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2010 Grand Vitara 2.4 - 4x4
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Discussion Starter · #1 ·
Hi guys! so i have a 2.4 GV, and sometimes the engine starts to heat up more than the usual, BUT the needle doenst touch the red part of the indicator, so i asume it's not that bad. By the way, the coolant level it's ok, and this only happen after driving a long time and the car it's not driving, like on a red light, but as soon as i move the car the needle goes to the normal level.
What can it be?
Thanks for the help!
 

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99 Tracker, 5 door, 2L, 4x4
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12,500 Posts
That gauge is registering normal, if you have concerns use an IR gun and test several parts of the engine and radiator..

If it only raises when still and lowers when moving, investigate the cooling fans..
 

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Thats way higher than my gauge sits, even when my over temp on my obd2 hud goes off at 108C , the needle is just passing thru the bottom of the thermometer mark
I know all gauges are different but both my 2.4s sit about the same spot.

As Philip says, Check your fans are working, should come on at about 92 to 95 C water temp
 

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My gauge is sitting in the centre of the white area. If my gauge was in the position shown in your photo I would have it off the road immediately. There is something wrong with it. Now the fact that it doesn't move into the red or water level changes then something is not working as it should as opposed to an absolute failure somewhere. You don't say what your normal position is (although I hope it isn't as in the photo). It looks to me as if something is only partly working like maybe the radiator cap is only opening partly or very sluggishly rather than being jammed solid. If it was my car I would do the following first (because it is easy and cheap) - new radiator cap, flush the entire engine, check for soft or spongy radiator hoses, check the fans come on when they should, check the radiator overflow tube is unobstructed. Examine the coolant to make sure it is good (not milky or frothy or with lumps in it). My experience with other vehicles says that when your temp gauge moves at all (other than very slight movements that you can pin down to coincide with say, climbing a steep hill, then something is majorly wrong and not far from an expensive repair.
 
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