09-10-2014, 08:23 PM
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#1
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Registered User
Join Date: May 2008
Location: San Jose
Posts: 60
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Spark Plugs at 28K Miles
OK so my 2008 Boxster S only has 28,000 miles. I don't ever have time to drive it. 
It's been on a battery trickle for the last 9 months. OF course I understand you have to change all the fluids, I can see it breaking down after not driving the car. But should I change the spark plugs???
The guy at the Porsche dealer in Fremont says I need to follow their 6 year major maintenance schedule and replace the spark plugs?
Should I wait to 100K or really do it at 28K miles?
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09-11-2014, 12:30 AM
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#2
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Registered User
Join Date: May 2011
Location: Little Rock,Ar
Posts: 357
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Same puzzle here.Bought my 2000 2 yrs ago with 60,000 miles and no spark plug change history available so I had my indy change them at 70,000 miles last week.
Plugs should not be affected by time as the hydraulic fluids etc IMO.
I have heard that the relatively short Porsche suggested interval is based on the fact that they could be difficult to remove without causing some stripping in the softer aluminum head if they remained in place a long time.
Modern ignitions are so clean and powerful that my plugs looked great when I examined them.
I only put about 5,000 a year on mine.I'm not afraid of the time element, so it will be very many years before my next change!
__________________
2000 Boxster S. Factory hardtop. 6 speed. Arctic Silver. Boxster Red leather. IMS/RMS.
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09-11-2014, 07:19 AM
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#3
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,797
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Per the maintenance schedule, spark plugs are changed at 60k
__________________
2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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09-11-2014, 09:21 AM
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#4
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Registered User
Join Date: Nov 2004
Location: New Jersey
Posts: 8,709
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m97 engine on trickle charger for 9 months...hmmm. You should make a habit of driving it at least on short trips more often. Things can dry out and you want to burn off that build up, for this you want to drive it long enough for the oil to come up to temp. I think that seems like a bigger issue than your spark plugs. To protect these engines you have to drive them at least once in a while.
spark plugs are cheap. Why not.
__________________
GT3 Recaro Seats - Boxster Red
GT3 Aero / Carrera 18" 5 spoke / Potenza RE-11
Fabspeed Headers & Noise Maker
BORN: March 2000 - FINLAND
IMS#1 REPLACED: April 2010 - NEW JERSEY -- LNE DUAL ROW
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09-11-2014, 01:25 PM
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#5
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Registered User
Join Date: Jan 2014
Location: Albuquerque, NM, USA
Posts: 741
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Quote:
Originally Posted by JayG
Per the maintenance schedule, spark plugs are changed at 60k
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Who knows what the number is for a 2008?
This is a 986 forum.
__________________
Kent Christensen
Albuquerque
2001 Boxster
2007 GL320 CDI, 2010 CL550
2 BMW motorcycles
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09-11-2014, 05:43 PM
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#6
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Registered User
Join Date: May 2008
Location: San Jose
Posts: 60
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Quote:
Originally Posted by Perfectlap
m97 engine on trickle charger for 9 months...hmmm. You should make a habit of driving it at least on short trips more often. Things can dry out and you want to burn off that build up, for this you want to drive it long enough for the oil to come up to temp. I think that seems like a bigger issue than your spark plugs. To protect these engines you have to drive them at least once in a while.
spark plugs are cheap. Why not.
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Not the labor. They wanted 1200 at the dealership.
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09-11-2014, 05:52 PM
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#7
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Porsche "Purist"
Join Date: Aug 2003
Location: Wisconsin
Posts: 2,123
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If you have ever changed plugs in another car and can find a torque wrench to use, you can change your own plugs.
__________________
1998 Boxster with 7.8 DME, 2005 3.6 liter/325 hp, Variocam Plus, 996 Instrument panel
2001 Boxster original owner. I installed used motor at 89k.
1987 924S. 2002 996TT. PST-2
Owned and repaired Porsches since 1974. Porsche: It's not driving, it's therapy.
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09-11-2014, 06:11 PM
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#8
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Registered User
Join Date: Apr 2011
Location: DFW
Posts: 713
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Quote:
Originally Posted by Perfectlap
spark plugs are cheap. Why not.
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Not the ones with the Porshe enblem on the box!  But yeah its more a of labor job. Its a doable diy but be prepared to contort! Did mine at 40k.
__________________
What we're dealing with here is a complete lack of respect for the law.
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09-11-2014, 07:05 PM
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#9
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,797
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Official Maintenance schedule
Maintenance Intervals - Porsche Service - Service & Accessories - Dr. Ing. h.c. F. Porsche AG
however the maintenance book is different from the schedule
Go figure!!
amazing what you can find by looking a bit
__________________
2004 Boxster S 6 speed - DRL relay hack, Polaris AutoTop DIY
2004 996 Targa Tip
Instructor - San Diego region
2014 Porsche Performance Driving School
2020 BMW X3, 2013 Ram 1500, 2016 Cmax, 2004 F-150 "Big Red"
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09-11-2014, 09:04 PM
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#10
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Registered User
Join Date: Nov 2009
Location: Winnipeg MB
Posts: 2,485
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Oooo, let's have the anti-seize paste and its effect on torque values debate again, just to help pass the day....
__________________
'99 black 986
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09-11-2014, 11:59 PM
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#11
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Registered User
Join Date: Dec 2008
Location: Queensland, Australia
Posts: 1,522
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Quote:
Originally Posted by Mark_T
Oooo, let's have the anti-seize paste and its effect on torque values debate again, just to help pass the day.... |
You took the words right out of my typing finger(s).... 
To lube, or not to lube, I'm sure the OP will wonder at all this ribaldry!!
__________________
2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley.
2001 MV Agusta F4.
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09-14-2014, 07:08 PM
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#12
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Registered User
Join Date: May 2008
Location: San Jose
Posts: 60
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Quote:
Originally Posted by Steve Tinker
You took the words right out of my typing finger(s)....
To lube, or not to lube, I'm sure the OP will wonder at all this ribaldry!! |
I ended up just paying for the spark plug change. The service adviser scared me off and told me the difference in metals could make it hard to remove the spark plug later after 6 years...
I spent the next 2 hours test driving a new Boxster with the PDK transmission. I have to say I love the transmission though.
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09-14-2014, 07:23 PM
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#13
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Registered User
Join Date: Nov 2004
Location: New Jersey
Posts: 8,709
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Quote:
Originally Posted by hqduong
Not the labor. They wanted 1200 at the dealership.
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Some people have too much money.
They should give me some. I do a great $600 car wash.
__________________
GT3 Recaro Seats - Boxster Red
GT3 Aero / Carrera 18" 5 spoke / Potenza RE-11
Fabspeed Headers & Noise Maker
BORN: March 2000 - FINLAND
IMS#1 REPLACED: April 2010 - NEW JERSEY -- LNE DUAL ROW
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