1st time in trans and need Help Please!!!!!

DetailsUnlimited

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Oct 26, 2009
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This is repost but i have no clue whats wrong. So here goes... Refreshed trans and all went well. Replaced c1-c4. The only reason for this was a rpm flare on3 to 4 upshift. Put back in truck and filled with fluid and ran thru all gears and test with tech 2. Went for a drive and all gears shifted smooth. Returned and shut off and then went to store and that was it for Saturday night. Sunday morning got in and would not shift into 2nd. So I have 1st and rev. No code for a while and then P0776 and P0732. So the P0732 goes away but the P0776 stay so look at the tech 2 and no pressure on solenoid B. So replace it and now I have pressure but trans still will not shift out of 1st. I'm at a stand still with this and need my truck. Any help please?
 

Mike L.

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Aug 12, 2006
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P0776 is a tie up. ( 2 gears at once ) I would be looking at the speed sensors or transfer case. I never see a P0732 code unless the C4 clutch pack is totaly mis- installed or the speed sensors are not working, or the tone wheel in the T/C is moving around.
 

DetailsUnlimited

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Oct 26, 2009
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Went back in and found a piston had been damaged. And solenoid b.
Now that it's back together I'm having the following issues.
Shifting into 1st clunk
shifting into reverse pause then clunks
throttle light 1-2 upshift clunk
medium throttle 1-2 clunk but not as hard
5-6 upshift and downshift clunk
and a 3-4 flare???
Are these issue related to clutch pack clearences? Or valve body issues?
 
Last edited:

DetailsUnlimited

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Oct 26, 2009
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If the c2 and c1 are engaged for 4th gear and are in perfect shape and still have a flare. What in the valve body controls this gear to be engaged. What should I be looking for? Sticking valve, spring?
 

DetailsUnlimited

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Yes, but I did it backwards. Fast relearn then reset taps. All I have right now is my V2. I'm about to reset all taps and then fast learn with it. But I don't think it works as well as the tech2
 

paint94979

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Sep 18, 2006
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Yes, but I did it backwards. Fast relearn then reset taps. All I have right now is my V2. I'm about to reset all taps and then fast learn with it. But I don't think it works as well as the tech2

Sadly it doesn't but lots of guys only used EFI Live after a rebuild and they have had ok success
 

DetailsUnlimited

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I know it's not the same but after many resets with V2 and individual taps.
Well my trans.... If I was only racing it hauls ass! Light throttle it bangs into gear.
P-1 pauses then goes into gear
1-2 dead space then bang grabs
P-R pauses then goes into gear
2-1 down shift grabs quick
5-4 down shift grabs quick
 

DetailsUnlimited

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Oct 26, 2009
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Still in the process of of figuring what is wrong, but just wanted to put it out there saying thanks to all the people that have taken time out of there busy day to help me with my tranny issues!