04-01-2017, 01:21 PM
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#1
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Registered User
Join Date: Feb 2008
Location: San Francisco
Posts: 178
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Should I worry about engine temp
On my 2000 2.7. Needle arrives at 180 but can rise a few degrees maybe 190-5 range.
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04-01-2017, 01:48 PM
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#2
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Registered User
Join Date: Jun 2013
Location: Nanaimo, Vancouver Island, British Columbia, Canada
Posts: 904
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Quote:
Originally Posted by sfkjeld
On my 2000 2.7. Needle arrives at 180 but can rise a few degrees maybe 190-5 range.
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Try cleaning your radiators
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04-01-2017, 01:49 PM
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#3
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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Its normal to have the needle anywhere between the 180 mark and the center vertical position. If the needle passes the vertical position and gets towards the next mark (which could be 215 but its not labelled - between the 180 and 250), then start to look into the cause.
__________________
1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor
Last edited by thstone; 04-01-2017 at 01:56 PM.
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04-01-2017, 04:12 PM
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#4
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Registered User
Join Date: Feb 2008
Location: San Francisco
Posts: 178
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Yeah, it seems the highest it gets is the vertical. But these are cool 75deg days. I am just not used to a modern car with changing engine temps. Thanks
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04-01-2017, 08:59 PM
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#5
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Registered User
Join Date: Nov 2009
Location: PA
Posts: 170
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get one of those obd live readers. It'll give you an actual number than trying to guess based on the needle. In 50 degrees where it is nowadays, my temp stays between 188-195
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04-03-2017, 01:37 AM
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#6
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Registered User
Join Date: Feb 2008
Location: San Francisco
Posts: 178
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Took a longer drive yesterday and def saw the needle past vertical. Gonna pull off the bumper cover today and have a look see. Hopefully it is a mess. At what temp should I hear the fans kick in? Will they blow with the engine off?
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04-03-2017, 03:36 AM
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#7
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Project Addicted
Join Date: Aug 2015
Location: Eastern Shore, MD
Posts: 623
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The gauge isn't very accurate so the OBD thing or a laser therm will help you determine what's going on. Mine sits in that blue zone.
check coolant level and top off.
__________________
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Jon
1966 912, 1976 911
1986 944, 2000 Boxster
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04-03-2017, 07:00 AM
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#8
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Registered User
Join Date: Sep 2012
Location: S. New Jersey
Posts: 1,239
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+1 ODBII bluetooth app.
Fans come on with engine running around 215 F. On my Gauge that's just stating into the 0 of the 180 or right limit of the Blue zone.
Temps can swing 30-35 degrees from Hwy to stop and go.
So the Blue zone pictured seems to be pretty typical.
__________________
2002 S - old school third pedal
Seal Grey
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04-03-2017, 04:35 PM
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#9
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Registered User
Join Date: Sep 2008
Location: Florida
Posts: 2,497
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can also read engine temperature by accessing through the climate control display.
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04-03-2017, 05:08 PM
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#10
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,797
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Quote:
Originally Posted by dghii
can also read engine temperature by accessing through the climate control display.
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only on early cars
__________________
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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04-05-2017, 06:54 AM
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#11
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Registered User
Join Date: Feb 2008
Location: San Francisco
Posts: 178
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Testing fans and relays
saw on a YouTube that said the fans should kick in with the engine running and the AC on. Tried it and nada. On the same YouTube (which was excellent btw, posted by "Burner's Cars") he showed the location of the relays and how to jump them to test the circuit. Are the relays super cheap? Was thinking I'd just replace all 4 and see if the fans work.
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04-05-2017, 07:43 AM
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#12
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Registered User
Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,538
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Quote:
Originally Posted by sfkjeld
saw on a YouTube that said the fans should kick in with the engine running and the AC on. Tried it and nada. On the same YouTube (which was excellent btw, posted by "Burner's Cars") he showed the location of the relays and how to jump them to test the circuit. Are the relays super cheap? Was thinking I'd just replace all 4 and see if the fans work.
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Actually, if you had a Porsche diagnostic tool like the Durametric system, you can plug in and activate the fans to teat them.......
__________________
“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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04-05-2017, 09:50 AM
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#13
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Registered User
Join Date: Jul 2004
Location: Houston, Texas
Posts: 7,243
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That needle on your dash may be way off. Mine sure was after I swapped gauge faces 
Do take a Saturday morning and take your front bumper off and clean your radiators and make sure they both function properly... this helps a lot.
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04-05-2017, 05:23 PM
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#14
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Registered User
Join Date: Feb 2008
Location: San Francisco
Posts: 178
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Where to buy the fan relays for a 2000 base 986?
If cheap enough, might buy all 4.
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04-06-2017, 04:49 AM
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#15
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Registered User
Join Date: Jul 2004
Location: Houston, Texas
Posts: 7,243
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Quote:
Originally Posted by sfkjeld
If cheap enough, might buy all 4.
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I've never had the relays go out in the 13 years I've owned my Boxster, which has had numerous radiator cooling issues.
There's a temperature probe attached to the radiators that goes out though, and the primary fan motor went out once too.
My fuse kept blowing because of this.
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04-06-2017, 04:16 PM
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#16
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Registered User
Join Date: Feb 2008
Location: San Francisco
Posts: 178
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Yeah, I gave up on the relay idea. Too cheap and too easy as someone put it. I guess I could check the fuses. Man I am lazy.....
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04-07-2017, 09:35 PM
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#17
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Registered User
Join Date: Feb 2008
Location: San Francisco
Posts: 178
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Caught in traffic leaving San Francisco this afternoon. Needle running on the '0' of 180 on the gauge. Suddenly the fans kicked in. So the cooling system is better than I thought. Still, the weather is cool here. Remain concerned about the warmer weather this summer.
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04-07-2017, 09:52 PM
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#18
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Registered User
Join Date: Jan 2009
Location: Broomfield, Colorado
Posts: 35
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Are both fans running? Just turn on the AC and both fans will come on. If not, then either the fan or the resister ballast is bad. The relays are very stout on these cars so I don't think it is a relay. I just changed the resister ballast on the right side as I was noticing the temp higher than normal. When I got home I noticed the right fan not running when the AC was on. Crawled underneath and could see the ballast was corroded and part of the housing gone. A new one will run you about $120-140 depending on where you buy it.
__________________
1999 996-Carrera Arena Red Metallic-Current
1998 Boxster-Glacier White-Sold
1997 Boxster-Ocean Blue Metallic-Modified-Sold
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06-05-2017, 05:22 AM
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#19
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Registered User
Join Date: Oct 2014
Location: Peterborough Ontario Canada
Posts: 148
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With my 1999 base both radiator fans run fine when i flip on the air, and come one when my needle on temp gauge starts into the Zero- they seem to be at high speed at that point. But they do not seem to run before that. What temp on the gauge should the low speed fans come on? My gauge shows the front side of the 8 on the highway and just barely into the zero in traffic.
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1999 Boxster, Ocean Blue Metallic-grey top.
LN IMS dual row-, Ben's short shift kit
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Base Boxster
Name my car - no
2004 Porsche Boxster S
2004 Porsche 996 Targa
Boxster
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