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 Change car coolant method, How do you do it?

Change car coolant methods
 
Top up coolant only. Never change - top up [ 13 ] ** [13.27%]
Open radiator drain plug and refill - drain and refill [ 14 ] ** [14.29%]
Open radiator drain plug, engine block coolant pug, drain and refill - flushing [ 25 ] ** [25.51%]
Everything workshop do - shake leg [ 36 ] ** [36.73%]
What coolant?? - dummies [ 10 ] ** [10.20%]
Total Votes: 98
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bengm2019
post Feb 15 2022, 11:27 AM

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Me is flush once a year.
harriss
post Feb 15 2022, 11:29 AM

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check thermostat oso , alang alang tu
harriss
post Feb 15 2022, 11:31 AM

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QUOTE(asrafzonan @ Feb 15 2022, 10:44 AM)
What my regular mechanic told me. Only change engine oil n filter.
Other kind of oil only need to top up if became less.
This is what he said when I ask him to change my steering n brake oil
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lol no , kasi flush la itu power steering fluid and brake fluid.
diffyhelman2
post Feb 15 2022, 11:31 AM

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Not all car engine got engine block coolant plug. Like small car engine perodua, no drain plug on engine block. Only way to drain completely is through remove thermostat.

This post has been edited by diffyhelman2: Feb 15 2022, 11:32 AM
Bossku_Johor
post Feb 15 2022, 11:34 AM

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QUOTE(asrafzonan @ Feb 15 2022, 10:44 AM)
What my regular mechanic told me. Only change engine oil n filter.
Other kind of oil only need to top up if became less.
This is what he said when I ask him to change my steering n brake oil
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Change your mechanic.!!!

If your oil is less, then it means there is a leakage somewhere. Your oil cannot just evaporate just like that!!
SUSMuchafaka
post Feb 15 2022, 11:35 AM

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I guna air mani ... Better stickiness
TSBalanced
post Feb 15 2022, 11:40 AM

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QUOTE(bengm2019 @ Feb 15 2022, 11:27 AM)
Me is flush once a year.
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Wah so rajin. Some cars like honda, they dont recommend flushing. Just drain radiator and top up.
fantasy1989
post Feb 15 2022, 11:43 AM

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QUOTE(Balanced @ Feb 15 2022, 11:40 AM)
Wah so rajin. Some cars like honda, they dont recommend flushing. Just drain radiator and top up.
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nanti gasket koyak?
MAGAMan-X
post Feb 15 2022, 11:47 AM

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Typically, you should not have to change the radiator coolant unless it changes color.
fantasy1989
post Feb 15 2022, 11:48 AM

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QUOTE(MAGAMan-X @ Feb 15 2022, 11:47 AM)
Typically, you should not have to change the radiator coolant unless it changes color.
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there is 1 simple tool that you can use to measure coolant "performance"

if out of specs then can consider change

user posted image

but malaysia dont care that much because we no winter

This post has been edited by fantasy1989: Feb 15 2022, 11:50 AM
TSBalanced
post Feb 15 2022, 11:56 AM

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QUOTE(MAGAMan-X @ Feb 15 2022, 11:47 AM)
Typically, you should not have to change the radiator coolant unless it changes color.
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QUOTE(fantasy1989 @ Feb 15 2022, 11:48 AM)
there is 1 simple tool that you can use to measure coolant "performance"

if out of specs then can consider change

user posted image

but malaysia dont care that much because we no winter
*
Follow je manufacturer recommendations. By the time tukar color i think too late already.
TSBalanced
post Feb 15 2022, 11:57 AM

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QUOTE(fantasy1989 @ Feb 15 2022, 11:43 AM)
nanti gasket koyak?
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I think they trying to minimize human error.
MAGAMan-X
post Feb 15 2022, 12:02 PM

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QUOTE(Balanced @ Feb 15 2022, 11:56 AM)
Follow je manufacturer recommendations. By the time tukar color i think too late already.
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What happens to the coolant when it's "too late"? Can explain?
bamkai
post Feb 15 2022, 12:03 PM

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just change my coolant at shop after 150k km lol but still ok no rust / corrosion sign .. right way i think need to flush and replace at least once a year .. mix 40:60 coolant : water
WaCKy-Angel
post Feb 15 2022, 12:06 PM

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If same then whats the point to add coolant lel ?
WaCKy-Angel
post Feb 15 2022, 12:07 PM

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QUOTE(Balanced @ Feb 15 2022, 11:08 AM)
Didn't.. but should be same temperature I think?

I just know if u didnt burp the coolant until all air come out, around 20-30 minutes usually, your temperature will be higher by 5 degree for my car.
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If same then whats the point to add coolant lel ?
diffyhelman2
post Feb 15 2022, 12:10 PM

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QUOTE(MAGAMan-X @ Feb 15 2022, 12:02 PM)
What happens to the coolant when it's "too late"? Can explain?
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older the coolant, the coolant becomes more acidic. too old the coolant, it will rust out your car internals, radiator, thermostat, coolant hoses.

QUOTE(fantasy1989 @ Feb 15 2022, 11:48 AM)
there is 1 simple tool that you can use to measure coolant "performance"

if out of specs then can consider change

user posted image

but malaysia dont care that much because we no winter
*
Unfortunately this one only measures the anti-freeze power of the coolant, it cant detect the pH value of the coolant, I suppose you could use those pH testing strips to see if the coolant is too acidic.

This post has been edited by diffyhelman2: Feb 15 2022, 12:12 PM
ken_hidaibuki
post Feb 15 2022, 12:17 PM

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QUOTE(Balanced @ Feb 15 2022, 10:11 AM)
How do you guys change your car coolant?

Btw fun fact for your car cooling system.

Any type of water only - Bad
Tap water / mineral water + coolant - can use but not recommended
Reverse osmosis water + coolant - can use but not recommended
Distilled water / soft water + coolant - Good
Factory premix coolant only - Best

[attachmentid=11092763]
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Err.. U sure not distilled water with premix coolant?
Ayambetul
post Feb 15 2022, 12:18 PM

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TS ade k20r

Wowow
MAGAMan-X
post Feb 15 2022, 12:19 PM

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QUOTE(diffyhelman2 @ Feb 15 2022, 12:10 PM)
older the coolant, the coolant becomes more acidic. too old the coolant, it will rust out your car internals, radiator, thermostat, coolant hoses.
Unfortunately this one only measures the anti-freeze power of the coolant, it cant detect the pH value of the coolant, I suppose you could use those pH testing strips to see if the coolant is too acidic.
*
https://www.team-bhp.com/news/types-coolant...des-and-colours

If your coolant is made with OAT, it doesn't turn acidic.

And the best way of knowing when to change the coolant, is indeed, the color change.
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