back flushing radiator
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New User
Joined: Oct 2006
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back flushing radiator
I just bought an '01 F150 4.2L and I want to know if it is really necessary to back flush the cooling system when changing the coolant? I bought the Prestone back flush kit and I'm wondering if really needs to be back flushed or if regular flushing is good enough.
Laughing Gas
Joined: Dec 2003
Posts: 752
Likes: 32
From: North Carolina
Not sure which one would be best, but just be sure to use distilled water. Hard water gave me some trouble a few years back. Maybe someone else will give an opinion on the backflushing, sorry.
Postmaster
Joined: Aug 2001
Posts: 4,532
Likes: 5
From: Trussville, Alabama
I'm not sure that it is "necessary". Probably can't hurt, but don't know for sure if it will help either.
I have only down a regular flush and refill.
As mentioned: use distilled water.
I have only down a regular flush and refill.
As mentioned: use distilled water.
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