08-08-2013, 03:05 PM
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#1
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Registered User
Join Date: Nov 2004
Location: New Jersey
Posts: 8,709
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Coolant Cap Poll
Are you still on the original or did you get the new coolant cap?
If you have the old one, please post mileage and if you'd had funny coolant levels ever.
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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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08-08-2013, 03:16 PM
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#2
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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Replaced original at 120,000 miles because coolant level would very slowly go down and I had already replaced the water pump and thermostat. This fixed the coolant lowering problem.
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
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08-08-2013, 03:39 PM
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#3
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Registered User
Join Date: Aug 2007
Location: New Jersey
Posts: 691
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Quote:
Originally Posted by Perfectlap
Are you still on the original or did you get the new coolant cap?
If you have the old one, please post mileage and if you'd had funny coolant levels ever.
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Perfect - small cost to head off some known issues...mail order via suncoast...
So why not?
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SOLD - 2002 Boxster S - PSM, Litronics, De-ambered, Bird Bike Rack, Hardtop, RMS leak...
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08-08-2013, 03:53 PM
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#4
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Registered User
Join Date: Oct 2010
Location: Melbourne Australia
Posts: 68
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When I bought my 04 over 2 years ago, in the first few days I had a problem with loss of coolant (probably about a pint at a time). So I took it back to the dealer (who happens to be an independent Porsche service specialist) and they replaced the old coolant cap with a new '04 code' cap. Have had no problems at all since. The car had done 70,000 km at the time I bought it.
I had no knowledge of the cap issue at the time, but obviously the dealer did.
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08-08-2013, 04:00 PM
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#5
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Registered User
Join Date: Nov 2004
Location: New Jersey
Posts: 8,709
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Quote:
Originally Posted by fatmike
Perfect - small cost to head off some known issues...mail order via suncoast...
So why not?
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Just had it done. I was curious to see how much coolant the old cap was costing others. Last time I had the coolant flushed, big drop below the minimum hash mark right away. After Water pump was recently replaced, big drop again after the first long drive. They went over the system for leaks, found none. Replaced the cap.
__________________
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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08-08-2013, 04:04 PM
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#6
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Registered User
Join Date: May 2011
Location: Little Rock,Ar
Posts: 357
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At 63,000, replaced it from a Porsche dealer and no more probs.
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08-08-2013, 04:06 PM
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#7
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still plays with cars...
Join Date: May 2011
Location: Baden, ON, Canada
Posts: 1,088
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About to turn 85,000 km.
Still on the original coolant cap, water pump and green coolant, although that's all going to change when the car goes out for winter hibernation...
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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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08-08-2013, 04:17 PM
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#8
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Registered User
Join Date: Sep 2010
Location: Foster City CA
Posts: 1,099
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Replace the original cap just yesterday with the latest version.
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08-08-2013, 04:54 PM
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#9
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jakesbox
Join Date: Apr 2012
Location: Charlotte NC
Posts: 759
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can someone help me here? How would a coolant cap keep you from losing coolant? I see on here that coolant was low, etc but no leaks...where is it going and how would a cap fix it? Is it just disintegrating into thin air because the cap is bad?
Sorry for the dumb question but I am really curious. I ahve a 10 yr old car with 18000 miles on it and the original cap. but want to know what a new cap would do...
__________________
2003 996 Twin Turbo X50, PCCB, polar silver / 2004 996 Carerra Cabriolet, midnight blue, cinnamon leather, IMS Pro / 2003 Artic Silver Boxster - Short Throw Shift, IMS Upgrade, Carerra Light Wheels, De-Snorked with Evoms Cold Air Intake, GHL Exhaust (Sold) / 2002 Seal Grey Boxster - Fabspeed Exhaust, Black powder coated wheels, Porsche stripes (Sold) / 2 -1957 356 A Speedsters (signal red and seal grey) (Sold) / 1989 944 Turbo (m030 S options)
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08-09-2013, 04:35 AM
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#10
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Registered User
Join Date: May 2008
Location: Toronto
Posts: 2,656
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Replaced my 01 cap to a 03. I know the current one is 04 but no one can tell if there's any difference between 03 and 04. Reading on the other forum it's likely that Porsche changed supplier so they updated the part number. I haven't bothered to change it yet.
