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96' 850 evaporator job, can't remove heater box, please help.

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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abscate
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Re: 96' 850 evaporator job, can't remove heater box, please help.

Post by abscate »

View of the plastic pin
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1314547D-0DC9-4556-81D6-3B2138D61DB3.png
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Post by 850 LPT »

Azik09 wrote: 10 May 2021, 13:50 I have a completely disassembled 850 and S70 in my yard. Tomorrow I'll look on it, maybe there are some fastenings left. It's 11pm now in my town.
Thank you Azik, but I finally figured it out.
98' S70, base, 5-speed manual, pewter/ tan, 145k miles
99' S70, base, 5-speed manual, nautic blue/ tan, 225k miles, currently inop
06' V70, auto, willow green/ charcoal, 147k miles
79' Ford Capri S, Euro Spec 2.8 V6, T9 5-speed manual, owned since 1986
58' Porsche Diesel Junior
13' Honda Odyssey :oops:
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Post by 850 LPT »

Steve thank you, I figured it out the minute you sent this. You are quite right, lifting up and out did the trick. Stumbled over my own stupidity yet again. :oops:
98' S70, base, 5-speed manual, pewter/ tan, 145k miles
99' S70, base, 5-speed manual, nautic blue/ tan, 225k miles, currently inop
06' V70, auto, willow green/ charcoal, 147k miles
79' Ford Capri S, Euro Spec 2.8 V6, T9 5-speed manual, owned since 1986
58' Porsche Diesel Junior
13' Honda Odyssey :oops:
84' Mercedes 300 D, gold/ tan, 420k miles (retirement project :D )

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Post by BEJinFbk »

abscate wrote: 10 May 2021, 14:04 View of the plastic pin
Great Pic!
It’s going in the collection. :mrgreen:
'98 V70 R - Well Equipped for Life Up North... ;)

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Post by FlyingVolvo »

850 LPT wrote: 10 May 2021, 13:16 New problem though. I have everything disconnected from the heater box, but it won't come out.
There seems to be something still connected right in the center between the left set of screws:

DSC_0194.jpg

It feels like I would have to yank really hard, or something would break.
Anybody know what to do here?

Thanks, Dirk
I just did this in my 850 last weekend. Try lifting it straight up a bit. I had everything disconnected as well but it felt like something was still holding it. I eventually tried going straight up and something released for me. Hope that's your issue!
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Post by 850 LPT »

ecbsykes wrote: 10 May 2021, 17:57
850 LPT wrote: 10 May 2021, 13:16 New problem though. I have everything disconnected from the heater box, but it won't come out.
There seems to be something still connected right in the center between the left set of screws:

DSC_0194.jpg

It feels like I would have to yank really hard, or something would break.
Anybody know what to do here?

Thanks, Dirk
I just did this in my 850 last weekend. Try lifting it straight up a bit. I had everything disconnected as well but it felt like something was still holding it. I eventually tried going straight up and something released for me. Hope that's your issue!
That was exactly it. I just didn't realize that you have to lift up a little before you can pull out.
It's all back together and installed in the car with new evaporator and heater core. I just have to put the dashboard and everything else back in next weekend.
98' S70, base, 5-speed manual, pewter/ tan, 145k miles
99' S70, base, 5-speed manual, nautic blue/ tan, 225k miles, currently inop
06' V70, auto, willow green/ charcoal, 147k miles
79' Ford Capri S, Euro Spec 2.8 V6, T9 5-speed manual, owned since 1986
58' Porsche Diesel Junior
13' Honda Odyssey :oops:
84' Mercedes 300 D, gold/ tan, 420k miles (retirement project :D )

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abscate
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Post by abscate »

I looked at my spare this evening and it has a barb on the pin end, facing down.

That is a rude addition for us DIY PEOPLE.
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Post by 850 LPT »

abscate wrote: 11 May 2021, 17:17 I looked at my spare this evening and it has a barb on the pin end, facing down.

That is a rude addition for us DIY PEOPLE.
I noticed it on mine, but is was a very mild barb that didn't actually do anything to hold the box back.

It looks to me as though the Volvo engineers who dreamed up the P80's never thought that the evaporator might need replacing.
But unfortunately their "evaporator for life" idea didn't quite pan out.
Although it did turn out to be a money making machine for the dealers :o
98' S70, base, 5-speed manual, pewter/ tan, 145k miles
99' S70, base, 5-speed manual, nautic blue/ tan, 225k miles, currently inop
06' V70, auto, willow green/ charcoal, 147k miles
79' Ford Capri S, Euro Spec 2.8 V6, T9 5-speed manual, owned since 1986
58' Porsche Diesel Junior
13' Honda Odyssey :oops:
84' Mercedes 300 D, gold/ tan, 420k miles (retirement project :D )

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