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[24_Valve]

recently drained & flushed the cooling system (2.5 V6 pre-facelift) and refilled with 50/50 mix. ran the car for 5 miles and topped up. Since then my temp gauge is rising to over 100 deg before high speed fan kicks in? used to kick in at 98 deg. wondering if there's an air lock, but have been told that the system is self bleeding? there was no crap in the rad when I flushed it & also ran through the whole system with clean water 3 times before doing refill. So I think matrix is fine too. I think fan switch is ECU controlled so can't figure how this has happened since coolant change. Any ideas very welcome, thanks steve. p.s. also taking much longer to drop temperature to 93 deg.

[Jimbob]

let it get to temp, with no lid on header tank, heaters on HI.

now while it warms up squeeze any hoses.

that should sort any air lock.

[24_Valve]

thanks jimbob, will do this first thing tomorrow and fingers crossed should rectify the problem... will post back when its sorted