on tripac shutdown, on the last few revolutions as it winds down, something squeaks, getting worse every time it shuts down, sounds like a combination of squeaking like sneakers on basketball court and metal on metal grinding. AC having trouble keeping cab below 80 in 110 Arizona heat. Watching the coils under the bunk, I don't think they are even ever freezing at all, just cold and wet. Original compressor and charge at 9k hours, hasn't been touched since factory installed. Is that the AC compressor about to die?
APU showdown squeaking noise
Discussion in 'Experienced Truckers' Advice' started by shatteredsquare, Aug 4, 2020.
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Sounds like belt issue .
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AC compressor clutch. If you can, pull the belt then check for excessive play in the pulley.
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ac comp clutch is rusty and floppy without even taking the belt off, belt is getting chewed up too. can you just replace the clutch without needing a new ac comp?
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Redtwin Thanks this.
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Agreed. Better to change complete rather than mess around trying to install clutch on the compressor hoping they fit etc.
It shouldn't be too expensive to get an auto AC repair shop to vacuum and recharge system. I would try a regular auto ac place as they will probably be cheaper than an apu specific repair shop. -
TK parts/labor are more expensive but they record them all by serial number, when it fails again within part warranty the new part is free, just pay labor
Redtwin Thanks this. -
TK won't replace just the ac clutch
ac comp is +/- $250 other places with (maybe) 1 year warranty, roll the dice...TK OEM is $400 with a mandatory 2 year TK system warranty. Call it $150 for the 2 year guarantee, $250 for the comp. the labor is obscene, in shop for ~3 hours, $622 in labor for PM, ac comp replace, and AC charge. this bill hurts, but from factory installed new to +8500 hours the ac hasn't been touched and has been chooching like a champ without a hiccup, 3.5 years worth of ice cold air over 36 months that's like
$40/month
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Termobyproducts.com has all the parts u could ever need for ur apu. Thats where i get all mine
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If it was me I would buy the $250 compressor, install it myself then get a vacuum and recharge from an auto ac place for $100ish.
No way I'm paying$600 labor.
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