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 VIOS 2012 Overheat Issue

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TSAtsumori
post Mar 23 2021, 07:07 PM

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QUOTE(ihavenoidea @ Mar 23 2021, 06:21 PM)
So.. you have difficulty starting the car the in the morning?
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No problem
TSAtsumori
post Mar 23 2021, 07:19 PM

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QUOTE(pretty23 @ Mar 23 2021, 06:15 PM)
yo open your engine oil see what color now? brown or black ?
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i will check, but i just did the interval service at Toyota SC.


QUOTE(Thrust @ Mar 23 2021, 06:23 PM)
Head gasket gone.
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this is expensive

QUOTE(metalfire @ Mar 23 2021, 06:25 PM)
yup NCP 93 model got this problem, I've encountered before 3 years ago. Changed radiator fan and also some other things. Bill was a hefty one ~1k from Toyota SC but now all SC become dealer own dealer operate already so no more UMW quality. That was the final time entering Toyota SC, better get the service done outside and cheaper too.

There was a problem with a minor vibration when the fan kicks in, juddering for a short while then goes off. After that spare parts replacement no more already. It's a small issue but needs attention, consider cheap since it's only one time issue.

That dugong Vios god car, will be keeping since it's almost bulletproof and very less issue.

Additional. Do check the aircon fan compressor clutch...is also a known issue for replacement after so many years running. Get the one from Denso and you're good to go.
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yes, change fan motor and blade around 1k.
what spare parts you change?

yes, this car still feel buttery smooth, only this issue give me headache.

QUOTE(zero5177 @ Mar 23 2021, 06:26 PM)
Check if the coolant is oily?
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Not Oily

QUOTE(matrix88 @ Mar 23 2021, 06:29 PM)
I faced this before too
check engine oil, most probably become brown colour
observe reserve tank, got bubbles coming out from tube or not, suspected engine head warped, engine coolant leaking into engine or gas from inside engine leaking into rediator
for me, I overhall the engine and everything back to normal.
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will check
how much overhaul cost you?

This post has been edited by Atsumori: Mar 23 2021, 07:19 PM
Steponlego
post Mar 23 2021, 07:20 PM

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QUOTE(Atsumori @ Mar 23 2021, 07:06 PM)
pancuted, coolant overflow.
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need to differentiate if just normal coolant overflow because the coolant heated up. but if you say constant air bubbles coming from radiator, coolant pancuted, most probably head gasket gone already. last time i watch my mechanic work, they place a bottle with water on top of the radiator, air bubbles keep coming up.
TSAtsumori
post Mar 23 2021, 07:29 PM

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QUOTE(Steponlego @ Mar 23 2021, 07:20 PM)
need to differentiate if just normal coolant overflow because the coolant heated up. but if you say constant air bubbles coming from radiator, coolant pancuted, most probably head gasket gone already. last time i watch my mechanic work, they place a bottle with water on top of the radiator, air bubbles keep coming up.
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head gasket gone what to do and how much it will cost?
ktek
post Mar 23 2021, 07:30 PM

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pancut mean ur piston compress fuel explode high pressure gas come out the wrong hole. gasket leak
Steponlego
post Mar 23 2021, 07:42 PM

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QUOTE(Atsumori @ Mar 23 2021, 07:29 PM)
head gasket gone what to do and how much it will cost?
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depends. if only replace head gasket, probably few hundreds. the gasket itself is cheap, but takes a lot of work and time to get the head out.

if the head already warped due to the heat, then the cost will be more.
azbro
post Mar 23 2021, 07:52 PM

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Seriously, this was one of the major reasons i sold my Vios.

The overheat and water lost couldn't be detected. Even change hose and radiator.

netmatrix
post Mar 23 2021, 08:02 PM

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SC only said change fan, which is one thing.

But outside shop change 3 things.

I'm trying to find the reason why you wanna change 2 things.
anakMY
post Mar 23 2021, 08:07 PM

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QUOTE(azbro @ Mar 23 2021, 07:52 PM)
Seriously, this was one of the major reasons i sold my Vios.

The overheat and water lost couldn't be detected. Even change hose and radiator.
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my foreman told me before, if ur car has overheated before, depends on how severe it is, it might caused the engine block to become disfigured (senget), once it became senget thats all, no matter what u do, will hv water leak and evaporated.
Chrix
post Mar 23 2021, 08:15 PM

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sounds like the head... change it.
6942nole
post Mar 23 2021, 08:18 PM

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if fan is the issue, your temperature will drop when you are driving.
only obvious rising when you are idling.
potatobanana
post Mar 23 2021, 08:19 PM

