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dumbasstic tranny question

857 Views 10 Replies 8 Participants Last post by  steved
should i bother changing the tranny filter if it's been about 25,000 since i last serviced it?
I'm going to be dropping the pan to install a sensor and a drain plug (2 different locations).

I don't know if there is any ill effects or not, but I heard that if you mess with them sometimes they start acting up.
If it ain't broke i don't want to fix it until it is.

what do yall think?
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I would. Cheap preventative maintenance.

I drained the fluid every 10k, and changed the filter every 20k in my 99 2500.

steved
do it man you'll be fine if you serviced it a while back. I'd only be leary about changing it if it has never been done.
yea def dont touch if it hasent been touched for years, last time i did it it cost me a new tranny for my old s-10
thanks, just making sure. I'll pick up one tomorrow.

hieneken49: look in the top post, I last serviced it about 25,000 miles ago. It has been serviced twice since I have owned it. It should be fine.
why would changing a filter cause you to have to get a new tranny? what could do harm in changing fluid and filter?
well the consensus is that if you havent serviced it on schedule then dont start doing it now because it will only stir up more debris and end up in a worse situation that you were in to start with.
On 2005-12-06 14:04, DeerHunter wrote:
well the consensus is that if you havent serviced it on schedule then dont start doing it now because it will only stir up more debris and end up in a worse situation that you were in to start with.

:withstupid:

i have always heard the same thing
yea the dude told me that when i changed the fluid all the crap in the fluid was like holding everything in place.
If you havent changed the fluid in a long time the trans builds up a kind of varnish, once you change the fluid it starts to break down the varnish that has been there and the trans parts just dont seam to hold up once that happens, ive seen it many times, we used to refuse to service them unless the customer signed a waiver when they couldnt show proof that they had been serviced with in the last 25,000 miles, or if it was really burnt up when checking the fluid, i have kinda a delemia myself, as it has been yrs! and mine has never been done, problem
there is its a 1998, i bought it in beginning of 2004 with 25,500 miles, it now has 39,000 miles, so im thinking its a toss up, the fluid dont look to burnt however ill bet its never been done before.. so what do you guys think??
im thinking of giving it a go, hopefully it will hold together
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See I was told that the tranny is like an engine...if you run the same oil forever in an engine, then suddenly switch, the new oil may have different detergents within it that might remove any deposits left by the old oil that have been "sealing" the leaks...the new oil removes those deposits and you get leaks...

Same holds for a tranny too because over time the detergents get used up and the new oil has fresh active detergents...and also it can allow a lot of garbage to come loose and float around that will cause blockage of ports (bad news for either a engine or a tranny).

I never had an issue...if the fluid looks good, I changed it...if it looked like it had 250k on it, I left it alone. And again, I might have been overkill, but what is 5 quarts of fluid every 10k and a filter every 20k...cheap insurance. That was the "routine PM" I did on my 99 2500CTD because of the horror stories of the auto eating CTD.

steved
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