Jump to content
SAU Community

Recommended Posts

what does it take to flush a radiator properly

do they need it out of the car

can it be done at home, but not the type where the fluid just gets dumped like they presurise it or something i dont know

and wheres the best place to do it, i live in vermont melb

natrad do it but just wondering if its better and cheaper anywhere else

Link to comment
https://www.sau.com.au/forums/topic/73978-radiator-flush/
Share on other sites

To answer your questions:

* It involves sticking the radiator in a water tank and having an air hose stuck in the bottom outlet. Air is then pumped through (in the reverse direction) at high pressure.

* Yup, unless you would prefer to submerge the car :stupid:

* Removing the radiator is very easy: probably a 5 minute job for someone who has done it before. Putting it back and replenishing the coolant is far more time consuming (but very easy to do) because you have to cycle the car, then wait for it to cool.

* No idea on the "best" place: its bread and butter type stuff for radiator shops, so just ring around for a good price.

My write up is here:

http://www.skylinesaustralia.com/forums/sh...ead.php?t=67730

Lucien.

Link to comment
https://www.sau.com.au/forums/topic/73978-radiator-flush/#findComment-1362785
Share on other sites

Lucien

An extremely good write up!

Not a criticism, but a question of effort vs benefit: given that you didn't "power flush" the block (i.e just drain it), why go through all the hassle of removing the engine drain plug? Since distilled water is very cheap (or often free if you know someone in an industry that uses copious quantities of it such as a laboratory or manufacturing plant etc), I would think that multiple flushing with distilled water and draining (from the already flushed radiator) would essentially do the same thing. This is particularly so if you know what the engine block cooling water capacity is and just deduct this proportion from the dilution water that you would otherwise finally add to the system.

As I said - not meant to knock a very informative and useful DYI thread, but just an idea to save a lot of extra hassles.

Cheers

Gav

Link to comment
https://www.sau.com.au/forums/topic/73978-radiator-flush/#findComment-1362942
Share on other sites

Gav,

I was not aware that there was a block "power flush": how exactly does that work? Most times I have seen power flushed referred to in regards to radiators and the cooling system it has meant the end caps being taken off the radiator, and some sort of cleaning device inserted into the radiator.

As for why I drained from the block plug rather than cycling water: well, I had never tried to drop the coolant from the block before so I didn't know how hard it would be :P Having done it once, I think I could probably do it much faster a second time.

Lucien.

Link to comment
https://www.sau.com.au/forums/topic/73978-radiator-flush/#findComment-1363430
Share on other sites

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now


  • Similar Content

  • Latest Posts

    • Drilled the rubber out on a slow speed and it didn't catch much at all. Probably only half a dozen holes was enough to shred the rubber and it dropped off easily leaving the inner sleeve behind. Will tackle that later
    • I havent bought a manual cover for the dash yet and no cluster change, won't bother me too much, I just need to get that auto box gone, manual in! I miss my manual. 🤪. We started last weekend and managed to get the box out. Planning to start putting it in this weekend and then order a single piece tail. We were super careful to take time and not damage anything. It's my first time working under the car.  With my S15 mainly worked in the bay. This time, it was a headache because of three or four bolts only. They simply didnt want to leave thei homr and the one securing the tailshaft, another above the GB, and the one securing the lipstick was a shit. Mates mate, Davo caught fire 🤣, nearly opened his chest up with a grinder 🤦🏽‍♂️ and both mates nearly had a plate from the box land and slit their head open. Fun times. We all survived. Not the easiest working with limited access on jackstands. As I'm sure we can agree these are the memories which make us love our car. For all three of us, was an awesome weekend and Sunday 3.30am before tools down was a fantastic effort. I need to upload pics, but looks like it needs to be via Url now. We used to be able to just upload pics back in the day. It's been that long! 🤪 Im currently spraying rustoleum under body, not because it's rusted. It's super clean, but just so it's protected for the next 10 years. There was a few surface rust spots. Which pretty much wiped off with a 3M scourer.  Really impressed with how well the previous owner maintained it. Bank account went down so quick! Service, then GB - managed to get a spanking new 34 genuine box from Nissan. All the rest of the conversion parts from Kudos.  Went with a Nismo short shifter. New pedals and Exedy Clutch and FW. Ordered the Prp Rear Main Retainer kit which should arrive Friday and my first engine mod part just like I did with my S15 will be the Tomei Expreme Turbo Outlet. Already on order. It'll likely sleep next to me on a pillow during the coming months. 🥰 Last build was on my JET200GT profile and on SAU and Hardtuned I had documented the build. Planning to try to do that again. Brands feel scarce now. Wish we still had ARC and Apexi parts readily available. Exhaust - need some advice on this. I had an Apexi exhaust on the S15 and loved the tone. My mate had a HKS HP Silent on his 33 and suggested I go with that to avoid drone. I can't remember hearing an RB25DET running that so will likely need to wait for a meet or something to hear it.  Not after big power, just enjoy building it, and drivability with minimal negative attention.
    • Have a chat with Ben at Moore Performance or Jesse at JS Performance.
    • Thanks both. All good advice. Reminds me of drilling through stone wall for drainage pipe 😬 I'll let you know how I get on if I still have use of my hands afterwards 😅
    • Finally got shipping number for the intake and throttle body, shipped by UPS, so "should" be in my hands sometime next week, fingers fracking crossed
×
×
  • Create New...