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Transmission troubles

S

SkyScraper

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May 16, 2002
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Location
Southern Indiana
Well its been a long time since I posted here, but you guys have always been very helpful in helping me figure out the problem or how to fix it.

The problem is that my Son was driving my truck this week. Been fine for years never any Transmission problems (I know better now :D).

Today he calls me up and says it died and now I can't get it into drive or park. It just rolled down the hill and he had to apply the brake.... but Reverse works.

So when I get there that is exactly what is happening. After some work this afternoon I found that the shifter lever (not sure of the real name for the component) of the transmission will only go into reverse and if I take it to the park position it does not quite make it there. So Park doesn't work anymore and if you take it down below reverse I can fill metal on metal... best way to describe is a stripped bolt in a threaded hole... but it stops and does not go very far.

I have been trying to find some exploded views of a TH350 or TH400 (still have to figure out which on I have). Also from what I have found on that component it looks like it maybe a "Pawl" or the "Manual shaft". I also found something on TH350 Rooster. That I am not sure what it is.

Can anyone give me some insight on a repair for this or is this something I ma better off sending to a transmission shop or just sell my truck. Any websites that have an exploded transmission assembly.. my search has not been so good tonight.

I don't mind working on this myself if I can understand it and how it works.

Sorry for the long post!
Thanks,
Scott
 
Did it die (stall) while driving? Or did he hop in to go someplace and try to put it in drive and it wouldn't go?
 
sounds like a linkage problem honestly. id check to see if the shifter cable is messed up
 
Well he says it died and he tried to put in into park and it wouldn't go at that point. Whether he did something wrong prior he didn't say.

I dropped the pan today and I found 3 metal pieces. Can't tell where they came from. The linkage between the shifter to the trans is working fine. When I try to switch it while the pan is off it does the same thing, but it does not show anywhere that's its stripped like in my first post. it just stops. Makes me think something broke and a metal fragment is lodged between the teeth and is causing the shifter from shifting. But I am not transmission expert by far. I guess it will have to be towed into the shop, because I don't see anything wrong from just taking the pan off.

If anyone has any other ideas please let me know!:confused:
Thanks,
Scott
 
Chaddy, that avatar cracks me up. I'd love to see the looks on the kids faces (and their parents) when they come up to your door to trick or treat.
 
Slapperbar said:
Sounds like someone was doing reverse drops.
Click to expand...


No need throwing the kid under the bus just yet. Neutral drops will strip out the case normally and not hurt the manual valve or linkage. If it's not going into park there is a mechanical linkage problem. There is a solid metal rod with a spring and a slide heading toward ther rear of the trans. The linkage is also connected to the manual valve that located in the valvebody you can try disconnecting things to find out what is hangin up. There could be another metal chunk jamming something up. But keep in mind, even if you get it working it needs to come apart to figure out whats broke because those chunks came from somewhere..... Good luck!!
 
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