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Old 12-24-2010, 03:15 PM
maxwedge maxwedge is offline
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Re: Wrong fluid in transmission?

10-40 is not appropriate for a modern vehicle, maybe 10-30 or 20-50 which would be too heavy for cold weather, If the trans is really Ford atf, it must be completely flushed not just a fluid drop, that will only get 1/2 of it out. Are you sure this is not just burnt Dexron?
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