986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post

Steve Tinker · 03-19-2017, 04:04 PM

PC,
Its OK to run the car for a couple of days with the bleed valve in the open (vertical) position or for at least 2 heat up / cool down cycles to rid the system of any small pockets of air.

One thing of note is that your drive "around the block" is 5km, which is barely long enough for the thermostat to be fully open and all the +/- 20 litres of coolant to circulate and be up to temperature. I've found that if you want ALL the coolant to be at operational temps, it takes possibly double that 5km distance.

03-19-2017, 04:04 PM	#16
Steve Tinker Registered User Join Date: Dec 2008 Location: Queensland, Australia Posts: 1,522	PC, Its OK to run the car for a couple of days with the bleed valve in the open (vertical) position or for at least 2 heat up / cool down cycles to rid the system of any small pockets of air. One thing of note is that your drive "around the block" is 5km, which is barely long enough for the thermostat to be fully open and all the +/- 20 litres of coolant to circulate and be up to temperature. I've found that if you want ALL the coolant to be at operational temps, it takes possibly double that 5km distance. __________________ 2001 Boxster S (triple black). Sleeping easier with LN Engineering/Flat 6 IMS upgrade, low temp thermostat & underspeed pulley. 2001 MV Agusta F4.