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Old 11-24-2017, 04:18 AM   #1
wrx001
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Member#: 473850
Join Date: Sep 2017
Chapter/Region: SCIC
Location: Socal
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2017 WRX
ISM

Default Wastegate Rattle WOT Problem

Anyone have any issues with their wastegate on their 2015+ WRX? This is my second FA (first 2016 WRX had a transmission problem) so I lemoned it and got into a 2017 WRX. The first 2k miles were perfect when all of the sudden I started hearing this weird rattle on WOT in the upper RPM range. Went to the dealership they diagnosed that the wastegate was either loose or something was missing. Maybe a bolt? (Don't have exact details). Got it fixed! Fast forward to 8k miles and now that I'm stage 2 (catless j pipe, ets intake, grimmspeed charge pipe, invidia n1 catback) I'm hesitant to go back to the dealer. Any thoughts?

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Old 11-25-2017, 01:48 AM   #2
tyrantcf
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Member#: 427791
Join Date: Aug 2015
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Location: CA
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2016 WRX
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Does it seem to effect performance? My car has had that kind of noise for quite a while but it honestly feels great. I've had cars in the past with some wastegate rattle and it was a non-issue.
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Old 11-25-2017, 04:49 AM   #3
wrx001
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Dont think so, Im still boosting at 20-22 psi. Its just I hate the sound. Doesnt sound 'normal'.
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Old 11-25-2017, 03:57 PM   #4
That_Boosted_Life
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Location: Buffalo,NY
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possibly a loose heat shield?
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Old 11-26-2017, 08:07 PM   #5
pr0file
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I believe I have the same issue... WOT + high boost=loud fluttering from right side of the car. I’ll be bringing the car in this week to see if they can fix this or let me know it’s ‘normal’
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Old 12-06-2017, 06:11 PM   #6
pr0file
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Just got my car back and the tech found the passenger side exhaust manifold gasket leaking, so they replaced the gasket as well as a stud/nut, so it wasn't the waste gate for my car. Hope you or your tech finds the issue!
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