http://www.unblockdrains.org/when-cleaning-radiator-with-cold-water-after-draining-old-coolant-do-i-need-to-turn-on-heat-and-fan/ Unblock Drains with these Solutions Fri, 26 Sep 2008 19:04:53 +0000 http://wordpress.org/?v=2.9.2 hourly 1 http://www.unblockdrains.org/when-cleaning-radiator-with-cold-water-after-draining-old-coolant-do-i-need-to-turn-on-heat-and-fan/comment-page-1/#comment-161 Tatyana Dorrington Wed, 23 Jul 2008 05:22:50 +0000 http://www.unblockdrains.org/when-cleaning-radiator-with-cold-water-after-draining-old-coolant-do-i-need-to-turn-on-heat-and-fan/#comment-161 fill it with water . have on heat but blower motor off. Let engine heat up to temp so thermostat opens. Drain water(becareful when opening cooling system while its hot(or wait till it cools). put your new antifreeze in. Make sure it is mixed properly. Bleed air from system fill it with water . have on heat but blower motor off. Let engine heat up to temp so thermostat opens. Drain water(becareful when opening cooling system while its hot(or wait till it cools). put your new antifreeze in. Make sure it is mixed properly. Bleed air from system

]]> http://www.unblockdrains.org/when-cleaning-radiator-with-cold-water-after-draining-old-coolant-do-i-need-to-turn-on-heat-and-fan/comment-page-1/#comment-160 Javier 8 Mon, 21 Jul 2008 04:41:41 +0000 http://www.unblockdrains.org/when-cleaning-radiator-with-cold-water-after-draining-old-coolant-do-i-need-to-turn-on-heat-and-fan/#comment-160 the only reason for doing this is to open up the heater valve if it has one so the coolant will circulate real good,you can open it up it wont hurt nothing by doing it,most of the time it just helps bleed the system out better,good luck with it.,,PS turn the heater selector to hot also that will help it if it has a heater control valve in it. the only reason for doing this is to open up the heater valve if it has one so the coolant will circulate real good,you can open it up it wont hurt nothing by doing it,most of the time it just helps bleed the system out better,good luck with it.,,PS turn the heater selector to hot also that will help it if it has a heater control valve in it.

]]> http://www.unblockdrains.org/when-cleaning-radiator-with-cold-water-after-draining-old-coolant-do-i-need-to-turn-on-heat-and-fan/comment-page-1/#comment-159 Arely Wingfield Fri, 18 Jul 2008 17:05:05 +0000 http://www.unblockdrains.org/when-cleaning-radiator-with-cold-water-after-draining-old-coolant-do-i-need-to-turn-on-heat-and-fan/#comment-159 The reasoning behind turning the heater on is so that if your car has a heater control valve, it would open up and let you flush the heater core also. I can't remember if the Corolla has one of these valves of not. It won't hurt anything if you have the fan on. The reasoning behind turning the heater on is so that if your car has a heater control valve, it would open up and let you flush the heater core also. I can’t remember if the Corolla has one of these valves of not. It won’t hurt anything if you have the fan on.

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