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Posted: 7/23/2014 9:49:42 AM EDT
[#1]
I'd like to hear the opinions as well. I have an '01 Dakota that I bought in '07 with ~42,000 miles. Transmission went out 6 months later ~50,000 miles.
It's about to hit 100k in the next month or two, so I've been wondering whether to replace the fluid, flush the system, or leave it alone.
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Posted: 7/23/2014 10:12:53 AM EDT
[#2]
They still using the 5-45RFE trans in that year? I have that one in my WJ (2002). Has 2 filters, sump and spin-on. I've been doing trans fluid changes at least every 50K on it. First trans let go at 200K, but that was just a snap ring that holds the OD (4/5) gear clutches together. But, I replaced it with a reman trans that now has about 68K on it.
I highly recommend that you put a drain plug in the pan when you drop it. Makes subsequent fluid changes much less messy. So, yes. Change the fluid. You don't get it all out anyway, so new will mix with old. |
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Posted: 7/23/2014 1:04:44 PM EDT
[#3]
drop pan, replace filter, refill. every 30k miles, just like the diffs. Don't do a "flush"
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Posted: 7/24/2014 4:26:21 PM EDT
[#4]
And use ATF+4 fluid ONLY!!!!
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Posted: 7/24/2014 5:30:08 PM EDT
[#5]
Like I said, I wanted to hear from different people. Some old school mechanics have told me to let it be, and don't touch it.
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Posted: 7/24/2014 7:12:57 PM EDT
[#6]
Regular fluid changes and a good cooler are what makes an automatic transmission last.
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Posted: 7/24/2014 7:26:25 PM EDT
[#7]
Generally, if it's an older vehicle which has never had regular maintenance, you let it go. If it has had regular maintenance, go ahead and continue.
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Posted: 7/24/2014 7:30:13 PM EDT
[#8]
Very easy to do. Do a quick search for a B&M transmission plug. You can a basically DIY a drain plug so that the next time you do it, you can drain the pan first, before taking it off. That saves a lot of mess. It literally is as easy as changing your own oil.
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Posted: 7/24/2014 11:56:44 PM EDT
[#9]
Quote HistoryQuoted:
Regular fluid changes and a good cooler are what makes an automatic transmission last. My truck does have a transmission cooler on it now. |
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Posted: 7/25/2014 4:50:32 AM EDT
[#10]
Quote HistoryQuoted:
They still using the 5-45RFE trans in that year? I have that one in my WJ (2002). Has 2 filters, sump and spin-on. I've been doing trans fluid changes at least every 50K on it. First trans let go at 200K, but that was just a snap ring that holds the OD (4/5) gear clutches together. But, I replaced it with a reman trans that now has about 68K on it. I highly recommend that you put a drain plug in the pan when you drop it. Makes subsequent fluid changes much less messy. So, yes. Change the fluid. You don't get it all out anyway, so new will mix with old. yes he would have the 5-45. OP, I've had three Rams over the last 10 years. Every 30k-40k I drop pan replace BOTH filters. Each truck was owned for over 100k miles and Ive never had a trans failure of any kind. These trucks were used towing/off road/ burnouts/some drag strip. |
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