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OK, I've read too much conflicting information regarding which fluid I should use in my 1997 Sable (3.0 DOHC Duratec).

Mercon III or Mercon V ????

See, the thing is, is I got it flushed using one of those high-pressure backflush things... with Mercon III.

100 miles later, it's leaking transmission fluid.

I've heard that using the wrong fluid can cause leaks...

Any ideas guys???
 

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i hvae a 97 taurus duratec....everybody says mercon v...but III is whats called for in the manual. i was told the only difference is mercon V is full synthetic...if you have high mileage on your car it really shouldn't make that much of a difference.

good luck.
 

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i put mercon V in my 96 and had no problems and put 19k on the fluid before i traded it and it was still red and smelled new
 

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I would either get a full synthetic (Mercon V isn't) or use the Mercon III and change it every 15k. Amsoil is the best IMHO.
 
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