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Tsikoteer
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January 16th, 2013 04:24 PM #11Dude use paragraphs. Nakakdokleng.
I don't think there's anything catastrophic. If you're running at highway speeds the ram air should be sufficient to keep your engine cool unless you're gunning it and your fans aren't working. You'd only overheat if there is no coolant flow or no coolant.
Or in very extreme cases your radiator core is fouled with mud. You haven't gone offroading with that I'm sure.
So first thing's first -you have a leak. Check all joints, fittings, hose connections, and caps. Leaks crawl, they don't just drip at the hole location.
The surge tank is exactly for overflowing coolant when temp builds up pressure causing coolant to overflow. This is a good sign, it means that this subsystem is working.
I'm thinking you have a leak and the resultant overheating ends up pushing coolant to the surge tank.
Your thermostat is likely still working. You seem to get from start to warm up normally.
Before all this happened what was the color of the remaining coolant?
Thing is you're already going to Ford, why not have them do the diagnostics?Last edited by EVO-V; January 16th, 2013 at 04:33 PM.
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Verified Tsikot Member
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January 16th, 2013 06:25 PM #12Thanks sir Evo sa inputs and pasensya na po for not using paragraphs. Newbie sa pagpost sa mga forums like this
Went ahead and removed the thermostat. Car temp went up after 5km, pulled over to check for spilling coolant. New Cap seemed to have solve the car's overspilling problem. No leaks din po.
Drove the Car po uli for few meters, pansin ko di bumababa temp gauge even when driving slowly. Had to stop and park the car cause nearing red na po yung gauge (medyo natakot). Pinalamig ko muna makina.
Naka-uwi din po, driving cautious and constantly looking at the temp gauge.. tumaas but didnt reach the redline. Medyo mas napapabilis pa ata overheating nung sasakyan nung tinanggal ko thermostat.
Tingin ko po baka ang radiator and may problema. Not able to cool the coolant and with the thermostat removed, maslumala coz masmabilis pagbalik ng mainit na coolant sa makina.. ???
Tingin nyo mga boss..
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January 16th, 2013 06:39 PM #13
Have your radiator cleaned or better yet replace it with a new one and put a new thermostat as well. Now since it overheated and the temp gauge was almost on the read-line only worsen your problem. Paayos mo na agad yan.
I'm not sure kung aluminum ang cylinder head ng 99 Expe, but if it is the have it checked for warping and have it pressure tested also palit ka na rin ng cylinder head gasket.
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Verified Tsikot Member
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January 18th, 2013 09:40 PM #14San sir ok magpapressure test and papalit head gasket? how much kaya cost? salamat
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January 18th, 2013 09:44 PM #15
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Verified Tsikot Member
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April 20th, 2013 10:11 AM #16Sir I am having overheating issues of my own so I cant say for sure.
Pero patignan mo na sa mekaniko baka sira na cylinder head gasket. Excess pressure from there will push water to the reserve tank. Try mo open radiator, pag bumubulwak yun tubig/boils heavily with bubbles baka may tama yun gasket. Papalitan mo na sir kesa lumala pa - kung yuhn yung problem
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Tsikoteer
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April 21st, 2013 12:21 PM #17The function of the reservoir is essentially that of a surge tank.
Any overpressure in the loop would cause coolant to flow out of the radiator and into the tank.
Once pressure normalizes, the coolant should be drawn back into the radiator/engine.
If it doesn't, it means that there is a sealing issue in your cooling system. Check all joints, radiator caps, sensor probes, drain plugs etc.
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