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I think the evaporator has packed it in!!

Help, Advice and DIY Tutorials on Volvo's extremely popular car line -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.
1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
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tailor
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Year and Model: 2004 XC90 2.5T AWD
Location: Toronto
Canada

I think the evaporator has packed it in!!

Post by tailor » Sat Jul 26, 2008 8:48 pm

List of faults:
1) swishing water sound when the fan is on high
2)water coming into the passenger side when turning left
3)fan bearing starting to groan when turning left
4)sucked out about 2 litres of water from the fan housing, see 3rd pic.
Now other than these problems..... the A/c works and keeps us cool.
No fault codes either!
What do you learned folks think?
Image
In spite of my cabin air filter you can see junk at the bottom of the fins .
Image
The above pictures are taken through the blower motor housing. The orientation is correct.
Just very damp inside, all the water had been removed with vacuum pump, see below.
We have had an extraordinary amount of wet weather here in Toronto, I had put it down to a leak through the windshield :o and the fact that I park on an incline.
Image
Vacuum pump/brake bleeder
Image

Any idea if I can drive around with the blower motor out and should the A/C cycle? It will be Monday before I can get my hands on some parts.
1994 850 Auto Turbo wagon 306000km (Sold)
2004 XC90 AWD 188000km

"Life is like a reel to reel tape recorder,
the closer you get to the end,
the faster it spins."
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chuckcintron
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Location: Upstate New York

Post by chuckcintron » Sat Jul 26, 2008 9:03 pm

You sure your climate box bottom drain port wasn't plugged? You shouldn't get anywhere that much water sitting in there...

-Chuck

MadeInJapan
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Year and Model: '98 S70 T5 '07S40T5
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Post by MadeInJapan » Sat Jul 26, 2008 9:05 pm

I agree...you have a major clog. If your Evap isn't gone yet, it will be soon as it will basically rust out from all of that water. Btw, it won't cool and it will keep loosing its gas if the evap. is truly gone.
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
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tailor
Posts: 570
Joined: Sun Nov 12, 2006 4:59 pm
Year and Model: 2004 XC90 2.5T AWD
Location: Toronto
Canada

Post by tailor » Sat Jul 26, 2008 9:17 pm

You sure your climate box bottom drain port wasn't plugged
And just where is this drain port you refer too!
1994 850 Auto Turbo wagon 306000km (Sold)
2004 XC90 AWD 188000km

"Life is like a reel to reel tape recorder,
the closer you get to the end,
the faster it spins."
Abe Gottschalk

MadeInJapan
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Joined: Thu Mar 31, 2005 7:14 am
Year and Model: '98 S70 T5 '07S40T5
Location: Knoxville, TN American but born in Japan
United States of America

Post by MadeInJapan » Sat Jul 26, 2008 10:09 pm

tailor wrote:
You sure your climate box bottom drain port wasn't plugged
And just where is this drain port you refer too!
well, so now- that's the problem...it's at the edge of the pan that the evaporator sits in. There is a drain hose that meanders from there to the bottom of the car but it's very very hard to get to from below the car- and you know that to get to the evaporator and pan you basically have to take the dash out.

Maybe someone else has a suggestion for unclogging everything....drano???
'98 S70 T5 Emrld Grn Met/Beige Tons of Upgrades Mobil-1
'04 V70 2.5T Red/Taupe Some Upgrades Mobil-1
'07 S40 T5 AWD 6 speed manual! Silver/Black Stage1 Heico & Elevate
'07 S60 2.5T Blue/Taupe- my kid's Volvo

chuckcintron
Posts: 478
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Year and Model:
Location: Upstate New York

Post by chuckcintron » Sun Jul 27, 2008 6:18 am

I think it'll have to be gotten to from under the car and cleared with a wire rod or some similar implement. I think you'd have to pour way too much household drain cleaner into the unit before you'd have any chance if it getting to that drain. It'd have to seep past the evaporator, as well.

See the photo on the left side of page 18 in my evap writeup (linked in my sig)...you can see where the evap sits...the drain is on the bottom, behind it.

If it's that clogged up though, then the evap itself probably looks like the one in that photo...and you know what I'm going to say next...

-Chuck

JRL
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Post by JRL » Sun Jul 27, 2008 8:53 am

This is what can happen when the cabin filter isn't changed regularly
2000 V70R Black, 141,000 miles (Wife's R, but she won't let me sell it)!
2007 V70 2.5T White/Oak 109,000 MILES. Polestar tune, IPD bars, rear spoiler, dark grey Thors, DWS 06, HU850, sub.

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tailor
Posts: 570
Joined: Sun Nov 12, 2006 4:59 pm
Year and Model: 2004 XC90 2.5T AWD
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Canada

Post by tailor » Sun Jul 27, 2008 8:54 am

Thanks a lot guys....Jrl would have already said it !
I will give it a go and see what the best angle of attack is.
1994 850 Auto Turbo wagon 306000km (Sold)
2004 XC90 AWD 188000km

"Life is like a reel to reel tape recorder,
the closer you get to the end,
the faster it spins."
Abe Gottschalk

vegasjetskier
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Post by vegasjetskier » Sun Jul 27, 2008 8:58 am

Find the drain hole in the bottom of the car and suck out the clog with your shop vac.

You can drive the car with the blower motor out, but shut off the a/c or the evaporator will ice up. You won't get any cooling effect from it with the motor out anyway.
.

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holler1
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Post by holler1 » Sun Jul 27, 2008 9:41 am

In my 98 V70 AWD I can get to the AC drain hose from inside the car, just to the passenger side of the front of the center console. Just pry up or aside the liners and look for a white hose coming from the AC to about maybe a foot in front of the gearshift etc. The hose pulls loose from the floor drain and you can squeeze it or probe it a bit to clean it out. I cleaned mine a couple of years ago and it fixed the problem with water swishing around, slow fan, etc. I have photos somewhere, but don't have time this morning to find them. I'll look again tonight. This drain is very hard to get to from outside the car at least on my AWD.
1998 Volvo V70 AWD 165000-R muffler, HD endlinks, boost gauge
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