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08-09-2013, 06:11 AM
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#11
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recycledsixtie
Join Date: Nov 2011
Location: Edmonton Canada
Posts: 824
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I have just replaced the coolant cap at 41k miles. Never had a problem with coolant level in the last 11k miles I have owned it.
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08-09-2013, 06:34 AM
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#12
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Registered User
Join Date: Jan 2013
Location: Phoenix, AZ
Posts: 231
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Can you easily tell which cap you have, e.g. via part number?
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08-09-2013, 06:48 AM
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#13
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Registered User
Join Date: May 2008
Location: Toronto
Posts: 2,656
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Quote:
Originally Posted by runjmc2
Can you easily tell which cap you have, e.g. via part number?
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It's written on top of the cap.
Oh and you need to open the rear trunk, not the front trunk to get to it.
Last edited by ekam; 08-09-2013 at 06:52 AM.
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08-09-2013, 08:34 AM
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#14
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Registered User
Join Date: May 2010
Location: Austin, Texas
Posts: 183
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Perfectlap,
I just had the original coolant tank cap changed on my 1999 Boxster at 193,000 miles. I lost almost all my coolant when I picked up the car after a water pump thermostat replacement. After a pressure check the mechanic replaced the cap and all is well.
My original cap was black. The new cap is blue.
MNC-I
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08-09-2013, 08:59 AM
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#15
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Registered User
Join Date: Jan 2009
Location: kansas
Posts: 447
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Replaced mine a few years ago at around 39k on a '00S. I think I have the .03 version. Mine was misting around the edge too!
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08-09-2013, 09:31 AM
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#16
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Registered User
Join Date: Mar 2010
Location: Houston, TX
Posts: 188
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Here's a pic of the latest coolant cap. I replaced mine last month after I noticed a slight drop in coolant level.
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'01 S
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08-09-2013, 09:50 AM
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#17
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recycledsixtie
Join Date: Nov 2011
Location: Edmonton Canada
Posts: 824
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My coolant cap from my indy shop is blue and says Germany on it. However there are no numbers on it. It could be made in China for all I know!?
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08-21-2013, 10:03 AM
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#18
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Registered User
Join Date: Jan 2007
Location: BC
Posts: 1,349
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Quote:
Originally Posted by recycledsixtie
My coolant cap from my indy shop is blue and says Germany on it. However there are no numbers on it. It could be made in China for all I know!?
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I also got my -04 cap like this from a respected indy. The tag on the bag looks genuine, so hopefully it's ok. The missing part number could be an annoyance down the road...
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2001 Boxster, 5 spd, Seal Grey
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08-22-2013, 08:18 AM
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#19
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Registered User
Join Date: Nov 2004
Location: New Jersey
Posts: 8,709
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Quote:
Originally Posted by clickman
I also got my -04 cap like this from a respected indy. The tag on the bag looks genuine, so hopefully it's ok. The missing part number could be an annoyance down the road...
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I have the same. No part number on the cap. Weird. My indy strongly favors using OEM whenever possible. Maybe this is new VW takeover stuff...
suppliers are not being directed to follow part numbering protocol strictly. But that meshy thing on one and not the other seems weirder.
__________________
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
Last edited by Perfectlap; 08-22-2013 at 08:21 AM.
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08-22-2013, 08:29 AM
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#20
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jakesbox
Join Date: Apr 2012
Location: Charlotte NC
Posts: 759
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OK - so another dumb question. If you replace just the cap. Say I order one, it shows up, I take the old cap off, put the new one on (i just checked and mine ends in 01 so it must be an original), am I going to have a problem with air getting into the system by just changing the cap???
__________________
2003 996 Twin Turbo X50, PCCB, polar silver / 2004 996 Carerra Cabriolet, midnight blue, cinnamon leather, IMS Pro / 2003 Artic Silver Boxster - Short Throw Shift, IMS Upgrade, Carerra Light Wheels, De-Snorked with Evoms Cold Air Intake, GHL Exhaust (Sold) / 2002 Seal Grey Boxster - Fabspeed Exhaust, Black powder coated wheels, Porsche stripes (Sold) / 2 -1957 356 A Speedsters (signal red and seal grey) (Sold) / 1989 944 Turbo (m030 S options)
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