94 clutch master cylinder with 99 slave is this bad? - Dodge Cummins Diesel Forum
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post #1 of 9 (permalink) Old 03-20-2012, 10:32 PM Thread Starter
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94 clutch master cylinder with 99 slave is this bad?

I swapped my manual from a 99 and used everything but used my 94 master cylinder from before. Clutch is pretty easy but it doesnt take much travel to move it. I tried putting a 94 slave on but the fitting on the 99 line is too big for the 94 slave. Should i lightly drill the slave out or just return it?


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post #2 of 9 (permalink) Old 03-20-2012, 10:50 PM
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What's bad about using the 94 slave cylinder with a 99 nv? that is making you want to return the one? Do you want to return it and use the 98-02.5-02 instead?

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post #3 of 9 (permalink) Old 03-20-2012, 11:01 PM Thread Starter
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The 94 master cylinder and 99 slave is making my clutch pedal where i barely have to push in like maybe 1 1/2 inch to shift gears or take ff. the 94 slave i got to use wont fit the 99 line i have. Also the 99 slave cylinder is way smaller than te 94 As far in total size

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post #4 of 9 (permalink) Old 03-20-2012, 11:13 PM
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Sounds like you just need the 99 master cylinder to complete the whole hydraulic system to be the newer style nv trans. so the 94 slave is all around smaller? Shorter push rod and slave body?

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post #5 of 9 (permalink) Old 03-20-2012, 11:24 PM Thread Starter
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The tranny isnt any different from 94 just wondering what i need to do the hydraulics are the only difference

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post #6 of 9 (permalink) Old 03-20-2012, 11:26 PM Thread Starter
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Like the 94 is a 1" bore and the 99 is like a 3/4" bore. Which makes a difference in pressure and force.

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post #7 of 9 (permalink) Old 03-20-2012, 11:30 PM
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There is a difference between the 94-98 and 98.5-02 nv transmissions main thing is the newer ones have a short throw shift pattern I would return the 94 slave cylinder and get a 98.5-02 master cylinder and use the 99 slave cylinder line and master you should be set then

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post #8 of 9 (permalink) Old 03-20-2012, 11:35 PM Thread Starter
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I have it in the shop, the only reason i didnt use it is because the rods that connect to the master cylinder are different lengths and how do i remove the rods because there is little keepers that when u push the rod through it keeps it in the master cylinder

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post #9 of 9 (permalink) Old 03-20-2012, 11:42 PM
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Sounds like its just the master cylinder / rod length giving you trouble Can you adjust the linkage at the pedal so it takes more pedal travel to fully compress the rod in the master cylinder? If not you might be able to interchange the master cylinder rods I can't say for sure if you can though haven't messed with the older ones

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