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Registered
Join Date: Apr 2019
Posts: 6
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99 Boxster "surges" shifting up
Hey guys- This recently started doing this. Tiptronic trans, the revs surge about 1000 rpm's when hitting upshift in manual mode. Not so bad if you shift at a low rpm, but if you rev it past 3000 over or so, it does this. Any thoughts on what to look at? Downshifts normal and runs fine otherwise.
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11-05-2019, 11:11 AM
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Administrator
Join Date: Aug 2016
Location: Los Angeles, CA
Posts: 6,087
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Hello - I've read about a few cases like this and the causes ranged from a vacuum leak fix to needing a new torque converter to replacing the whole transmission.
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11-05-2019, 03:55 PM
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Registered
Join Date: Apr 2019
Posts: 6
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Whoa!! Let's hope it's a vacuum leak! Car has 76k miles so I am hoping the trans is not broke. Where have you found info on this? I've done some searching and haven't found much of anything
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11-05-2019, 04:32 PM
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