Transmission issue`s
08-04-2010, 07:11 AM
#1
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Transmission issue`s
Yesterday I posted that I needed some help with my 1999 2500 auto trans that was stuck in second gear. Well last night I ended up pulling the valve body and discovered that the "Rooster Comb" was jammed with a wedge shaped hunk of metal.
I am having a problem trying to figure where this piece came from. As stated it is a wedge shaped object that looks like it rides on a ball bearing or maybe a rounded shaft, on the other end it has a small V shape cut into the flat. I have no idea what it is or what it does. Can someone help me out and explain where it should go.
My other issue is that when I removed the valve body I noticed a pair of bands hanging down, the drum that they ride on had some wear on it with some shallow groves on it. Is this normal??? or is the tranny in need of a rebuild?? Sorry for the long winded post, thanks.
I am having a problem trying to figure where this piece came from. As stated it is a wedge shaped object that looks like it rides on a ball bearing or maybe a rounded shaft, on the other end it has a small V shape cut into the flat. I have no idea what it is or what it does. Can someone help me out and explain where it should go.
My other issue is that when I removed the valve body I noticed a pair of bands hanging down, the drum that they ride on had some wear on it with some shallow groves on it. Is this normal??? or is the tranny in need of a rebuild?? Sorry for the long winded post, thanks.
08-04-2010, 07:53 AM
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I can try and get some tonight. The piece that I am talking about is about 2 inch`s long. It sort of resembles an arrow head but is not pointed at the front
and has the rounded indentation that looks like a rather large ball or a rounded shaft fits into it.
I have searched looking for a schematic of the transmission but have had no luck finding one.
and has the rounded indentation that looks like a rather large ball or a rounded shaft fits into it.
I have searched looking for a schematic of the transmission but have had no luck finding one.
08-04-2010, 08:40 AM
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Sounds like....
...your intermediate band anchor has fallen out.
Perhaps the strut failed and the anchor fell out due to lack of tension on the band.
Is this the part:
Perhaps the strut failed and the anchor fell out due to lack of tension on the band.
Is this the part:
08-04-2010, 08:59 AM
#5
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It is the wedge that goes into the tab on that loose band (passenger side) you have things that have come loose and fell apart that band should not be loose like that.
The strut came off of a band adjustment bolt (passenger side) you also will have a flat one loose in there that flat one that would be the apply strut.
This is what applies the band when the servo pushes it and makes the tranny shift gears. The flat strut hooks into the apply lever by the servo and goes into the tab on the band on the opposite side of the band from the wedge .
The drum should be a smooth surface for the band to clamp onto.
How much metal shavings were on the pan magnet ?
Lots of metallic glitter in the fluid when you drained it ?
The strut came off of a band adjustment bolt (passenger side) you also will have a flat one loose in there that flat one that would be the apply strut.
This is what applies the band when the servo pushes it and makes the tranny shift gears. The flat strut hooks into the apply lever by the servo and goes into the tab on the band on the opposite side of the band from the wedge .
The drum should be a smooth surface for the band to clamp onto.
How much metal shavings were on the pan magnet ?
Lots of metallic glitter in the fluid when you drained it ?
08-04-2010, 09:59 AM
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It is the wedge that goes into the tab on that loose band (passenger side) you have things that have come loose and fell apart that band should not be loose like that.
The strut came off of a band adjustment bolt (passenger side) you also will have a flat one loose in there that flat one that would be the apply strut.
This is what applies the band when the servo pushes it and makes the tranny shift gears. The flat strut hooks into the apply lever by the servo and goes into the tab on the band on the opposite side of the band from the wedge .
The drum should be a smooth surface for the band to clamp onto.
How much metal shavings were on the pan magnet ?
Lots of metallic glitter in the fluid when you drained it ?
The strut came off of a band adjustment bolt (passenger side) you also will have a flat one loose in there that flat one that would be the apply strut.
This is what applies the band when the servo pushes it and makes the tranny shift gears. The flat strut hooks into the apply lever by the servo and goes into the tab on the band on the opposite side of the band from the wedge .
The drum should be a smooth surface for the band to clamp onto.
How much metal shavings were on the pan magnet ?
Lots of metallic glitter in the fluid when you drained it ?
08-04-2010, 11:58 AM
#7
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You should be able to put it back together and make it work from the sound of things.
For how long and how well hard to say without seeing it and even then ??
The biggest concerns would be how much damage has been done to the band and drum, also how much garbage has been circulated threw out the tranny to other area's.
What was the condition and mileage on it prior to this ?
I would suspect someone has rebuilt or done work on it for that adjustment bolt to come loose by itself and allow the strut and wedge to fall out.
That does not normally happen unless you break the band.
At this point clean it out, flush the lines and put it together and see how it works. If i seams ok run it a little and change the oil again and check it's condition.
If you are not beating on it you could get a long life from it if it was in good shape before.
Kind of like the lottery you never know. Worst case you are back to where you are now looking at a possible rebuild.
Make sense ? Clear as mud ?
For how long and how well hard to say without seeing it and even then ??
The biggest concerns would be how much damage has been done to the band and drum, also how much garbage has been circulated threw out the tranny to other area's.
What was the condition and mileage on it prior to this ?
I would suspect someone has rebuilt or done work on it for that adjustment bolt to come loose by itself and allow the strut and wedge to fall out.
That does not normally happen unless you break the band.
At this point clean it out, flush the lines and put it together and see how it works. If i seams ok run it a little and change the oil again and check it's condition.
If you are not beating on it you could get a long life from it if it was in good shape before.
Kind of like the lottery you never know. Worst case you are back to where you are now looking at a possible rebuild.
Make sense ? Clear as mud ?
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08-04-2010, 12:27 PM
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You should be able to put it back together and make it work from the sound of things.
For how long and how well hard to say without seeing it and even then ??
The biggest concerns would be how much damage has been done to the band and drum, also how much garbage has been circulated threw out the tranny to other area's.
What was the condition and mileage on it prior to this ?
I would suspect someone has rebuilt or done work on it for that adjustment bolt to come loose by itself and allow the strut and wedge to fall out.
That does not normally happen unless you break the band.
At this point clean it out, flush the lines and put it together and see how it works. If i seams ok run it a little and change the oil again and check it's condition.
If you are not beating on it you could get a long life from it if it was in good shape before.
Kind of like the lottery you never know. Worst case you are back to where you are now looking at a possible rebuild.
Make sense ? Clear as mud ?
For how long and how well hard to say without seeing it and even then ??
The biggest concerns would be how much damage has been done to the band and drum, also how much garbage has been circulated threw out the tranny to other area's.
What was the condition and mileage on it prior to this ?
I would suspect someone has rebuilt or done work on it for that adjustment bolt to come loose by itself and allow the strut and wedge to fall out.
That does not normally happen unless you break the band.
At this point clean it out, flush the lines and put it together and see how it works. If i seams ok run it a little and change the oil again and check it's condition.
If you are not beating on it you could get a long life from it if it was in good shape before.
Kind of like the lottery you never know. Worst case you are back to where you are now looking at a possible rebuild.
Make sense ? Clear as mud ?
Last edited by mkozlows; 08-04-2010 at 12:29 PM. Reason: To give more concise information
08-04-2010, 01:47 PM
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I was really hoping that someone on here could explain how the band anchor attachs or where it is supposed to go. I cannot find a diagram anywhere which clearly shows how it mounts.
08-04-2010, 03:41 PM
#10
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Yes the band is supposed to be split in the middle it needs to be able to move so it can apply and release.
08-05-2010, 08:14 AM
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