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Installing 850 Cabin Air Filter

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
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

1997volvo850
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Volvo Repair Database Installing 850 Cabin Air Filter

Post by 1997volvo850 » Thu Apr 08, 2010 10:51 pm

I've read in several threads that a cabin air filter helps prevent the evaporator from
self destructing due to debris getting stuck in it and causing it to rust out. I've also
read that some 850 don't have it, and some do.

Did Volvo start adding the cabin air filter during a particular year? I'll be able to check
for sure when I replace my blower motor. It's down there on my TODO list so I thought
I'd query the group.

I have a 1997 Volvo 850 GLT.



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Re: Volvo 850 Cabin Air Filter Question

Post by BEJinFbk » Thu Apr 08, 2010 11:14 pm

Actually, the filter loads from under the hood and is pretty easy to access.
Pull a couple of torx screws from the plastic shroud under the wipers and have a look.
Passenger side. You don't have to pull the whole panel, just lift it up. :mrgreen:
Cabin Air Filter.jpg
Cabin Air Filter.jpg (34.79 KiB) Viewed 11072 times


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Re: Volvo 850 Cabin Air Filter Question

Post by 1997volvo850 » Fri Apr 09, 2010 8:24 am

For all those that mention their 850 did not have a cabin air filter: did you install one?
Is it too late at this point, 13 years, to prevent damage to the evaporator? Sounds like
the carbon filter does a good job of cleaning pollutants out of the air coming in.

Seems like an oversight not to have installed this $30 part when the cars were sold given
that the resulting evaporator damages costs $1200 to repair. I understand lack of a filter
may also result in damage to the blower (another $400 to repair).

Or is the cabin air filter an after market invention?

Is there any way to clean out the evaporator area without ripping the dash apart? Stick my
shop vac down the air ducts...

What might be useful is a long probe with a camera and lights on it to probe the air ducts...
sounds like a cool science project for my son to work on.

May add this to my growing todo list.

Thanks



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Re: Volvo 850 Cabin Air Filter Question

Post by matthew1 » Fri Apr 09, 2010 11:22 am

I put one in, yes. I don't know that -- back in the '90s -- there was a correlation at the engineering department between not installing one and needing the evap repair, exactly.

Why some Volvos came without them... I think we'll never know. Just one of those factory mysteries.


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Re: Volvo 850 Cabin Air Filter Question

Post by jblackburn » Fri Apr 09, 2010 11:44 am

SUPPOSEDLY all the S/V70's have them as it was made STANDARD in the 98 model year, but mine does not. I don't know if it was taken out or what by the P.O. (I wouldn't think so), but there just wasn't one there.

I put in the charcoal one after I was getting annoyed at the smells coming through the vents (which I later discovered was a clogged PCV) and it helped with outside smells a lot.

I'm not sure what the deciding factor was for the 850's or if it was just an extra option when the car was bought, or don't know if anyone really knows that information.

About 10 people have reported that their 850's did/did not have one - I have removed those posts to clean up this discussion a little bit. Apparently there is no correlation between the year and/or the model and having a cabin air filter pre-installed or not.


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Re: Volvo 850 Cabin Air Filter Question

Post by 1997volvo850 » Sun Apr 11, 2010 6:57 pm

Finally got around to checking if I won the lottery with regard to a cabin air filter. No luck.

I see the insert at FCP Groton. There are several air filter inserts of different quality and cost.
Any other sources recommended by the group?

There are three cabin air filters available at FCP Groton. The carbon is $14, Then there's a $11 and $23.
I don't see much of a difference in the non-carbon filters. Is the $23 OEM?

Someone also mentioned in another thread that some filters don't fit in the insert properly.
Any experience with filters that don't fit is welcome.

Easy to get to.
DSC08406.JPG
I remove two of the three bolts to take a look.
Volvo just forgot to install my retainer and cabin air filter.
DSC08407.JPG
No filter on my 1997 Volvo 850 GLT
The retainer is just one screw to install? Hopefully the hole exists and the install is as
trivial as it sounds.



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Re: Volvo 850 Cabin Air Filter Question

Post by BEJinFbk » Sun Apr 11, 2010 11:01 pm

Here's the skinny from the accessory catalog:
850 Cabin Air Filter Kit.jpg
850 Cabin Air Filter Kit.jpg (133.47 KiB) Viewed 10930 times


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Re: Volvo 850 Cabin Air Filter Question

Post by 1997volvo850 » Sun Apr 25, 2010 6:31 pm

I received my cabin air filter retainer and carbon filter so I thought I'd finish out the
thread. This follows the other photos I uploaded earlier.
DSC08525.JPG
Ready...retainer and filter.
Just lift the rain diverter...
DSC08526.JPG
Remove the air flow piece that's there.
Insert retainer
DSC08527.JPG
Insert retainer...
Insert filter...snaps into place...
DSC08530.JPG
All done...
Replace two screws...I felt guilty and did some cleaning...
DSC08532.JPG
Done. Takes only a few minutes.



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Re: Volvo 850 Cabin Air Filter Question

Post by PerthX » Sun Apr 25, 2010 8:52 pm

My first 850t was a '96 and had the filter. Then sometime a year or two later they changed the filter so you had to buy an adapter (as seen in the previous photos) which you can probably get at a junk yard easy enough for next to nothing.

I just got a '95 850T and it didn't have a filter or adapter when I got it. It has both now.

It will have a newer blower motor and resistor both off a later model 850. The resistor was shot but not the motor (as far as I can tell). But, as someone posted to me, the resistor probably went bad due to the motor...there was so much stuff under the cowl I am guessing some of that schmutz fell in and caused some type of damage or excessive wear. Can't hurt to upgrade the blower motor as long as the glove box etc are all taken apart.



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Re: Volvo 850 Cabin Air Filter Question

Post by BEJinFbk » Sun Apr 25, 2010 9:06 pm

1997volvo850 wrote:I received my cabin air filter retainer and carbon filter so I thought I'd finish out the thread.
Insert filter...snaps into place...
I felt guilty and did some cleaning...
Thanks for posting back with the great pics.
( I think this thread may now deserve Sticky Status! :wink: )

And very clean, too. Nothing to feel guitly about,
Just blame it on Spring Cleaning Fever.

:mrgreen: Looking Good!


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