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AW55-50SN woes-easy to repair? Topic is solved

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive "P2" platform cars.

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precopster
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Re: AW55-50SN woes-easy to repair?

Post by precopster » Sun Oct 01, 2017 7:01 am

We had an AFL premiership match yesterday. The 'roos (North Melbourne) were knocked out and didn't make the finals.

The Tigers (Richmond) were the victors so I'd better watch out for night stalking cats.

Wife promised she would be my pace car tomorrow.
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mrbrian200
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Re: AW55-50SN woes-easy to repair?

Post by mrbrian200 » Sun Oct 01, 2017 5:40 pm

You're saying you pushed the filter screen out and possibly up into the transmission or poked a hole in it? That sounds like Trouble. The objective would be to find a way to clean/clear the debris from the screen without needing to pull the transmission. Not effectively bypass or remove the filter. Larger particles this screen is designed to block will likely cause problems -- accelerate wear of the frictions, cause problems in the valve body/solenoids etc.

The line you blew into I believe is the return line that would drain back to the pan (not back flow through the pump/filter). In the flush DIY videos I've seen where people run the engine and pull 3L at a time they get the old fluid out through a tube inserted into the radiator side of that connection with a makeshift seal around a tube. So by that metric I think you need to pressurize the port on the radiator to backflush through the pump or disconnect the other hose down below and blow or run solvent/suck fluid through that. People usually access the system via at the top connection because the lower one is difficult to access without removing other stuff. Someone correct me if I'm wrong.

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cuhfs

Re: AW55-50SN woes-easy to repair?

Post by cuhfs » Sun Oct 01, 2017 6:02 pm

Precopster can if he wants to put 2 filters inline. One on each transmission line from / to the radiator. Then the fluid will be like pure. Plus the filter does not catch all the debris.
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precopster
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Re: AW55-50SN woes-easy to repair?

Post by precopster » Sun Oct 01, 2017 6:24 pm

You can't clear the filter without removing it. If you can find a way please share it....do please!!

I didn't use a camera but from what I can feel the filter is out of the way.

I'll take my chances with a Magnefine replaced every engine oil change rather than a filter I'm not certain I cleared properly because I can't see it.
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Re: AW55-50SN woes-easy to repair?

Post by precopster » Sun Oct 01, 2017 8:37 pm

5 kms and counting. We're at a shopping mall in convoy.

mbrian200 I didn't blow air into the
return line. I blew air into the radiator port it belongs to effectively pushing crud off the bottom of the filter and into the sump area. I used nylon hose with electrical tape to provide a seal with the radiator port.

When back flushing the filings with fluid I used the return line which lead straight to the hole I drilled or within a few inches.
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precopster
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Re: AW55-50SN woes-easy to repair?

Post by precopster » Sun Oct 01, 2017 11:41 pm

11kms and still driving well. The 1-2 shift feels softer than it used to.

All other shifts are perfect.
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Re: AW55-50SN woes-easy to repair?

Post by jonesg » Mon Oct 02, 2017 1:20 am

precopster wrote:
Sun Oct 01, 2017 11:41 pm
11kms and still driving well. The 1-2 shift feels softer than it used to.

All other shifts are perfect.
If this works you guys will get the volvo medal of honor. If not....well we told you it won't.

precopster
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Re: AW55-50SN woes-easy to repair?

Post by precopster » Mon Oct 02, 2017 3:00 am

Cuhfs it was your idea. You can have the credit on this one.

Or the blame if it doesn't :D
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cuhfs

Re: AW55-50SN woes-easy to repair?

Post by cuhfs » Mon Oct 02, 2017 4:00 am

I think this was a partnership. You did the surgery. I hope it worked and car is back on road for daily use.
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Re: AW55-50SN woes-easy to repair?

Post by abscate » Mon Oct 02, 2017 5:33 am

You need to invoke the Wall Street model , cuhfs......take the rewards of the risk, but tell the public they have to pay for the failures.... :-)


I hope the Tigers did better than Crystal Palace is doing....
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