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AC Delete 99 S70 N/A - (Seized Compressor) Topic is solved

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1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
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1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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Re: AC Delete 99 S70 N/A - (Seized Compressor)

Post by abscate »

It’s a date
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Re: AC Delete 99 S70 N/A - (Seized Compressor)

Post by smacknab »

Second update: I replaced my heater core last night and it so far seems like that has cleared up my fogging issue. So lack of AC might be fine

Third Update: this may be no surprise to people that expect a car without AC but with working heater core, but it doesnt fog when it's me or me and my partner, but it's a damn miracle to me. Now I know my highschool (also without working ac) must've had a heater core leak.

Still the car does fog quite a bit in cold weather with 4-5 passengers in it.
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Re: AC Delete 99 S70 N/A - (Seized Compressor)

Post by bhall89 »

Hey guys, new to the forum and Volvo world. Recently ran into the same exact issue here...compressor completely seized up on the way home and before digging around online I tried multiple belt combos, including double sided serpentine belt. Of course, no luck with anything so I accepted defeat. Smacknab I was wondering where you got the bracket from to replace the compressor with an idler now, since this car is just my work commuter and my 97 F350 is lots of $$$$ at the gas station. Awesome info on here fellas
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Re: AC Delete 99 S70 N/A - (Seized Compressor)

Post by smacknab »

Hey bhall,

Sorry to hear about your car! Do you have more info on your year/model? That might help others give some specific suggestions to your car.

To answer your question, I bought the bracket and flange screws (pulley to bracket) from volvopartswebstore.com. I bought the pulley in person from a Auto Parts International location in MA since they had that pulley cheaper than the Volvo parts webstore. You'll have to source the shorter bracket-to-engine bolts on your own. I got a few lengths of grade 8 bolts from home Depot with washers and tried my best.

More experienced members had suggested to me to put in a used compressor and call it a day, and I think that that solution is worth considering since you won't have to source these parts and it might come out a hair cheaper. Ozark Lee made a great point that if the AC hasn't internally torn itself apart, there shouldn't be metal bits in your lines and you might be able to just put a used unit in, clear the lines and recharge the AC.

If I could do it again I might personally choose to do the job properly and keep my car's AC as it might've only cost about $100-200 more (based on the price of a used compressor, new condensor and a vac/recharge for the AC lines). But at the time everything was breaking on the car and I was worried about any extra cost.

However you know what's best for your situation, and as my friend said, the AC can't break again if it doesn't exist.
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Re: AC Delete 99 S70 N/A - (Seized Compressor)

Post by abscate »

The 1999 has a different serpentine belt routing, and the alternator turns counter clockwise , in contrast to the -1998 models. The 1999 alternator won’t out put if turned backwards.

Sourcing a used compressor off eBay is the fast path here. The 1999 AC compressor is also unique to the 1999 and 2000 models

I have a nuked one that won’t work for AC but will work as a pulley. Free for asking,

I’m working a project down at Duke this winter , if that’s close
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Re: AC Delete 99 S70 N/A - (Seized Compressor)

Post by smacknab »

I went through the cars service history again and found that the evaporator drier and condenser were replaced only about 3-4 years ago, which makes this situation only funnier. Perhaps I shove just replaced the compressor.
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Re: AC Delete 99 S70 N/A - (Seized Compressor)

Post by abscate »

smacknab wrote: Mon Feb 10, 2020 8:21 pm I went through the cars service history again and found that the evaporator drier and condenser were replaced only about 3-4 years ago, which makes this situation only funnier. Perhaps I shove just replaced the compressor.
I wonder if we can figure out a way to close off your system and vacuum it out until Spring? You really don’t want moisture in there , although vacuuming will remove it, as long as the system doesn’t start corroding.
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Re: AC Delete 99 S70 N/A - (Seized Compressor)

Post by smacknab »

Update: tore apart my old compressor and it was the pulley bearing that went bad, the internals of the compressor were clean.

The best plan of action would've been for me to replace the compressor with a used unit and recharge it.
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Re: AC Delete 99 S70 N/A - (Seized Compressor)

Post by smacknab »

Ozark Lee wrote: Sun Nov 03, 2019 4:36 pm The path of least resistance in my mind is to grab a replacement compressor from a pick-n-pull. Hooking the lines back up will help to keep the crap out of them.

If it was just the clutch bearing that seized up and the compressor didn't grenade internally then it is really easy to pull a good vacuum and recharge the system.

...Lee
Lesson learned, I should've listened!
99 s70 NA Manual - >221k miles
Mods: Accidental C70 Delta link, V70 Left Dog Leg
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Re: AC Delete 99 S70 N/A - (Seized Compressor)

Post by abscate »

I think the only AC condensor we have ever seen replaced here are accident or rock damage cases.
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