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2002 Toyota MR2 Spyder (SMT)
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Discussion Starter · #1 ·
I'm in the process of converting my SMT to a MT and I'm trying to install the counterweight onto the shifter shaft but I can't seem to get this pin in. It's being prevented by hitting against the shaft inside, but it's supposed to go in. Am I doing it wrong? I have provided pictures below. The pin is the screw that's sticking out of the counter weight
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The shift shaft appears to be upside down. The notch should be on the bottom. It is possible for all of the internal levers to be installed upside down. The assembly has to be pulled from the transmission, the roll pins knocked out, and the levers flipped over.
 

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2002 Toyota MR2 Spyder (SMT)
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Discussion Starter · #5 ·
The shift shaft appears to be upside down. The notch should be on the bottom. It is possible for all of the internal levers to be installed upside down. The assembly has to be pulled from the transmission, the roll pins knocked out, and the levers flipped over.
That's odd bc MWR sent the shift shaft assembled how it is currently. Just to confirm, is this correct? (upright positions, the side the counter weight is going on, etc.)
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Man, I have no clue. Did you install the "shaft"? Is there any possible way it could have been installed upside down?

I'm just trying to keep the thread alive till someone with a real answer comes along, as I've been in plenty of similar holes, and they SUCK!!
 

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It looks like the shaft is assembled correctly, but installed upside down. The circled section below should face downward and engage the shift forks. Note the notch is at the bottom as well

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2002 Toyota MR2 Spyder (SMT)
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Discussion Starter · #8 ·
It looks like the shaft is assembled correctly, but installed upside down. The circled section below should face downward and engage the shift forks. Note the notch is at the bottom as well

View attachment 89460
Thanks! That helped out a lot!
However, it seems that after installing it in the correct way and connecting the shift mechanisms on, it doesn't seem to want to move when connected together and with the two shift linkages connecting to the gearbox (shift and select). But when taking the linkages off the mechanism, the gearbox shifter works as it should. Any ideas?

(also moving the counterweight does not make the shaft move nor does it move the rest if the mechanism attached)

-The shift shaft is installed properly and goes in nicely
-Detend is installed on the top
-Shift linkages are connected to mechanism (but one is disconnected in the photo I took).
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... it doesn't seem to want to move when connected together and with the two shift linkages connecting to the gearbox (shift and select). But when taking the linkages off the mechanism, the gearbox shifter works as it should...
So with no cables connected, you can shift by manipulating the counterweight, but with the cables connected, nothing happens? It seems clear that your cables are installed wrong. Maybe they are switched. That could give you the impression that everything was locked up.
 
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