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Discussion Starter · #1 ·
Need to change my transmission modulation vavle. Auto parts store says they make a single diaphram and double diaphram. What's the difference and how do I tell which one I need? They said they are color coded but I caint tell what color mine used to be. I know I have a push in modulator not a screw in but other than that I'm not sure. :headscratch::headscratch:
 

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87 Posts
Discussion Starter · #2 ·
c-4 Modulator valve needle?

I went with the single diaphram valve just guessing from my earlier post. Put it in and it shifts funny. Think I make wrong decision but I think I may have lost a needle that goes in valve. Didn't know it had one. Neighbor came over when he heard me fussing said some cars have a needle in the valve? Said when I pulled the old one out I should have exchanged needle. Anyone heard of this?
 
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