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    7.25 Flange Gaskets-Do They Exist?

    To fix my diff problem I have to pull the axles. FSM says it is imperative to to replace the axle inner seal and both gaskets. Seals are available everywhere. However, the foam gasket and the embossed metal gasket don't seem to be available. I've searched the forum and googled fruitlessly...
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    Rearend Took a Dump. How Bad Is It?

    I first noticed something wasn't right when I turned corners from a stop and it sounded like I had run over a big pop can. Didn't know what to make of it. Till yesterday. Turning right from a stop sign, there were these two SEVERE bangs from the rear of the car. I thought at first the guy...
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    Am I Gettin' The Neutral Finger?

    This might be a stupid question but it's the last thing I do before the pan goes back on for good (hopefully). ATSG says to put the neutral switch in and then "center the neutral finger" before torqing the valve body down. Does my finger look centered? It's a 1 wire switch and I get...
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    Valve Body Screws Left Out?

    I was finishing up putting the valve body (904 )back together after installing a TF2 shift kit when I noticed there weren't as many screws as there should be. I didn't lose 'em either. I'm sorta uber anal when taking something new apart, so as each screw came out it was immediately cleaned...
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    Minimum 904 Endplay Problem?

    I may have a clearance issue. Suspended the trans and and got a max endplay of .044, which is acceptably in the middle of the range (.022 - .091). Could definitely hear the "clunks" on the up and down stops. Good so far. With the dial indicator still zeroed on the input shaft, I then...
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    Checking 904 Endplay

    Nearly ready to finish up my 1st 904 rebuild but have a question or two about measuring the input shaft endplay. Our resident tranny gurus all suggest standing the tranny on the tailshaft and then measuring the input shaft endplay. My question is does the tailshaft housing need to be bolted up...
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    "Servo Flop" - TransGo Fix

    Was going through the instructions in my just arrived TF-2 shift kit and there was this supplemental page, not part of the original stapled 7 pages which addressed "servo-flop". I have three questions about this mod: Is this a real issue? The TF-2 kit is meant for either a 904 or 727 but...
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    Tailshaft bushing clocking

    Using the search function does provide answers. Unfortunately, there is a difference of opinions. There is a wider slot at the top (12 o'clock) position with a ridge in the middle. There is also a slot at the lower right (5 o'clock) position. One person says the oil hole in the bushing...
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    Rear band questions

    Hi guys, I'm finalizing my parts list for my 904 rebuild and have questions on rear bands. My tranny is a '71 so there are some quirks. First what's the benefit (or not), of using a double wrap 2" wide rear band vs a single rigid band? Secondly, any downside to using relined rear bands. New...
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    Now I know why 904 was having issues

    Sigh. First tranny rebuild and this is what I found. I've owned this car (68 FB w/mild build on a teen) for about five years and have put about 9,500 miles on it before I started having tranny issues. I dropped the pan about 200 miles ago to see what I could see. No metal in pan, filter...
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    904 Rear Servo Arm Removable??

    I took the plunge into the mystical world of Chrysler automatic transmissions, having never worked on any automatic tranny. I have everything disassembled except for one thing - the arm the rear servo moves to apply the rear band. Everything else came out of the case in preparation for a good...
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    To do before car goes up for tranny pulling

    Haven't done this before so lemme know if I'm forgetting anything. My checklist to do while the car ('68 FB with 904) is on the ground and I can reach the topside stuff. Don't want to find out the hard way I missed something: Remove neg bat cable Remove dizzy cap and rotor Remove oil...
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    Help Diagnosing 904 Issues

    I just started having some weird tranny issues. Car is a 68 FB with a mild build on an early ‘70’s 318. Bought the car with this setup so I’m assuming an early ‘70’s 904 as well. Car has always performed great, with no issues for 3-4 years until a few weeks ago. Start the car up after a...
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