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914World.com _ 914World Garage _ Ye old off topic : fixing air con in a 2005 scion xb
Posted by: thelogo Oct 7 2019, 06:23 PM
Got a used scion
xb 117k miles really good condition
But.......
Ac blow intermittently cold for hours
warm for a month ...cold again for 10mins
Warm. Apparently this car has a compressor that always runs . no clutch
So i had my mechanic recharge the system
Little to no effect ...refigerant was a" small bit low "
Decided to replace the compressor next reman for 240$
Was cold for 15 mins then hot ever since
Then i took it too a ac specialist he ran test both with
Snap on ac tool /machine
And checked all electrical related . cost 65 $
Tech said it was internal compressor failure .no pressure
Guy who installed the compressor said he doubts that its defective but will refund my 240 for the reman compressor and install a compressor of my choice (oem) for no charge.
Is this the right thing to do or am i missing something obvious here .
If you have experience with ac please chime in
Posted by: type2man Oct 7 2019, 06:54 PM
I'd take it back to the guy who installed it. If the compressor is engaged and the high pressure and low pressure lines are out of spec, then the $240 compressor died and the guy who installed it is being very nice by doing the job twice for you.
Posted by: thelogo Oct 7 2019, 07:07 PM
I'd take it back to the guy who installed it. If the compressor is engaged and the high pressure and low pressure lines are out of spec, then the $240 compressor died and the guy who installed it is being very nice by doing the job twice for you.
Im not exactly sure what you mean about
pressure lines are out of spec ?
Guy who installed it vaccummed and refilled the system not me ... So he could have fried the reman
compressor ?
Then ac specialist didn't mention that specifically
Just that there was no pressure being put out by compressor
Posted by: JOEPROPER Oct 7 2019, 07:27 PM
The description in the 1st paragraph sounds like typical ac relay failure. Very common Toyota problem. Don't know why a recharge then a new compressor was tried... Sounds like you need a different ac tech.
I would have gone to the relay first because of their frequent failures, then check system pressures and b+ to the compressor. This 5 .minute Inspection would lead you to the next step...
Posted by: thelogo Oct 7 2019, 08:45 PM
The description in the 1st paragraph sounds like typical ac relay failure. Very common Toyota problem. Don't know why a recharge then a new compressor was tried... Sounds like you need a different ac tech.
I would have gone to the relay first because of their frequent failures, then check system pressures and b+ to the compressor. This 5 .minute Inspection would lead you to the next step...
I really appreciate your common sense approach to this
But is the relay you refer to for the compressor ?
I don't think there is a relay on these cars for the ac ?
As the compressor old and and new did always
Kick on and pull load off the engine
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