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Old 11-02-2008, 09:56 AM
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Transbrake installation questions

I am installing a transbrake in my TH400 and have a couple of questions for guys that have done this. Here is a picture of where I need to install the check ball but there is no hole there where the arrow is pointed. Does this make sense? Also, when I took the existing valve body off, there was only one check ball in the whole thing. I am thinking this tranny had already been setup for a transbrake at one point because the instructions say to remove the seals in and under the the rear accumulator apply piston which also has already been done. I hate to disassemble the whole tranny only to find out it has already been done. Any suggestions?

Thanks
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Old 11-02-2008, 12:00 PM
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Quote:
Originally Posted by S10 Racer
I am installing a transbrake in my TH400 and have a couple of questions for guys that have done this. Here is a picture of where I need to install the check ball but there is no hole there where the arrow is pointed. Does this make sense? Also, when I took the existing valve body off, there was only one check ball in the whole thing. I am thinking this tranny had already been setup for a transbrake at one point because the instructions say to remove the seals in and under the the rear accumulator apply piston which also has already been done. I hate to disassemble the whole tranny only to find out it has already been done. Any suggestions?

Thanks


the area the arrow points to is known as a "bath tub" ... the holes will be in the plate that covers the area. usually two holes since the fluid is directed in both directions in an OEM setup.

IF you want the trans setup correctly , I would disassemble it and check everything.... rather than do it half way , then have problems.


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Old 11-02-2008, 05:38 PM
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Ok guys, I have finally started putting the tranny back together with the help of Crosley's & Jakeshoe's info, Thanks a million.

Now, I am to the point of installing the transbrake solenoid. Instructions say to remove the old valve and install the spring first and then the new valve with the cupped end over the spring. I followed these instructions to the best of my knowledge but when I installed the solenoid, it's like it "bottomed" out the valve. Looking at the picture I have here, I can only push the solenoid about 1/32" in. It has very, very little movement. Where did I go wrong here? How much travel is the solenoid suppose to have?

Step #9 of the instructions says to (install stock manual valve into valve body). Can someone give me a clue here as to what they are taling about?

You guys have been awesome help and I am nearing the end of my first transbrake install. The next step will be to see if I did it all right I guess.
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