So I’ve been debating….

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ToddS1971

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changing my transmission fluid. Bought the truck used with 158k last year and it seems to shift fine, slight and I mean ever so slight slip 1-2, kind of a light flare maybe, temp runs around 183-188 most days, it’s only crossed 190 a handful of times, has the normal 2-1 bump when coming slowly to a stop, but I wouldn’t call it harsh. I don’t buy the “filled for life” bs, and feel it needs changing at some point, but almost hate to mess with it. Maybe take a small sample of fluid, an ounce or two and see just how dark it is? Replies appreciated
 

HunterCat

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I fully understand your apprehension to mess with it but I would change the fluid. Not a flush but a drain and refill. I also don't buy the "lifetime fluid" nonsense. If you're not comfortable doing the work yourself, use a local mechanic that you can trust.

They make the process somewhat complicated with fluid temps etc. but I *think* you can bypass that by measuring the volume of what came out and putting the same volume back in. I'm sure people with more experience than me will be along shortly to comment on that.
 

Jeepwalker

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Todd,

What you "could" try is calling the Ram service dept and see if there is any record of your tranny fluid being changed. If Chrysler did it, it "should" be in their records. Probably a long shot, but worth a call. If you bought it private party, try to contact the owner if possible, or the garage he/she used. If it has been changed, then you saved yourself a lot of work/expense, and can feel good things are on the right path.

Before doing it, watch some videos how to do it. You need to raise the rear of the truck up to get the tranny level to get the fluid right. Not that difficult, but something to be aware of. Yeah, I would change it too if I was in your shoes and it hasn't been done. Smart.
 

Travelin Ram

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I would change it. There are too many discussions existing to repeat all the debates.

I’d also go to a friendly dealer and request the service history. I bought a used GM a couple of years ago from a private seller, and the local dealer gave me a printout of the entire history from new.
 

Jeepwalker

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Yeah ...the Ram service guy basically rotated the monitor around and showed me what had been done to my pickup in the past. Let me read it. He was cool about it. I didn't need a service print-out b/c there wasn't that much work performed (mostly warranty), oil changes, etc early on when it was new under warranty. Not much afterwards. So then I performed all the fluid changes and maintenance items.

But I did get a print-out of the build options (which a guy can get online anyway).
 

caulk04

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I'd do it. That fluid is dark, real dark. No need for a fluid sample.

I recently did our Fusion transmission which has 100k. Super dark. It doesn't even have a filter you can replace, so I drained and filled twice (4qt each).
 
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ToddS1971

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Thanks for the replies. Yeah I’ve watched the videos and know about the jacking it up, 86-122 degrees, let it shift to 2nd, etc etc, I just have one question…do the jackasses in engineering wanna come get that crossover pipe out of the way of my drain plug?
 

EdGs

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I just have one question…do the jackasses in engineering wanna come get that crossover pipe out of the way of my drain plug?
Lol.

Yeah, the crossover pipe sucks, but it shoudn't be too bad. A stubby or cutdown 10mm hex key should be enough to loosen the drain plug. Some brakleen on a rag will take care of fluid on the crossover pipe.

BEFORE YOU DRAIN THE TRANS:

Crack the fill plug loose first. Hercules was working on the line when my trans was filled, that plug was tight. I had to use a cheater to break it loose.

May your trans service go smoothly.
 

Wild one

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Thanks for the replies. Yeah I’ve watched the videos and know about the jacking it up, 86-122 degrees, let it shift to 2nd, etc etc, I just have one question…do the jackasses in engineering wanna come get that crossover pipe out of the way of my drain plug?
 

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