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What did you do to your Volvo today?

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

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abscate
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Re: What did you do to your Volvo today?

Post by abscate »

Not with a COTS like our P80s

It has to be really cooking for 100% compressor duty cycle
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Re: What did you do to your Volvo today?

Post by smacknab »

abscate wrote: Wed Aug 05, 2020 5:58 pm Not with a COTS like our P80s

It has to be really cooking for 100% compressor duty cycle
What's COTS?
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Re: What did you do to your Volvo today?

Post by Chuck W »

amblerman wrote: Wed Aug 05, 2020 5:19 pm
what coating did you use for that green?
-A
They're powdercoated. My buddy had some left-over powder from a previous project of mine, so I just had him shoot them with that.
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Re: What did you do to your Volvo today?

Post by abscate »

Orfice tube air conditioning , vs expansion valve type.

P80s use orfice tube type
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Re: What did you do to your Volvo today?

Post by ZionXIX »

The A/C saga continues. Somehow the new AC schrader valve from FCP doesn't seal. I don't know if I damaged it on install but it would not hold a vacuum no matter how tight. I've ordered 2 more since as usual my local stores don't have any. Even more strange we could not charge the system at the shop. The machine would not go passed 0.24 lbs. We were quite baffled.
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Re: What did you do to your Volvo today?

Post by abscate »

Did anyone use stop leak on that AC , Zion?

That is death to these systems
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Re: What did you do to your Volvo today?

Post by ZionXIX »

abscate wrote: Thu Aug 06, 2020 5:06 am Did anyone use stop leak on that AC , Zion?

That is death to these systems

In my younger years I have topped up the system with off the shelf DIY kits. Its entirely possible those had stop leak. But the system was charged and cooling before I started all of this mess. There is no reason for it not to accept a charge. That machine was also upset about no high side to read. I have considered just pulling a vacuum and connecting a can of R134a myself through the manifold gauges but I want to do things correctly.
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Re: What did you do to your Volvo today?

Post by bmdubya1198 »

That is really strange.

I believe you can remove the high pressure switch to attach the high side, it should have a shrader valve behind it to prevent the system from losing pressure. I know I've seen it done that way, although I've never had to do it.
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Re: What did you do to your Volvo today?

Post by abscate »

bmdubya1198 wrote: Thu Aug 06, 2020 9:02 am That is really strange.

I believe you can remove the high pressure switch to attach the high side, it should have a shrader valve behind it to prevent the system from losing pressure. I know I've seen it done that way, although I've never had to do it.
It does indeed have a Schrader type valve under the high pressure switch or pressostat. I looked at Volvo web store for a part number, alas, none given.
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Re: What did you do to your Volvo today?

Post by ZionXIX »

abscate wrote: Fri Aug 07, 2020 4:21 am
bmdubya1198 wrote: Thu Aug 06, 2020 9:02 am That is really strange.

I believe you can remove the high pressure switch to attach the high side, it should have a shrader valve behind it to prevent the system from losing pressure. I know I've seen it done that way, although I've never had to do it.
It does indeed have a Schrader type valve under the high pressure switch or pressostat
While that is true, there is no quick connect fitting for the hose connection. And of course now he's telling me I should have flushed everything out with an AC solvent while it was apart. I wonder if there is a blockage of gunk somewhere preventing charge from accepting.
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