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John, thank you for your reply. That is what Is what I thought.But...."maybe contributing to a shorter life so I think it may be a good thing it’s not sealed there" I don't understand why this would be a good thing? I would think sealing it off would make it last longer and that would be a good thing?Thank you!Tom
Sorry. I just realized I did not ask the question properly. The question should have been:Does the butterfly shaft of the TPS side TB have a seal at the bottom? Sealing the TB shaft from the rotating part of the TPS?Like and old 1 barrel carb on a car. The butterfly shaft just rides in the carb casting, No seal. When the casting wears, it can become an air leak around the butterfly shaft.With the TPS at the bottom of a vertical butterfly shaft on the TB, maybe that is how the TPS gets contaminated by gas or whatever.Thank you and again sorry for not asking the question correctly,Tom
I read the rebuild thread. It looks like the seal is there just to keep outside air from coming in. The seal does not look like it will hold back any gas from leaking down to the TPS.Thank you!!!!Tom
So... Are you saying that it's double lip seal? Or just the single lip also keeps gas from leaking out? I have seen double lip, one keeps stuff in and the other keeps stuff out.Is it possible to replace the seal without removing the butterfly shaft?? Kinda scary to remove/install the butterfly screws.Thank you!!Tom
I see more gunked up and damaged TPSs on the EV , where it is under the throttle body. The ones on the CARC and spine frame where they are on top of the TB, tend to be more reliable.
Phil, Thank you!I don't mind pulling the TB's. I just prefer not to mess with the butterfly screws. Bad things can happen if one should fall out.Tom