08-16-2018, 01:26 PM
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#1
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2004 Boxster
Join Date: Aug 2018
Location: Atlanta, GA
Posts: 7
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Question on my new 2004 Boxster
I just bought a 2004 Boxster from my neighbor after having driven a number of Porches under the Porsche Passport program in Atlanta.
While underneath by 2.7L Boxster I noticed a slightly rusty gear exposed behind the engine that turns when the engine is running. Is this a normal thing? Here's a picture of it:
Thanks,
Steve
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08-16-2018, 01:27 PM
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#2
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,482
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Quote:
Originally Posted by SHLATL
I just bought a 2004 Boxster from my neighbor after having driven a number of Porches under the Porsche Passport program in Atlanta.
While underneath by 2.7L Boxster I noticed a slightly rusty gear exposed behind the engine that turns when the engine is running. Is this a normal thing? Here's a picture of it:
Thanks,
Steve
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Yes, it is the iron outer ring on the flywheel that the starter engages.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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08-16-2018, 01:33 PM
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#3
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2004 Boxster
Join Date: Aug 2018
Location: Atlanta, GA
Posts: 7
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Thanks
Thanks,
I thought it might be a major problem.
Here's a picture of it:
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08-16-2018, 01:49 PM
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#4
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Registered User
Join Date: Mar 2013
Location: New York
Posts: 347
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Nice. What color is it?
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08-16-2018, 02:00 PM
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#5
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2004 Boxster
Join Date: Aug 2018
Location: Atlanta, GA
Posts: 7
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Seal Gray Metallic
By the way, would it help or be advisable to lubricate the rusty flywheel?
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08-16-2018, 02:09 PM
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#6
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2004 Boxster
Join Date: Aug 2018
Location: Atlanta, GA
Posts: 7
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I have another question.
When I coast down a slight hill with very minor bump in the road about 15-25 mph, I hear rattles coming from the rear. don't hear it at any other times.
What could it be?
Thanks,
Steve
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08-16-2018, 02:47 PM
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#7
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,482
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Quote:
Originally Posted by SHLATL
I have another question.
When I coast down a slight hill with very minor bump in the road about 15-25 mph, I hear rattles coming from the rear. don't hear it at any other times.
What could it be?
Thanks,
Steve
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Check your exhaust heat shields, they tend to come loose and rattle over time.
__________________
“Anything really new is invented only in one’s youth. Later, one becomes more experienced, more famous – and more stupid.” - Albert Einstein
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08-16-2018, 03:27 PM
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#8
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Who's askin'?
Join Date: Mar 2018
Location: Utah
Posts: 2,446
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Quote:
Originally Posted by SHLATL
Seal Gray Metallic
By the way, would it help or be advisable to lubricate the rusty flywheel?
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no, and no.
What you see there is very normal oxidization of any cast-iron part, like brake rotors, flywheels, etc. It's not advisable to add any sort of lubrication there, for two reasons:
1. Anything you add will eventually find its way into the CLUTCH. Any petroleum product, (or sometimes even hand-oils!) on the clutch-disc material will cause hot-spots and eventually burn through your clutch. DON'T LUBE IT!
2. Any lube you put on that will immediately be transferred to the small gear on the starter motor. that gear is on a shaft, where it spins and is forced-out to engage the ring-gear every time you start the motor. If you get lube on there, and then it attracts clutch-dust to it, then you get GLUE, which eventually slows (or stops) the gear as it is "thrown" out to the ring gear. and then you get to replace you starter motor. haha. DON'T LUBE IT!!
so, yeah, don't lube it. :-)
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08-16-2018, 07:26 PM
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#9
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Registered User
Join Date: Sep 2016
Location: Stow, MA
Posts: 918
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The rattle is most likely coming from your trailing arms.
__________________
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
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08-16-2018, 07:54 PM
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#10
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Registered User
Join Date: Jul 2017
Location: SoCal
Posts: 118
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Here is the flywheel and clutch disc.
About the rattle, check also your sway bar drop links.
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08-17-2018, 05:13 AM
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#11
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2004 Boxster
Join Date: Aug 2018
Location: Atlanta, GA
Posts: 7
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Thanks for the very good advice.
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08-17-2018, 11:29 AM
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#12
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2004 Boxster
Join Date: Aug 2018
Location: Atlanta, GA
Posts: 7
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Managed to replace the air filter today after figuring out how to fold up the glass back window in service mode. 1st time into the engine compartment. Took almost an hour.
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08-17-2018, 12:34 PM
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#13
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2003 S, Arctic Silver, M6
Join Date: Oct 2014
Location: Winnipeg, MB, Canada
Posts: 1,346
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Quote:
Originally Posted by SHLATL
Managed to replace the air filter today after figuring out how to fold up the glass back window in service mode. 1st time into the engine compartment. Took almost an hour.
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The top is actually opened a little too far. If you move it back towards closing a few inches, the clamshell will actually be more vertical and access to the engine compartment will be easier.
Just a friendly suggestion from someone who has been there and done that.
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