1998 legacy L, 2.2L auto, 147K miles
How do I flush the coolant (Nothing good seen in the search)
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Guest Message by DevFuse
Coolant flush?
Started by
etc
, Dec 19 2008 03:58 PM
9 replies to this topic
#2
98obster
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Posted 19 December 2008 - 06:48 PM
I have done a "reverse" flush by disconnecting the driverside hose to the heater core and flushing with a garden hose.
#3
Rooster2
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Subaru Master
- Indianapolis
Posted 19 December 2008 - 07:44 PM
If you live in a warm climate, water flush as described by 98OBster. You can also add a can of chemical flush, drive for a few days, drain, water flush, add 50/50 coolant/water to finish the job.
#4
etc
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Posted 20 December 2008 - 12:13 PM
Can I just drain the radiator and then fill it up again?
#5
Durania
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Elite Master of the Subaru
- Crossville, TN
Posted 20 December 2008 - 03:33 PM
Can I just drain the radiator and then fill it up again?
You can but that is not considered a flush but a drain and fill. A flush is like 90obster described which involves flushing out the heater core and everything.
#6
etc
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Posted 20 December 2008 - 04:04 PM
I opened the drain on the radiator but the coolant was coming out very slow, basically dripping. I know it should come out a lot faster than that.
Is the radiator plugged somehow? It was full when I looked into it.
Is the radiator plugged somehow? It was full when I looked into it.
#7
Durania
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Elite Master of the Subaru
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Posted 20 December 2008 - 07:40 PM
Did you have radiator cap off? Same principle as the portable gas can, air behind so liquid can go out. You could just disconnect the lower radiator hose.
#8
etc
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Posted 20 December 2008 - 10:22 PM
Yes, the cap was off. It was a drip basically, not a stream.
#9
grossgary
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Posted 21 December 2008 - 12:10 AM
the drain plug probably wasn't opened far enough or turned at the right angle? i think the notch in it has to line up right so to speak?
#10
etc
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Posted 21 December 2008 - 01:32 AM
No, the drain plug was completely removed.
I drained the radiator on a Loyale one time and I know I got a stream instead of a drip like here.
I drained the radiator on a Loyale one time and I know I got a stream instead of a drip like here.
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