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Interesting AC clutch problem --

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Old Mar 24, 2019 | 12:32 PM
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Default Interesting AC clutch problem --

Sorta expect I'm heading to an AC compressor replacement job, but thought I'd check in here first.

I have what sounds like a compressor clutch bearing failure on my 2004 coupe -- lots of mechanical rattling noise when the clutch is disengaged, silent when engaged. AC works well (can't complain after 15 years and 58K hard commuting miles). When I went to remove the 13 mm nut to disassemble the compressor clutch, the threads stripped *on the shaft* -- the nut now spins freely, but it cannot advance off of the shaft.

My question: Is the shaft separate from the compressor shaft, or the same shaft (I expect the same)?

The reason I ask is that if the clutch shaft is separate, there may be a chance I only have to replace clutch assembly. If it is the same shaft, it's new compressor time (and in fact the entire system, as I'll "do it right" and replaced the condenser, accumulator and orifice tube, and flush the system before reassembly).
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Old Mar 24, 2019 | 09:49 PM
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Originally Posted by mneblett
Sorta expect I'm heading to an AC compressor replacement job, but thought I'd check in here first.

I have what sounds like a compressor clutch bearing failure on my 2004 coupe -- lots of mechanical rattling noise when the clutch is disengaged, silent when engaged. AC works well (can't complain after 15 years and 58K hard commuting miles). When I went to remove the 13 mm nut to disassemble the compressor clutch, the threads stripped *on the shaft* -- the nut now spins freely, but it cannot advance off of the shaft.

My question: Is the shaft separate from the compressor shaft, or the same shaft (I expect the same)?

The reason I ask is that if the clutch shaft is separate, there may be a chance I only have to replace clutch assembly. If it is the same shaft, it's new compressor time (and in fact the entire system, as I'll "do it right" and replaced the condenser, accumulator and orifice tube, and flush the system before reassembly).
That is the compressor shaft. It's not separate shafts. Are you certain it is stripped and you're not just turinng the shaft with the nut? There are some special tools needed to do this that hold the clutch and plate while you remove the nut.

https://www.corvetteforum.com/forums...placement.html

Last edited by Ed Ramberger; Mar 24, 2019 at 10:00 PM.
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