11-08-2020, 10:18 AM
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#1
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Registered User
Join Date: Nov 2005
Location: Downingtown PA
Posts: 8
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whine/whistle 2000 Boxster
My 2000 Boxster (non-S) 5-speed suddenly started making a whine or whistle. It seems to be dominant from the drivers side of the vehicle but I'm not 100% certain of that. My drive was with drivers side window down and every time a car passed in the other direction the noise significantly increased. It goes away with light throttle. With foot off the throttle that is when it is most noticeable. It is a constant pitch regardless of engine speed. Maybe, and I emphasize maybe, I have had a quick flash of one of the dashboard warning lights, perhaps brake fluid or ABS, but just a fraction of a second and I was unable to identity positively which light flashed.
Thoughts?
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11-08-2020, 12:26 PM
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#2
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Registered User
Join Date: Jun 2014
Location: Oregon
Posts: 455
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With colder weather, I get a temporary whining noise from the engine on start-up. But it goes away within a few minutes.
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'04 Midnight Blue Metallic 986
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11-08-2020, 03:17 PM
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#3
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Will there be cake?
Join Date: Mar 2017
Location: East Coast
Posts: 623
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whine/whistle 2000 Boxster
I had a whistle on my 2000 when I first bought it, it was a loose spark plug!
I thought the belt was slipping.
Sent from my iPhone using Tapatalk
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11-09-2020, 02:47 AM
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#4
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Registered User
Join Date: Nov 2005
Location: Downingtown PA
Posts: 8
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The cold start whine you are hearing is most likely your secondary air injection system, which only runs briefly on cold starts.
Use of the word "whine" on my part is probably misleading. Whistle is the better term and it is pronounced and started well after reaching normal temperatures.
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11-09-2020, 02:54 AM
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#5
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Registered User
Join Date: Nov 2005
Location: Downingtown PA
Posts: 8
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Quote:
Originally Posted by Finnegan
With colder weather, I get a temporary whining noise from the engine on start-up. But it goes away within a few minutes.
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The cold start whine you are hearing is most likely your secondary air injection system, which only runs briefly on cold starts.
Use of the word "whine" for my issue is probably misleading. Whistle is the better term and it is pronounced and started well after reaching normal temperatures. And as I mentioned, just about any amount of throttle causes the noise to go away.
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11-09-2020, 02:08 PM
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#6
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Registered User
Join Date: Jun 2014
Location: Oregon
Posts: 455
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Quote:
Originally Posted by John from PA
The cold start whine you are hearing is most likely your secondary air injection system, which only runs briefly on cold starts.
Use of the word "whine" for my issue is probably misleading. Whistle is the better term and it is pronounced and started well after reaching normal temperatures. And as I mentioned, just about any amount of throttle causes the noise to go away.
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Thanks for the information!
__________________
'04 Midnight Blue Metallic 986
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01-19-2021, 09:27 AM
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#7
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Registered User
Join Date: Nov 2005
Location: Downingtown PA
Posts: 8
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whine/whistle 2000 Boxster
An FYI, it turned out that the air/oil separator needed to be replaced. The key thing to look for was that when the whistle is occurring, you are unable to remove the oil fill cap.
Total price at an independent was slightly over $500.
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04-23-2023, 10:55 AM
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#8
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Registered User
Join Date: Dec 2021
Location: Florida
Posts: 3
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John from PA,
How did you fix the whinning noise?
What was the problem?
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04-25-2023, 02:59 PM
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#9
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98 Arctic silver 986
Join Date: Jul 2011
Location: Upstate, NY
Posts: 1,441
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See above.......
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04-26-2023, 04:41 AM
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#10
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1998 Boxster Silver/Red
Join Date: Sep 2017
Location: 92262
Posts: 2,920
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Quote:
Originally Posted by 18wheelerbob
John from PA,
How did you fix the whinning noise?
What was the problem?
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__________________
1998 Porsche Boxster
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04-26-2023, 06:14 AM
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#11
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1998 Boxster Owner
Join Date: Mar 2015
Location: Alviso, CA
Posts: 231
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Quote:
Originally Posted by Finnegan
With colder weather, I get a temporary whining noise from the engine on start-up. But it goes away within a few minutes.
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Check your power steering fluid. When the fluid is low the car will make a whinning noise when the car is cold.
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04-26-2023, 01:06 PM
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#12
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Registered User
Join Date: Jul 2022
Location: Tucson, Arizona
Posts: 78
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Quote:
Originally Posted by John from PA
An FYI, it turned out that the air/oil separator needed to be replaced. The key thing to look for was that when the whistle is occurring, you are unable to remove the oil fill cap.
Total price at an independent was slightly over $500.
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Wow! Car repair costs are going through the roof! I recently replaced my AOS and it was a real PIA. I could see $500 for the part and R&R.
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