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Knocking Sound from Suspension when go over Speed Bumps

leangor

Macan 4
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First Name
Leang
Joined
Aug 21, 2025
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USA
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Macan 4 EV
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Sorry in advance for the long post, but I want to give enough context.

I brought my Porsche Macan 4 to the dealer for a knocking noise that happens consistently when I brake right before going over speed bumps.

At first, they said they couldn’t duplicate it. Later, I did a road test with another technician (the main tech wasn’t available), and during that drive the technician clearly heard and felt the knocking on every bump. He was surprised and said he would inform the main technician.

Almost two weeks later, the service advisor told me they road-tested the car again but could not duplicate the noise and had to close the repair order due to lack of evidence. I asked if I could come back and road test with the main technician, since the issue is very consistent and had already been acknowledged.

The advisor responded that they needed the loaner back, that they had already “invested a lot of time into the vehicle,” and that we would need to reschedule in about two weeks for another road test.

What bothers me is using “time invested” as a reason to close the repair order and take back the loaner when the issue hasn’t been resolved and was previously confirmed by a technician.

Has anyone dealt with something similar at a Porsche dealer, and how would you suggest handling or escalating this?
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