I recently purchased a new 2005 RX330. Within a few days, upon starting the motor I heard a groaning sound. Also, upon using the AC, the groaning got louder. The dealer checked the vehicle and said it needed a new compressor. It's under warranty but I don't like it because it's brand new. I don't believe a new vehicle with a few hundred miles should need such a repair/replacement.
I'll let you know how it turns out.
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The service records for ours show that the technician pulled TSIB AC002-04 and performed the TSB because he found that it was needed. not exactly sure what was done - but the parts were only $38.95 (protector, cooler and clamp)..Ours doesn't make the sound all the time....it seems like it's mostly when we have been driving at highway speeds and then slow down to a stop sign...
the correction was listed on our service bill as TSIBAC002-04 OPAC4001 T1-91 T2-40 OPN88892-OE010 (whatever all that means!)