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Advised not to flush Mazda 6? #5380254 03/19/20 10:56 AM
Joined: Oct 2018
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luna Offline OP
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At my prodding had my son call local garage we use for service to flush anti freeze in his 2008 Mazda 6 4 cyl, has about 110k miles and he was told not a good idea may cause more problems. I don't get it, I've heard that about transmission fluid but not anti freeze. Any one have an idea why?


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2004 Jeep GC 4.0
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Re: Advised not to flush Mazda 6? [Re: luna] #5380261 03/19/20 11:00 AM
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incognito_2u Offline
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That's a first for me.......Maybe time to start looking for another garage??


2006 Jeep Commander 3.7 V6 -116k (M1EP5W30/XG3600)
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Re: Advised not to flush Mazda 6? [Re: luna] #5380285 03/19/20 11:29 AM
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BMWTurboDzl Offline
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Probably just doesn't want to deal with it. Especially if the cooling system has a lot of plastic parts which have become brittle with age/heat cycling.

LT coolant appear to be the real deal anyways.


“It took untold generations to get you where you are. A little gratitude might be in order. If you’re going to insist on bending the world to your way, you better have your reasons.”

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Re: Advised not to flush Mazda 6? [Re: luna] #5380314 03/19/20 12:02 PM
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JMJNet Offline
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Is that the only local garage in town?
If there is more local garage, I would make an old school call and see who can do it.
Unless he wants to DIY, which is probably not too difficult at least to do a drain and fill.

Last edited by JMJNet; 03/19/20 12:04 PM.

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Re: Advised not to flush Mazda 6? [Re: luna] #5380333 03/19/20 12:24 PM
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Pelican Offline
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They probably don't have the machine for the job!

Re: Advised not to flush Mazda 6? [Re: luna] #5380494 03/19/20 03:13 PM
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Randy_R Offline
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Many shops and DYI like me drain what you can and replace with new coolant but don't wait 12 years. No chance of flushing chemicals left behind. Do it again next year or the year after if you want. Main thing is you replenish corrosion inhibitors.


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Re: Advised not to flush Mazda 6? [Re: luna] #5380600 03/19/20 05:42 PM
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walterjay Offline
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I would just drain and refill and leave it at that.

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