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Orange stuff in the radiator
Okay, so I have this 4Runner 1995, v6. I have replaced the water pump, radiator, engine gasket, and I still have those orange stuff (like slush if I leave it too long and not changing the antifreeze often) in the radiator. If this keeps going on, the engine gets very hot and the gasket gets burn again. I need to troubleshoot where these orange/yellow stuff is coming from and what causes it to occur. I know for a fact that it's not rusts. The radiator was replaced less than two years. Any suggestion is much appreciated.
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I don't know what that would be besides rust, there's not much else that orange sludgy stuff could be. Give your entire cooling system (not just the radiator) a good flush and cleaning, and then use nothing but Toyota red coolant.
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I did try to flush and clean it up before putting new coolant in. It's been less than 4 months and it's already yellow/orange again. I don't think the brand new radiator would rust that easily. It's only been two years at most.
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Your engine block may be rusting inside the cooling jacket and if that's happening then you will always get rust because the only way to clean that is a acid dip.
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edit, the link: http://www.yotatech.com/f116/what-ev...k-3vze-187741/ |
A bad radiator cap can cause this ,air getting in your system.
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Okay, here's what it looks like.
http://i336.photobucket.com/albums/n...6.jpg~original |
$10 says that's rust.
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That's solid rust man I think it's time to acid wash and replace the bypass tube and the lower coolant hose tube to be safe.
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I believe there are flush kits out there that allow you to hook up a hose to your system. Maybe you could try taking out the thermostat, use the hose to do a constant flush and drain out of one of the drains on the block. This is with the engine off, of course.
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Agreed. rust. Acid wash and replace the water pump n 2 hoses just for good measure if it's that bad.
Cynthia |
The main question is, where are these "rusts" coming from then? Even if I replaced a new radiator or water pump, it will get like this in about 3 - 6 months. I need to find the source and fix that instead of the symptoms.
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once again ill say it as i stated above!!! the rust is probably coming from the block itself and the only way to fix it is a acid dip.
youll need to replace all your hoses and you water pump and for good measure replace the heater core and the bypass tubes. |
Check your reservoir/overflow tank. I had the same issue,I flushed it like 3 times and nothing changed. I finally removed the reservoir tank and it had almost 2 inches off crud in the bottom. Cleaned it out and did one more good long flush, my coolant looked way better after that.
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