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QUOTE(anakMY @ Mar 23 2021, 08:07 PM)
my foreman told me before, if ur car has overheated before, depends on how severe it is, it might caused the engine block to become disfigured (senget), once it became senget thats all, no matter what u do, will hv water leak and evaporated.
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+1

went throught this, however my case built up slowly in the time of many months

best to just overhaul it
anakMY
post Mar 23 2021, 08:25 PM

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QUOTE(potatobanana @ Mar 23 2021, 08:19 PM)
+1

went throught this, however my case built up slowly in the time of many months

best to just overhaul it
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if the engine block already disfigured, overhaul will not solve the problem lol. thats y u need to hv a good foreman, they can spot this issue which they know overhaul alone cant solve it.
budak_44
post Mar 23 2021, 08:45 PM

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dey ur car have thermostat or not..sometimes thermostat problem already..thermostat like gate for the water to flow inside ur engine..b4 change waterpump try remove the upper hose..see water flow out or not when ur engine running..
azbro
post Mar 23 2021, 08:48 PM

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QUOTE(anakMY @ Mar 23 2021, 08:07 PM)
my foreman told me before, if ur car has overheated before, depends on how severe it is, it might caused the engine block to become disfigured (senget), once it became senget thats all, no matter what u do, will hv water leak and evaporated.
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I guess he is right

I drive the car about 5 mins in overheat condition just to get to a workshop. That did the damage
metalfire
post Mar 23 2021, 08:53 PM

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QUOTE(Atsumori @ Mar 23 2021, 07:19 PM)
i will check, but i just did the interval service at Toyota SC.
this is expensive
yes, change fan motor and blade around 1k.
what spare parts you change?

yes, this car still feel buttery smooth, only this issue give me headache.
Not Oily
will check
how much overhaul cost you?
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sorry that time 3-4 years ago, forgot already what other spare parts got change.

Car issue sure everybody headache, not only you...well maybe those got plenty of money and many different cars to drive different level lar.

I haven't done overhaul yet but do check with a good mech outside. Don't need to do it at Toyota SC anymore since they charge arm and leg for it.
zero5177
post Mar 23 2021, 09:07 PM

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QUOTE(Atsumori @ Mar 23 2021, 07:19 PM)
i will check, but i just did the interval service at Toyota SC.
this is expensive
yes, change fan motor and blade around 1k.
what spare parts you change?

yes, this car still feel buttery smooth, only this issue give me headache.
Not Oily
will check
how much overhaul cost you?
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If not oily I think still not so serious.

Mostly like others said your engine head gasket most likely need replacement, more worrying is if the metal corroded caused leak, that one u need cari potong engine top sudah.

Damage how much? U need open up only know, if lucky few hundreds, if unlucky few thousands.

And check also if the radiator is bubling like they suggest, if bubling really means leaking already, worst thing you don't want it to happen is the water leak in to your combustion chamber or mixed with engine fluid, that's why I asked about if Radiator fluid is oily.
ah_suknat
post Mar 23 2021, 09:45 PM

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Change the whole radiator, get a double layer radiator, get a performance radiator fan. Remove thermostate.

You will never see your temperature gauge move higher than 20%
Momo33
post Mar 23 2021, 10:37 PM

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QUOTE(Atsumori @ Mar 23 2021, 06:31 PM)
Hai guys, i need help...

My VIOS 2012 got overheat issues, coolant from engine got push into spare tank.
Means engine got empty but spare tank full. the coolant do not rotate back to engine. i have to topup engine coolant manualy.

1. I went to OFFICIAL Toyota SC, they said the radiator fan got problem, so need to change motor and blade. No leaking, pressure test also OK.

2. Then i went to other NOT OFFICIAL Toyota SC, they said change waterpump, thermostat, clean radiator. Fan is OK, No Leaking. I also thing fan is OK since i test it myself.

So i did No. 2, Change waterpump, thermostat, clean radiator and new coolant. But after few days overheat issues happened again.

Now im ready to change the Radiator Fan.

anyone had the same experience and know the solution? please let me know...

from my googleling most suggest No. 2, that why i did that.
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i guess SC notice the fan motor is weak .
they should know as they have the experience dealing with some cases .
SUSjvcpcv55
post Mar 24 2021, 12:03 AM

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QUOTE(Atsumori @ Mar 23 2021, 05:31 PM)
Hai guys, i need help...

My VIOS 2012 got overheat issues, coolant from engine got push into spare tank.
Means engine got empty but spare tank full. the coolant do not rotate back to engine. i have to topup engine coolant manualy.

1. I went to OFFICIAL Toyota SC, they said the radiator fan got problem, so need to change motor and blade. No leaking, pressure test also OK.

2. Then i went to other NOT OFFICIAL Toyota SC, they said change waterpump, thermostat, clean radiator. Fan is OK, No Leaking. I also thing fan is OK since i test it myself.

So i did No. 2, Change waterpump, thermostat, clean radiator and new coolant. But after few days overheat issues happened again.

Now im ready to change the Radiator Fan.

anyone had the same experience and know the solution? please let me know...

from my googleling most suggest No. 2, that why i did that.
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you observe overheating is town driving 50km/h or highway driving at 110?

next is change fan,
else
Change Radiator...
cleaning will not help.
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