07-25-2017, 06:06 AM
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#1
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Registered User
Join Date: Aug 2013
Location: NORTHAMPTON
Posts: 63
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what is it?
Found a black 4" long about 0.5" diameter tube with wires attached hanging from N/S front of 986 right near the plastic trims that extend under the wheel arch liner. Does any one know what it is please? I noticed a rusty clip on it and it seems to have broken off. My idea was it could be a temp sensor for the radiator or? Ideas please...
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07-25-2017, 06:21 AM
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#2
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Registered User
Join Date: Oct 2014
Location: California Central Coast
Posts: 1,476
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Hmmmmm. IV drip or the capacitor for the radiator fan.......Run over anything lately? If not then capacitor.
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07-25-2017, 06:28 AM
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#3
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Registered User
Join Date: Jul 2013
Location: Bastrop, Tx
Posts: 2,643
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If it has green and white wires attached to it, it's the low speed fan resistor
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Woody
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07-25-2017, 06:31 AM
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#4
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On the slippery slope
Join Date: Mar 2014
Location: Austin and Palm Springs
Posts: 3,794
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A pic would help 
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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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07-25-2017, 06:31 AM
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#5
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Registered User
Join Date: Oct 2014
Location: California Central Coast
Posts: 1,476
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Quote:
Originally Posted by itsnotanova
If it has green and white wires attached to it, it's the low speed fan resistor
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OOPS you're right. Not enough coffee yet!  Resistor, Capacitor oh well.
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07-25-2017, 06:54 AM
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#6
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Registered User
Join Date: Aug 2013
Location: NORTHAMPTON
Posts: 63
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07-25-2017, 06:59 AM
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#7
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Registered User
Join Date: Aug 2013
Location: NORTHAMPTON
Posts: 63
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Thanks everyone you guessed it without a photo...Is that rusty metal behind it my actual car chassis or some cheap sub-frame cross member!!!
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07-25-2017, 10:03 AM
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#8
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Registered User
Join Date: Jul 2013
Location: Bastrop, Tx
Posts: 2,643
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Wow are your roads made of salt out there?!? I've never seen that bracket that rusty before. On another note, your resistor looks like it's about to go out if it hasn't already. They get dark like that as they age. "generally speaking"
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Woody
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07-25-2017, 10:12 AM
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#9
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Registered User
Join Date: Dec 2012
Location: Jefferson City, MO
Posts: 88
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I think he lives in England. Everything rusts in England.
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2003 Boxster S
1991 BMW 318is
'93 Ducati 900SS
'76 BMW R75/6
'73 Honda Scrambler
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07-25-2017, 12:47 PM
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#10
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Registered User
Join Date: Aug 2013
Location: NORTHAMPTON
Posts: 63
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Yes I am in the UK...So that rusty metal is just a bracket? So glad it isn't the bodywork.
And maybe the 'low speed fan resistor' is on the way out? What may happen if it goes then - do the fans on the radiator stop are there fans on them? 
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07-25-2017, 02:03 PM
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#11
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Registered User
Join Date: Jan 2014
Location: Albuquerque, NM, USA
Posts: 730
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Quote:
Originally Posted by Kurt V
I think he lives in England. Everything rusts in England.
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Yes ... check out a Land Rover magazine or forum.
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Kent Christensen
Albuquerque
2001 Boxster
2007 GL320 CDI, 2010 CL550
2 BMW motorcycles
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07-25-2017, 02:05 PM
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#12
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Registered User
Join Date: Jul 2013
Location: Bastrop, Tx
Posts: 2,643
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Your fans won't work at low speed. Only high.
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Woody
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07-26-2017, 12:18 PM
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#13
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Registered User
Join Date: Aug 2013
Location: NORTHAMPTON
Posts: 63
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Thanks Woody - does that mean there are two fans at the rear of the radiators? I know there is one for the engine bay
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07-26-2017, 12:59 PM
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#14
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Registered User
Join Date: Aug 2013
Location: NORTHAMPTON
Posts: 63
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No need to answer last question Woody just seen photos on Pelican Parts showing fan and resistor in place so now know where it fits on 
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07-26-2017, 01:11 PM
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#15
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Registered User
Join Date: Aug 2013
Location: NORTHAMPTON
Posts: 63
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Also found the radiator support part that is badly corroded $300 for two
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07-26-2017, 01:37 PM
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#16
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Registered User
Join Date: Jul 2013
Location: Bastrop, Tx
Posts: 2,643
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Quote:
Originally Posted by DaveBBOXSTER
Also found the radiator support part that is badly corroded $300 for two
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Please don't spend $300 on the radiator brackets. I sell them for $10 each. Guessing shipping to the UK would be $50-75
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Woody
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07-26-2017, 08:31 PM
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#17
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Certified Boxster Addict
Join Date: Nov 2010
Location: Los Angeles
Posts: 7,669
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Quote:
Originally Posted by DaveBBOXSTER
Thanks Woody - does that mean there are two fans at the rear of the radiators? I know there is one for the engine bay
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There is only one fan for each radiator. The resistor simply reduces the amount of current reaching the fan motor to create the "low speed", thus when the resistor fails, full current is continuously sent to the radiator fan and it always operates at high speed only. If one of the radiator fan resistors fails, the other side is typically not far behind.
The engine compartment fan is completely different.
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
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Last edited by thstone; 07-26-2017 at 08:35 PM.
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