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Corrosion in engine block

Mcmadman

NAXJA Forum User
Location
michigan
831YNsK

Hi pulled my thermostat and found this just wondering what ya'll think I should do about it.thx
 
Use a cooling system chemical flush. Prestone makes one.
 
Can't see your pic, but if your having corrosions issues it just means your not staying on top of your anti-freeze!
 
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