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Water in Transmission

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive P2 platform cars sold as model years 2001-2007 (North American market year designations).

2001 - 2007 V70
2001 - 2004 V70 XC (Cross Country)
2004 - 2007 XC70 (Cross Country)
2001 - 2009 S60
2003 - 2007 S60 R
2004 - 2007 V70 R

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lfilson
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Re: Water in Transmission

Post by lfilson »

jonesg wrote: 21 Apr 2024, 16:48

theres also an older thread where someone drilled a hole in the trans case and poked holes in the fluid filter, then installed a plug in the hole in the case and used an external trans filter.
Oh, thanks for this. I've already bought an external filter and extended the hose length for the low pressure line to install it there, I just hadn't done it yet. I'll see if I can find that post.

lfilson
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Post by lfilson »

I'm afraid that I'm in this for the long haul. I've been putting money and time into this thing for months. I've done a lot of work on it and there's no way to sell it and get that back, plus it would just completely bum me out. It's an 05 but it only has 100k miles on it.

I guess I need to start talking about what I can do.

I'm interested in the "drilling a hole in the case" thing, to access the filter.

Either way, I appreciate everyone's help.

dikidera
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Post by dikidera »

There was indeed such a thread but I also cannot find it. Be prepared for the trans to slip as it may already have too little clutch material.

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jonesg
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Post by jonesg »

page 3 shows exactly where to drill the case.

viewtopic.php?t=98458&hilit=transmissio ... r&start=20

lfilson
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Post by lfilson »

jonesg wrote: 22 Apr 2024, 03:40 page 3 shows exactly where to drill the case.

viewtopic.php?t=98458&hilit=transmissio ... r&start=20
Hey Thanks man. I think this is kind of awesome because if it's not working I have nothing to lose. I'm going to keep it one way or another so what's the harm in experimenting with it? I guess I'm going to learn how to swap out this transmission. Other than that video someone shared of the guy changing out the manual in the diesel, I haven't been able to find a lot of good videos on the best way to drop the transmission. This is probably going to wind up being a long term project.

:idea: :idea: :arrow: :cry: :shock: :?:

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jonesg
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Post by jonesg »

were it me, if i was prepared to drill the case? i'd drop the trans.
split the case and clean the filter, if the filter isn't clogged then theres probably mechanical damage, valve body etc.

you can hang the engine and drop the subframe, once you're at that point you do what the video shows with the addition of removing the prop shaft and angle gear.
https://www.aliexpress.us/item/32568059 ... pt=glo2usa

the car has low miles, should be good for another 200K miles and more.

with what you're saving diy you can afford all the tools and still be ahead....heck get a portable low rise lift.

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Post by dikidera »

The other method ain't so bad either. Don't remove transmission, just transmission oil pan(may require slight hang of the subframe). Remove the valve body, should be easy. Then use the oil return hose, fill it with diesel and use a powerful air compressor to flush back the gunk. I know people who've done this and got a working transmission again. The pros to this are, if it doesn't work out, you can still quickly put it back together to think of what to do.

Also, while the valve body is out, there are a bunch of seals in there(o rings if I remember correctly) that can be replaced, which will improve oil pressures(if the seals were leaking).

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lfilson
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Post by lfilson »

Thank you everyone. Other issues have been coming up and distracting me. I'm still mulling over how I want to approach this issue. I've made up my mind though that I'm keeping the car. With all the new parts, it just doesn't make sense to sell it the way it is. I'm not looking forward to dealing with dropping the transmission, but you guys have made it feel a lot less intimidating.

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Post by vtl »

dikidera wrote: 22 Apr 2024, 10:09 The other method ain't so bad either. Don't remove transmission, just transmission oil pan(may require slight hang of the subframe). Remove the valve body, should be easy.
Removing valve body with the transmission still in place is maybe 1/2 of work required to drop the transmission altogether. I did a few valve bodies and 3 transmissions.

OP, don't bother. Drop the transmission. Maybe buy a good used one? They are not that expensive here in US. It would not be perfect, of course, but would keep the car moving. You may want to replace the rear main seal along the way, 'cause it leaks already or would leak soon :)

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