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m35 trans cooler new install flush

MrStabby

By MrStabby,
in Four Door Family & Wagoneers

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MrStabby Grand Master

MrStabby

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Posted

After i've connected the cooler, i'm thinking of running it with the outlet into a bucket for a few seconds to flush it just in case. Is there any risk with doing that?

Will it flow in neutral or will it need to be in drive?

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https://www.sau.com.au/forums/topic/472915-m35-trans-cooler-new-install-flush/
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West Grand Master

West

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2 hours ago, MrStabby said:

After i've connected the cooler, i'm thinking of running it with the outlet into a bucket for a few seconds to flush it just in case. Is there any risk with doing that?

Will it flow in neutral or will it need to be in drive?

It will flow in neutral and FAST. 

Make sure you add some weight to the hose so it wont spit/fly everywhere, trust me, this is from experienced :). One crank/idle for 2-5 seconds and i could easily get around 0.5ltr or more out.

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KiwiRS4T Grand Master

KiwiRS4T

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Posted

What colour is your ATF? If it is dark brown rather than bright red consider using the opportunity to change the fluid (which you cannot do by draining or dropping the sump). You may need 12L or so to do this.

MrStabby Grand Master

MrStabby

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13 minutes ago, KiwiRS4T said:

What colour is your ATF? If it is dark brown rather than bright red consider using the opportunity to change the fluid (which you cannot do by draining or dropping the sump). You may need 12L or so to do this.

I've just done the 4lts in the pan a couple of times, so it shouldn't be too bad but i havent checked in a while. I had assumed that pumping it all out would be risky for any running that occurred after the last of the fluid was out. Do you think pumping it all out would be safe?

KiwiRS4T Grand Master

KiwiRS4T

Posted
Posted
19 hours ago, MrStabby said:

I've just done the 4lts in the pan a couple of times, so it shouldn't be too bad but i havent checked in a while. I had assumed that pumping it all out would be risky for any running that occurred after the last of the fluid was out. Do you think pumping it all out would be safe?

What I do is pump out about 2L turn it off and add 2L down the dipstick and repeat until the fluid comes out clean.

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MrStabby Grand Master

MrStabby

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On 12/15/2017 at 4:33 PM, KiwiRS4T said:

What I do is pump out about 2L turn it off and add 2L down the dipstick and repeat until the fluid comes out clean.

Did that and it worked well. The fluid didnt look great so i pushed 8 litres through. Now crossing fingers to see if its enough to stop the overheating.

  • 2 weeks later...
KiwiRS4T Grand Master

KiwiRS4T

Posted
Posted
On 12/28/2017 at 8:46 PM, Crossmember said:

How easy is it to install a Trans cooler? I need to get one for mine.

Easy as. There is a tutorial in the DIY section above. Its for a C34 but much the same.

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