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post #1 of (permalink) Old 09-16-2002, 08:31 AM
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External Tranny Filter questions

I tried to use the search but didn't find anything.

I remember hearing that if you use an external tranny filter you need to change the filter in the tranny. Any suggestions? I have a th400 in my CJ and getting the external filter.

After replacing the pan filter. How often do you need to check it or is it good forever since you have an external filter?

Any help would be great. Thanks.
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post #2 of (permalink) Old 09-16-2002, 09:13 AM
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Re: External Tranny Filter questions

Elusive suggested using one of the remote oil filter (from Summit, etc.) with the tranny cooler lines a few weeks ago. I'm strongly considering it as a winter project. Also thinking about welding a drain plug/bung in the pan. What a PITA to drop the pan without covering everything with ATF.
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post #3 of (permalink) Old 09-16-2002, 09:42 AM
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Re: External Tranny Filter questions

I already have the drain plug in the pan. Im getting the external filter. My question is regarding the stock filter in the tranny. And also if the external filters are special filters or just oil filters.

Thanks.
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post #4 of (permalink) Old 09-16-2002, 12:33 PM
 
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Re: External Tranny Filter questions

the external filters are just oil filters and work fine. i think they are the same as a Fram PF-8a. i use a Napa Gold 1452 on my remote filter without problems.

i have a remote filter on my 1994 RAM 1500. i change the remote filter every 5000 miles (oil change interval) and the one inside the tranny every 25,000 miles. i figure that by changing out a quart of fluid (volume of filter) every 25,000 miles, and then 6 quarts when i do the internal filter, my tranny should be fine. by the way, the last time i changed the internal filter, it didn't even look dirty. i did clean out the little bit of sludge in the bottom of the pan though.

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post #5 of (permalink) Old 09-16-2002, 02:27 PM
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Re: External Tranny Filter questions

So, let me get this straight.

The trans fluid flows through the internal filter then to the external filter. The internal filter gets changed at 25k mile interval. The external filter at 5k mile interval. Does this seem backwards to anyone else?
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post #6 of (permalink) Old 09-16-2002, 02:34 PM
 
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Re: External Tranny Filter questions

ive always used a brass screen type filter inside the trans, and then changed the external filter every 2 changes of ATF ( easy to change atf with a drainplug in the pan)

if teh trans is healthy you would rarely need MORE than a brass screen alone in the pan!
its just a failsafe really ( the brass screen in teh pan)
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