block plug also. You wont flush it properly without doing so. Its a 10mm allen.Dont forget to pull thermostat before flushing.
Old 10-05-2009, 02:45 AM
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Yeah and careful with that valve, if it doesn't turn leave it alone, don't use pliers.
Old 10-05-2009, 04:03 AM
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Originally Posted by fantic238
Yeah and careful with that valve, if it doesn't turn leave it alone, don't use pliers.
i flushed my system a week ago and mine didnt wanna come out so i just undid the bottom hose..

and yes from the radiator.

Last edited by myHEEPis.rad; 10-05-2009 at 04:06 AM.
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