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Old 10-11-2008, 02:52 AM   #1 (permalink)
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Disable downshift on my Previa.? Help me P&G!

Four speed auto transmission downshifts way too easily. Does anyone know how to retard it or disable it temporarily so I can pulse and glide properly? It has overdrive too so it should be a pretty good improvement if I can get it to work.

Thanks.

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Old 10-11-2008, 03:51 AM   #2 (permalink)
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loosen the shift cable connected to the throttle body. i did it on mt lexus es300, that way it takes more pedel to make it down shift.
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Old 10-11-2008, 03:50 PM   #3 (permalink)
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RH77 did something similar with the linkage on his Acura. Seemed to work for him.
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Old 10-11-2008, 07:20 PM   #4 (permalink)
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Thanks!

That is so darn simple.

Thanks guys.

Super handy on my previa is access to the throttle body under the driver's seat. I just installed a vac gauge so that cable loosening is the next 5 minute mod.

Sweeeet!
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Old 10-11-2008, 11:14 PM   #5 (permalink)
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Still downshifting too easily



I loosened the cable 1/4 " but it still downshifts too easily. I only tried it at between 50 and 60 kmh though.

I'll loosen it all the way then see.

I'm betting it's a vacuum thing. Bleeder valve?

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