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6 sp tranny overheating?

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Old

Apr 17, 2001 | 01:20 PM

#1

diggerdiver

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6 sp tranny overheating?

Hi Folks,

I have a '99 f350 PSD, with a 6spd manual....After a long hard run on the freeway, (2-3 hours at 70-75mph) my shifter gets really cranky and wont drop into gear without some work. It'll go, but not smooth like when it is cool. I am assuming the tranny is hot, but has anybody used synthetic tranny oil? Seems like it would be an easy fix vs. another cooler....

Thanks, Steve

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Old

Apr 17, 2001 | 08:58 PM

#2

96f250supercab4x4psd5spd

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6 sp tranny overheating?

I'm not sure if Ford continued this with the newer Super Duties, but my 1996 5 speed manual came from the factory with synthetic fluid in it. Check in your owner's manual fluid refill specifications and it will tell you what's in there - it is probably already synthetic.

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Apr 17, 2001 | 11:53 PM

#3

red99sdv10

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6 sp tranny overheating?

I believe the 6 speeds have regular tranny fluid in them it is the 5 speeds with the gas motors that have synhtetic
have you checked the fluid level??

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Apr 18, 2001 | 11:00 AM

#4

diggerdiver

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6 sp tranny overheating?

Ok, thanks for the info. As far as I can tell, its got plain old ATF in it, but its going to get Synthetic. Thanks again....

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Apr 18, 2001 | 07:30 PM

#5

tinman_r75

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6 sp tranny overheating?

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