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What's this noise?
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11-30-2016, 02:08 PM
#
1
njbray
Registered User
Join Date: Sep 2014
Location: santa barbara, CA & Devon, UK
Posts: 316
What's this noise?
I get this noise (sounds like a vacuum cleaner) when starting from cold. It goes off after about 20 seconds. No smoke and no cel.
Any ideas?
https://www.youtube.com/watch?v=yCEh3611i_M
11-30-2016, 02:14 PM
#
2
BoxsterSteve
still plays with cars...
Join Date: May 2011
Location: Baden, ON, Canada
Posts: 1,087
Garage
BoxsterSteve's Garage
Udo
Your SAI pump is crapping out.
You can take these apart and lube the bearings. They dry out and make noise a while before they die.
__________________
Six speed 2000 Boxster S
Arctic Silver on Metropol Blue | LN Dual Row IMSR | Arctic Silver console, spoiler frame & bumperettes | Crios mod | Technobrace | RoboTop module & modified convertible top relay for one-touch roof operation
11-30-2016, 02:48 PM
#
3
Anker
Registered User
Join Date: Sep 2016
Location: Stow, MA
Posts: 918
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Anker's Garage
FunToy
Depends on how loud it is. Its normal to hear a faint whine.
Anker
__________________
2004 Boxster S Silver - FUNTOY
2002 Boxster Base Guardsy Red - FUNBOX
1987 Caterham Super 7 1700 Supersprint
2009 Mercedes Benz CLK 350 convertible
1941 Dodge Luxury Liner Coupe
11-30-2016, 03:00 PM
#
4
Boxtaboy
07 Carrera S Cab
Join Date: Nov 2005
Location: New Jersey
Posts: 2,273
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2001 Porsche Boxster
2007 Carrera S Cabriolet
Watching the video, it's abnormally loud. If he's in the U.K., is there even an SAI?
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Current: 07 Carrera S Cab in Midnight Blue
Previous: 01 Boxster in Arctic Silver, 86 944 in Guards Red
11-30-2016, 03:01 PM
#
5
particlewave
Custom User Title Here
Join Date: Mar 2012
Location: Ft. Leonard Wood
Posts: 6,163
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particlewave's Garage
F=ma
That's definitely bad/dry bushing on the secondary air pump. Easy fix and cheap if you take it apart and grease them before they burn up the motor.
11-30-2016, 03:14 PM
#
6
njbray
Registered User
Join Date: Sep 2014
Location: santa barbara, CA & Devon, UK
Posts: 316
Thanks for the quick replies.
I guess I have a project for tomorrow! It looks fairly easy to remove!
Are there any write-ups for this and what type of grease is required?
11-30-2016, 04:09 PM
#
7
BoxsterSteve
still plays with cars...
Join Date: May 2011
Location: Baden, ON, Canada
Posts: 1,087
Garage
BoxsterSteve's Garage
Udo
Many VAG products use the same SAI pump. Here's a DIY I found where an Audi owner gutted his and nursed it back to life.
WRITEUP: 2.7T Secondary Air Injection SAI Pump rebuild - AudiWorld Forums
Or check with Woody... he may be able to fix you up with a decent used one.
__________________
Six speed 2000 Boxster S
Arctic Silver on Metropol Blue | LN Dual Row IMSR | Arctic Silver console, spoiler frame & bumperettes | Crios mod | Technobrace | RoboTop module & modified convertible top relay for one-touch roof operation
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