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The shop didn't say the pulley was smaller, other posts on Prime mentioned this. If the pulley and the clutch on the 91 Denso is the same as the 94+ Denso, then it makes sense for me to just order the 94+ that's already R134 compliant. My AC repair guy only said he doesn't suggest ordering one...

Apparently the pulley is smaller for the 1991 than the 1994. So I'd have to reuse my old pulley (does that also mean reuse the entire clutch??) If I buy the newer compressor. Or just get 1991 R12 spec compressor and pulley and change oil to use r134? Sent from my SM-G973U using Tapatalk

So you'd go with the 1991 OEM Fitment/R12 Denso 471-1421 and have the AC repair guy just do an oil change to make it work with the R134? He suggests this so that I get a new clutch and not re-use my old clutch Or go with the 1994+ Denso 471-1994 that is already R134 rated, and re-use my...

My AC Repair guy said to order the Desno 471-1421. This is 1991 NSX Oem fitment. This one is for R12 Freon, but he said he would just change the oil in it. Any input before I buy it? I totally get the larger CC, his point is that my clutch is 30 years old, why would I replace all of this and...

Got it. Thank you very much

Now I understand what you mean. My local AC shop suggested I not change my pulley if at all possible. They say it requires changing the housing for the pulley to match the compressor. You're saying only buy the denso 10PA20C Compressor without a clutch? And re-use my current...

Now I'm more confused. You're saying use Denso 10PA20C? When I search for that, I only get Mercedes fitment.

So now I'm a little confused. Looks like Denso 471-0355 works too? That's the part number on Rock Auto. But when you search for the NSX OEM Part number, it comes up with Denso 471-1174??? Need to replace my 1991 that already has R134 conversion. The Rock Auto part at...

So now I'm a little confused. Looks like Denso 471-0355 works too? That's the part number on Rock Auto. But when you search for the NSX OEM Part number, it comes up with Denso 471-1174??? Need to replace my 1991 that already has R134 conversion. The Rock Auto part at...

Does anyone know if the Denso 471-1174 AC Compressor with clutch that's for 94+ will fit on my 1991 with the newer freon conversion already done? Thanks! Sent from my SM-G973U using Tapatalk

So a 94+ compressor with clutch will work on my 1991 with new freon conversion? Anything else I should know when ordering a compressor? Thanks Sent from my SM-G973U using Tapatalk

I'm trying to find the part number for the compressor on my 1991. Does anyone know what it is please? Thanks Sent from my SM-G973U using Tapatalk

Ok, so I have my AC working again with new Condenser Fans. I was going to block off the center vent at the top behind where the NavPod normally goes. But I'm feeling cold air come out of the bottom of my center console. My "Mode" is set to vents only, not lower vents at all. And the air is...

My buddy and I managed to get them off. It was a matter of getting to the 4 bolts up through the front air ducts. He has pretty long and skinny arms, so wasn't too difficult for him to reach in there and get them off. We didn't use any extensions. Using a power screwdriver on the back side of...

Selling my 2 AC Condenser Fans. I just took them off my 1991. I believe the part numbers are 80151-SL0-A01 The Driver side fan worked perfectly without any issues at all. So working great. The Passenger side fan worked most of the time, but occasionally went out. If you hit it with a screw...

Thank you. I'm going to try blocking it off first. Most of the air is just wasting away behind the center console with my gauge mount. It's summer year round in Hawaii and so AC is needed year round, especially with our terrible traffic. Another Prime member here did the same thing and said...

Where is the location of the vent pipe opening I need to block? Thanks Sent from my SM-G973U using Tapatalk

:) Sent from my SM-G973U using Tapatalk

I need to find my sheet from Toledo Scale but I weighed in at 2745 lbs a few years ago when I had to get mine weighed for Hawaii DMV Sent from my SM-G973U using Tapatalk

Due to my gauge mount where the center vents/clock normally is, most of the air from my AC is just blowing/disappating behind my center console area. I just replaced my condenser motors and my AC is blowing cold. Based on another Prime member's suggestion, I want to block/tape off the entire...

This helps a ton. Thank you! Sent from my SM-G973U using Tapatalk

I'll try him. Thank you Sent from my SM-G973U using Tapatalk

I am doing this myself at the moment. I looked at pages 22-73 - 22-75 in the service manual while trying to get the motor out but don't see where it's possible. The front of the motor is connected to the fan blades, so you have to take the whole fan blades out somehow to finish removing the...

Do you remember if I have to remove the entire condenser and disconnected/bleed the AC lines? Or can I pull the fan motor and fan off the shroud without having to remove and disconnect the whole condenser unit? Thanks Sent from my SM-G973U using Tapatalk

Awesome. Thank you for the instructions!