Tranny Fluid Change - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 11-29-2004, 09:56 PM   #1
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Default Tranny Fluid Change

Im talking about cars here, lol nevermind. My transmission was rebuilt about 5k or so miles ago and just so I feel everything is in perfect working order Ive been wanting to change the fluid in it. How hard is it to do this myself and is it doable with two simple jack-stands? Eh I probably wont be able to do this myself but isnt it expensive have this done in a shop?
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Old 11-29-2004, 11:38 PM   #2
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Of coarse you can do it yourself. Jack the front end up and put the stands under it. Start removing the pan bolts at one of the rear corners and work your way around from both sides so as you get to the front corner the pan will tip rearward and pour into a pan. Spread lots of news papers as it will still splash. After the pan is down, pull the filter and replace it. Be careful of the opening in the filter. It is razor sharp. Pan gasket is reusable (at least on a '96). Put the pan back up, torque to spec'* and fill'er up. It'* a little messy, but very easy.
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Old 11-30-2004, 02:08 AM   #3
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if you are serious change it out, drive for a while, maybe a few hundred miles and change it again.

You need a LOT of a atf though. I was supprised how much these hold.
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Old 11-30-2004, 04:00 AM   #4
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Cool! Is there any good fluid out there that I can use? Like whats the best? I heard there is synthetic? Im thinkin if I follow the above advice to make sure its super clean in there I'll buy some cheap stuff and drive it for a couple hundred miles hard and soft and then buy some synthetic and replace the fluid. Sounds like a plan but what are we talkin in terms of cost? My dad wont like the idea of spending money on cheap stuff and just pouring it back out after a few miles but I can probably convince him. Man my cars gonna rock in a month or so after I get all my mods done.
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Old 11-30-2004, 04:40 AM   #5
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If you only got 5k on that fluid, then why change it? I change mine in my truck (and my car when I get this far) every 20K and the fluid looks just about as good as it did coming out of the bottle? And my truck'* trans was rebuilt about 10k ago, and my car'* trans about 17K ago, and the fluids good. Seems kinda like a pricey thing to do when it'* not needed, I could be wrong.
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Old 11-30-2004, 07:42 AM   #6
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It can't hurt [other than your wallet] changing your fluid before it'* suggested cycles, correct? Well, that'* what I would do. If I could afford to change my fluid every 10k, then that'* what I would do. That'* what I am planning on doing, too. I will probably do this with all my fluids, just because of the lack of maintenance on the car, I may be able to make it up with this.


-justin
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Old 11-30-2004, 08:13 AM   #7
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Quote:
Originally Posted by LakevilleSSEi
If you only got 5k on that fluid, then why change it? I change mine in my truck (and my car when I get this far) every 20K and the fluid looks just about as good as it did coming out of the bottle? And my truck'* trans was rebuilt about 10k ago, and my car'* trans about 17K ago, and the fluids good. Seems kinda like a pricey thing to do when it'* not needed, I could be wrong.
Well its more of a feel good thing. Its like how I always like to start off on a fresh installation of Windows when I only install a stick of ram, lol. But I want to do it mostly because it was rebuilt and I want to make sure I get out any metal shavings or such that may have developed due to some new parts breaking in or however it works.
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Old 11-30-2004, 09:41 AM   #8
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Cork gaskets are nasty, but the one on your 93 will be a re usable one, just clean er up good with some paper towels and your set...if there is any grit int he bottom of the pan or on the magnet, wipe it all squeaky clean. The filter might be hard to get out...mine was, the neck broke inside of the fluid intake, but i got it out by breaking it inside of the intake and pulling it out, its recommened that when you put the new filter in, you add some petroleum jelly (vasaline) to the neck of the filter (part that goes fits inside of tranny intake) this can help down the road when u change it again, but don't go overboard on the vasaline, the filter might not want to stay put once you install it. When i did mine, i checked the fluid before hand, made sure it was at Full Hot, then i drained it into 4L ice cream pales, then poured the old fluid into washer fluid bottles (4Litres as well), i used this as measuring device to make sure i put in Exactly what i took out, this is crucial for the longeity of your rebuilt trans. Other then that I belive the pan bolts are to be tourqed to 13 lbs a peice, do this in a cris cross pattern so the pan is evenly sealed, if it isnt, you will get a very annoying leak and will end up basically re-doing the whole project. I belive in the Chiltons manual for the Bonneville 92-99 it explains exactly how to do it as well, but you always have us if u need further assistance.
Hope this helps!
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Old 11-30-2004, 11:03 AM   #9
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Helps greatly but I probably wont be doing this anytime soon. Thanks for the tips and suggestions!
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Old 11-30-2004, 11:47 AM   #10
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Off topic but what would happen if I took a shotgun to the engine? Im talking 12 guage single shot with the hood open and about 10 feet away aiming for lower intake? For some reason I doubt it would do much except for maybe crack the UIM and maybe cut a few wires.
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