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I recently rebuilt my 352, when I removed the transmission, it looked in good condition so just replaced the filter.
Installed the system and started up the engine.
The transmission engages into drive when I rev the engine.
I have tried all different combinations of shift linkage with no luck.
Is there something in the inside linkage causing this? I am taking the transmission out to review.
What should I look for?
How well did it shift before you fixed it.
I have overhauled several C6's and there is no way to tell the condition of one without taking it completely apart.
I assume you mean you have to rev the engine to get it to engage. There are at least 10 things that come to mind that can cause that. The first thing to check is the fluid level. A C6 with an empty torque converter will hold between 12 and 14 quarts depending on which pan is on it. The dipstick is stamped with the type of fluid that would have been in it when new. That is no guaranty that was what was in it though, so it is very important to drain all the fluid torque converter included if you are not sure what type of fluid was in it.
I have taken out the transmission and am opening it up to look. So far, not seeing anything that looks out of place. The shifter moves from low to park with ease and there doesn't appear to be any loose or misalignment. Though I would not know what I am looking at.
It appeared to have plenty of fluid. It was running just fine when I took the engine out. Had the engine rebuilt. Did not do anything to the transmission except change the filter and clean it out a bit.
Any suggestions from here?
Picture attached.
When you had the transmission out the first time did you remove the torque converter??
If so, are you absolutely certain when you re-installed it was fully engaged with the front pump. If it wasn't then you could have damaged the pump which would account for low pressure and slow engagement.
Yes I do remove the torque converter. Inspected it and cleaned it out. Then refilled it halfway. It felt like everything fit in nicely, but I have no idea. When we installed it back it was after the engine rebuild, we did it out of the truck, with the engine on the ground. We were able to carefully put everything back. I feel like it was done correctly. Everything came back out properly when removing.
I do feel like replacing the torque converter makes sense, but not sure that’s gonna be it. Other things to look at?
My friend that torque converter is like a centrifuge the only way to clean one out is to send it to a converter overhaul shop. They cut them open and clean them and replace the one-way clutch and thrust washers. If you just sloshed some solvent in there you may have done more harm than good.
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C6 Trans in 352 FE - shifting problems
