2007 F350 Transmission Service-what do I need - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 06-08-2012, 09:56 AM Thread Starter
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2007 F350 Transmission Service-what do I need

Just wondering what I will need to do this service. I understand that Ford recommends Mercron V, 8 quarts of it. I will also need the filters or filter depending on whether it has an inline filter. Any advice would be much appreciated.

I also recently had the transmission temp guage is only working intermittently. When it quits the tow haul light starts flashing and it shifts as though it is in tow haul mode. Anybody else experience this?

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post #2 of 3 Old 06-08-2012, 06:36 PM
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You should use either SP or LV fluid. Also change the external filter at a minimum. I would change the internal also. I would buy at least 24 quarts. Drain, replace filters, refill. Then drive for 30 minutes, drain and refill. Then do it one more time. That should be just about a complete flush.

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post #3 of 3 Old 06-08-2012, 07:04 PM
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That is in no way a "complete flush." You're just mixing and mixing and lessening the solution of old to new. It's never all new.
You need a flush machine like Wynn's, but it has to be heated if you want a "complete flush."

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