how often need to do radiator flush?
it has been around 4 years i see radiator cap always got rust.
is it ok to just put coolant into the spare tank? or mandatory to flush everything inside first?
Is radiator flush needed?
Is radiator flush needed?
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Jul 16 2019, 06:47 PM, updated 5y ago
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#1
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Junior Member
17 posts Joined: Jul 2019 |
how often need to do radiator flush?
it has been around 4 years i see radiator cap always got rust. is it ok to just put coolant into the spare tank? or mandatory to flush everything inside first? |
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Jul 16 2019, 07:15 PM
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#2
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5,144 posts Joined: Oct 2009 |
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Jul 16 2019, 09:02 PM
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#3
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Junior Member
664 posts Joined: Nov 2012 |
Suggest to flush the radiator to remove the rust deposit from the coolant
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Jul 16 2019, 09:32 PM
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#4
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576 posts Joined: Oct 2015 |
Flush it and use coolant that is suitable for your vehicle. Best if can use 50/50 premix coolant. If not, dilute with distilled water. However, if u are doing at outside workshop, they will 100% use tap water, yes some people say the anti-rust in coolant will negate that and our climate does not need 50/50. But personally, if u doing at outside, better just use 50/50 premix that can save you the hassel of rust and other problems.
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Jul 16 2019, 10:00 PM
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#5
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Senior Member
6,491 posts Joined: Jan 2003 From: Zion |
I do it about 1.5 years. Not necessary. But because my old car had cast iron block that is more susceptible to degradation unlike aluminium ones. So a bottle of toyota coolant will do the job of keep things in working order.
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Jul 16 2019, 10:20 PM
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#6
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1,704 posts Joined: Sep 2012 |
QUOTE(marana @ Jul 16 2019, 06:47 PM) how often need to do radiator flush? Ideally flush the radiator then change with new coolants every 50k km.it has been around 4 years i see radiator cap always got rust. is it ok to just put coolant into the spare tank? or mandatory to flush everything inside first? |
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Jul 17 2019, 06:27 AM
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#7
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Senior Member
3,690 posts Joined: Oct 2005 |
Since you radiator is starting to rust, it is better to perform flushing.
The cooling system should not rust if one always uses coolant. My car is coming to 10 years and there no sign of radiator rust as I've always use coolant only. For top up, I will use distilled or battery water (which are also distilled water btw). |
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Jul 17 2019, 05:47 PM
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#8
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All Stars
10,423 posts Joined: Jan 2003 |
While you are flushing, can also do radiator treatment.
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Jul 17 2019, 07:43 PM
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#9
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Senior Member
1,157 posts Joined: Feb 2008 From: Not Found |
Flush when the cooling system is negelected.
Espcially when rust & scale are formed. EDIT: Might want to service the radiator while at it. Since rust & scale might clogged it. Filled with coolant & de-ionized or distilled water at 50/50 ratio. Never filled with tap water. It will still rust even with coolant. Premix are headache free albeit they are more expensive. Expect longer life for the cooling system. While at it check the hose & the rest of the cooling system. This post has been edited by bo093: Jul 17 2019, 07:44 PM |
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Jul 19 2019, 01:46 PM
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612 posts Joined: Jan 2003 |
Since we on this topic, I just diy change coolant and noticed a very small coolant leak between the thermometer housing and the engine. This is the housing I removed to release the coolant from the engine.
Is there any grease or something I could put to prevent leakage between the two ? |
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Jul 19 2019, 02:36 PM
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4,225 posts Joined: Oct 2013 |
QUOTE(marana @ Jul 16 2019, 06:47 PM) how often need to do radiator flush? Sometimes flush radiator also not enough if all the hose aldy hardit has been around 4 years i see radiator cap always got rust. is it ok to just put coolant into the spare tank? or mandatory to flush everything inside first? Need replace all the hose too |
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Jul 19 2019, 02:38 PM
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Senior Member
4,225 posts Joined: Oct 2013 |
QUOTE(mp3 @ Jul 19 2019, 01:46 PM) Since we on this topic, I just diy change coolant and noticed a very small coolant leak between the thermometer housing and the engine. This is the housing I removed to release the coolant from the engine. U can search lot of sticky tape in shopeeIs there any grease or something I could put to prevent leakage between the two ? eg. Flex tape |
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Jul 19 2019, 04:28 PM
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All Stars
10,423 posts Joined: Jan 2003 |
QUOTE(mp3 @ Jul 19 2019, 01:46 PM) Since we on this topic, I just diy change coolant and noticed a very small coolant leak between the thermometer housing and the engine. This is the housing I removed to release the coolant from the engine. You mean the hose is leaking? If the hose is still in good condition then you can use silicone sealant. Else just change to a new hose.Is there any grease or something I could put to prevent leakage between the two ? |
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Jul 19 2019, 06:06 PM
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612 posts Joined: Jan 2003 |
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Jul 19 2019, 06:40 PM
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1,157 posts Joined: Feb 2008 From: Not Found |
QUOTE(mp3 @ Jul 19 2019, 01:46 PM) Since we on this topic, I just diy change coolant and noticed a very small coolant leak between the thermometer housing and the engine. This is the housing I removed to release the coolant from the engine. If it a thermostat housing, most likely there is a gasket. Is there any grease or something I could put to prevent leakage between the two ? Replace the gasket. |
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