Radiator / Overheating Problem

[misterioman]

Thanks mga sirs sa inputs nio. At least may idea na ko ng pwede cause ng overheating

baka may kakilala kayong naghohome service na mekaniko. ayoko na sana ibyahe. Guadalupe, Makati Area

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[misterioman]

What was the last thing performed to the engine that might involve the cooling system?

Às per this diagram
toyota avanza thermostat - Google Search
The system should have been bled at two places if at any point the coolant was low or was drained and refilled

Last thing na ginawa ko for cooling system is nagchange ako ng motor ng fan ng radiator last year

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[mina_nuka]

Last thing na ginawa ko for cooling system is nagchange ako ng motor ng fan ng radiator last year

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Before doing anything or having anything done to it, top off with antifreeze/coolant and bleed the system

[andsmv]

Kung nagbabawas ng tubig/coolant at walang leak, I would replace the radiator cap.

[dr. d]

Kung nagbabawas ng tubig/coolant at walang leak, I would replace the radiator cap.

i have a nice collection of near-brand-new caps.
but everytime, the problem turned out to be "something else".
we live and learn.
heh heh.

[mina_nuka]

i have a nice collection of near-brand-new caps.
but everytime, the problem turned out to be "something else".
we live and learn.
heh heh.

Been guessing eh😁

[kisshmet]

Thanks mga sirs sa inputs nio. At least may idea na ko ng pwede cause ng overheating

baka may kakilala kayong naghohome service na mekaniko. ayoko na sana ibyahe. Guadalupe, Makati Area

Sent from my SM-J700F using Tsikot Forums mobile app

What is your reference level for the coolant fluid?

The coolant fluid container is marked F and L

If your reference is above F then its normal because F should be maximum level of the fluid. As in the proper level should be F and below for the coolant fluid, while F and above should be air

Why that should be the case? Build up in heat result in greater pressure which push that fluid level above the F mark. If you filled the the coolant container up to the brim, then that will be indeed the case, there will always be reduction in fluid level, as long as its not below L mark, then the coolant level should be ok

If you carefully inspect the coolant container, there is an overspill hole on top. That takes care of excess fluid upon pressure build up, it discharge excess coolant fluid due to pressure expansion

The best practice in filling up coolant is up to F mark level only

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[miked]

sa simpleng pressure test e masshoot siguro ang problema nyan.......

kahit yung bicycle pump, tire valve, silicone sealant at kung may extra ka na radiator cap or yung pinagpalitan mo na rad cap pupwede na. google nyo po kung pano gumawa ng simpleng aparato para sa pressure test.

[misterioman]

Update mga sirs

So, last night pinuno ko ng tubig yung expansion tank and radiator. pinaandar ko yung makina for 40mins with aircon. di naman tumaas temp. Sabi ko sa sarili ko pwede ng mabyahe to from Guadalupe to Banawe (Jorge Radiator).

nakarating ako sa banawe (8am), no aircon. baka itirik ako.

ang naging solution ni mekaniko, overhaul ng radiator.

Ok na sia mga sirs. d na sia nagooverheat kahit tirik and araw and may Aircon. salamat sa lahat! The best talaga sa Tsikot!

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[dr. d]

Been guessing eh😁

well, the radiator cap is the easiest and cheapest suspect to evaluate...