C6 woes
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From: France
C6 woes
Well, here goes... after changing my 6.9 to a 7.3, 6.9 ate a valve, I finally got the engine to run correctly....but.... I tried to put the trans in reverse,nothing, in drive 1 & 2 nothing? The torque converter went in fine and all the trans linkage is in place, what's going on??
Thanks,
Saigon
Thanks,
Saigon
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Joined: Feb 2004
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From: Marengo, Iowa
If you had the converter loose, it drained itself a ways. If you want to change out the fluid, drop the pan and change the filter too, but otherwise, you just need to top off the trans. Unfortunately, they didn't see fit to put a drain plug in from the factory. Sometimes the converter has a drain plug, sometimes they don't, but I wouldn't get too concerned about it.
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Well I found the drain plug on the converter and drained it out,took a look at the bible (manual), they do say that before you put in the converter ( engine swap or overhaul) to drain it completely. I don't know much about trans but I imagine it will get the fluid it needs from the C6 ?
Saigon
Saigon
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From: Marengo, Iowa
Yes, that's why I stated to check the fluid level, which was the trans fluid level, it does get its fluid through the pump. I always put some fluid in so it wouldn't be totally dry in there on the bearings. The converter tends to hold a couple quarts or so. (one quart will sometimes keep a trans from working properly, and if the converter is not full, it won't move at all) Another check is to take one of the cooler lines loose while it is running to see if there is any flow. If I recall, you had a problem getting the converter to line up in the pump when you were putting it back together, there is a possibility the pump was damaged. You will be able to find out by taking one of the cooler lines loose, fluid should be coming out, not high pressure, but flowing all the same. No flow, no pump.
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From: France
Originally Posted by fellro86
We all had to learn sometime, and I made my share of mistakes...
I drained the torque converter, started the truck....no response.Then I took off one of the trans oil cooler lines and nothing came out! Now, the big question..is it easier to remove the transmission than the engine? Could I just unbolt the torque converter and the bell housing, raise the engine a bit and see if I can slide the converter back and forth so it will go in with the flats in the right position?Is it possible that I messed up the trans pump?
Thanks,
saigon
There is no grinding noise from the trans, as a matter of fact there is NOTHING from the trans ;-)
Last edited by Saigon; Aug 20, 2006 at 12:49 PM.
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From: Marengo, Iowa
If it is 2wd, it is much easier to pull the trans down, but I highly recommend a jack to do it. I modified a floor jack to do it, but a trans jack is best. It unfortunately sounds to me that the pump may be damaged, as I doubt you could get the terans up tight without breaking something. I broke the case on the one I didn't get the converter seated on. I recently had a pump totally fail in my T/A, and it made no noises either, ut once I started taking hings loose, I found the converter was hanging up in the pump. I haven't gotten it taken apart yet to find out absolutely, but I'm sure it self destructed. It was working wonderful, then nothing... no fluid out the cooler lines either.
Last edited by fellro86; Aug 20, 2006 at 02:06 PM.
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Today I unbolted everything from the bell housing to the drive shaft.I moved the bell housing about 3 inches from the flywheel and stopped for the day,tomorrow I am going to uncouple the transfer case and tranny, leave the transfer case hanging and bring down the tranny,is there any way to see if the tranny pump is messed up while its off the truck?Saigon
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My recommendation is to separate the case from the trans. Some will say it isn't necessary, but that it my preference, just too tippy and hard to handle for my taste, and it only is 6 bolts to drop it. SImply rotate the converter and se how it feels would be the initial test, but to actually take it apart and inspect requires the trans to be partially disassembled, noit entirely a big deal, but can be tricky. We'll cross that hurdle when we get there.
