temp gauge-please help

m.yousuf · 26th January 2012, 22:21

hi i have bought a 2008 civic type s, my temperature gauge goes up 3/4 of the way up and comes down again back to normal, any ideas? it happened three times mostly when the car was cold.

i started the car and the heater was unusually cold, my partner was driving the car 2hours before hand so i thought the heater will be a little warm, it wasnt!!! then i started to drive it and the temperature gauge went just above 3/4 of the way up and then came back down to normal, when it came back down the car heater was warm. please help

m.yousuf · 26th January 2012, 22:25

there are no other problems so far, i just put in a new radiator thinking that was the cause. when the gauge comes back down to normal, it usually stays there and seems as if there are no problems. do civic temp gauge go up when cold to warm the car? is it something serious? im really worried please your help will be much appreciated. thanks

MC Hammer · 28th January 2012, 12:29

Sounds like you've got air in the system.
When parked it settles (resulting in a cold heater), after running the coolant is pumped around (so the heater works) but leaves the air in the engine causing overheat (temp gauge rising too high), it then moves somewhere else or gets enough cooling to keep the gauge at normal after the thermostat opens. Add more coolant asap or you could end up with a large engine repair bill.

26th January 2012, 22:21	#1 (permalink)
m.yousuf Car: 2008 TYPE S GT Auto Join Date: 11th January 2012 Location: london Posts: 13 Thanks given: 3 Thanked 0 Times in 0 Posts iTrader: (0)	temp gauge-please help hi i have bought a 2008 civic type s, my temperature gauge goes up 3/4 of the way up and comes down again back to normal, any ideas? it happened three times mostly when the car was cold. i started the car and the heater was unusually cold, my partner was driving the car 2hours before hand so i thought the heater will be a little warm, it wasnt!!! then i started to drive it and the temperature gauge went just above 3/4 of the way up and then came back down to normal, when it came back down the car heater was warm. please help

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26th January 2012, 22:25	#2 (permalink)
m.yousuf Thread starter Car: 2008 TYPE S GT Auto Join Date: 11th January 2012 Location: london Posts: 13 Thanks given: 3 Thanked 0 Times in 0 Posts iTrader: (0)	there are no other problems so far, i just put in a new radiator thinking that was the cause. when the gauge comes back down to normal, it usually stays there and seems as if there are no problems. do civic temp gauge go up when cold to warm the car? is it something serious? im really worried please your help will be much appreciated. thanks

28th January 2012, 12:29	#3 (permalink)
MC Hammer Kids use a lot of space Join Date: 16th June 2006 Location: UK Posts: 798 Thanks given: 2 Thanked 9 Times in 9 Posts iTrader: (0)	Sounds like you've got air in the system. When parked it settles (resulting in a cold heater), after running the coolant is pumped around (so the heater works) but leaves the air in the engine causing overheat (temp gauge rising too high), it then moves somewhere else or gets enough cooling to keep the gauge at normal after the thermostat opens. Add more coolant asap or you could end up with a large engine repair bill.