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Steve Tinker · 08-20-2014, 05:36 PM

I guess the question is why your temperatures are so high.
The only time my low speed fans come on is if the A/C is switched on or in heavy traffic. I can't say I've ever heard the high speed fans kick in except in really heavy stop / go gridlocks, but I do know they work OK because I can switch them on with my Durametric....
No way should the running temps rise as high as you say causing the fans come on (low or high speed) travelling on the open road @ your specified 85mph if the cooling system is functioning correctly.

08-20-2014, 05:36 PM	#4
Steve Tinker Registered User Join Date: Dec 2008 Location: Queensland, Australia Posts: 1,522	I guess the question is why your temperatures are so high. The only time my low speed fans come on is if the A/C is switched on or in heavy traffic. I can't say I've ever heard the high speed fans kick in except in really heavy stop / go gridlocks, but I do know they work OK because I can switch them on with my Durametric.... No way should the running temps rise as high as you say causing the fans come on (low or high speed) travelling on the open road @ your specified 85mph if the cooling system is functioning correctly. __________________ 2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley. 2001 MV Agusta F4.