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Username Post: AC System Question        (Topic#365484)
ampico-kid 
Contributor
Posts: 121

Reg: 07-12-17
06-10-21 03:23 PM - Post#2821448    

I'm replacing the compressor on my 63 Impala and have a question. I've read that it's always advisable to replace the Receiver/Dryer when you open the system to do any kind of maintenance. I see what I believe is the Receiver/Dryer in the front of the car next to the Condenser. My question is...what is the item pictured below with the yellow arrow, and do I need it if I'm already replacing the Receiver/Dryer? Thanks.









 


docjns1 
"2nd Year" Gold Supporting Member
Posts: 197
docjns1
Loc: upstate NY
Reg: 11-12-19
06-10-21 04:46 PM - Post#2821453    
    In response to ampico-kid

That's a muffler used to quiet pulsations from the compressor. If it's intact and you're not replacing the hoses I'd leave it. Generally you can do without but find you'll have some noise when the compressor is running.
As for the receiver/drier, absolutely replace it if you're opening the system, especially if it's older as it's filled with desiccant and will absorb any moisture in the air (some earlier ones actually had replaceable desiccant paks)

Steve
*********
'65 Impala SS, Crocus Yellow/blk
327 / 300 L74
M11 3 on the tree
12 bolt 3.31 open dif


 
junky 
Valued Contributor
Posts: 3708

Loc: Northeast CT
Reg: 06-27-10
06-10-21 06:27 PM - Post#2821457    
    In response to docjns1

I noticed that you have a replacement compressor on the car, and that it has been converted to R134. Difficult to see what other modifications that have been made to the air conditioning without more pictures. I also noticed that one hose has been changed, and whomever did that change, overtightened the clamp. The worm gear clamp should only be tightened to the point, where the rubber starts to protrude through the slits on the flats of the hose clamp. If it were my car, I would flush the entire system, replace all the clamps, have the expansion valve checked to make sure that it is working properly, and have the compressor cleaned and flushed, and refilled with mineral oil, and recharge with R12. Also at the same time, replace the receiver drier, or have that one rebuilt. If you put the system back to original, it will freeze you out of the car on the hottest day. I did this entire job last year on my 1962 wagon. The only thing that I didn't replace was the front compressor seal, and I am paying the price now, because the seal has failed, I lost all my refrigerant, and have to start over again. I knew better, but I was in a rush to get the car back together for a show. There are no short cuts to having a good reliable air conditioning system.

Never argue with an idiot. He'll drag you down to his level, then beat you with experience.


 
ampico-kid 
Contributor
Posts: 121

Reg: 07-12-17
06-11-21 06:52 AM - Post#2821476    
    In response to junky

Thanks for the information and replies. The system was working quite well until the front seal in the compressor started to leak, and that's what prompted the change to a new (rebuilt) compressor. At this point I want to have all of the supplies on hand when I have the work done on it.

The next question is where do I find a Receiver/Drier that is close enough to the original to fit and mount properly? Have looked around and am not coming up with much. The original is about 12"long and 2.5" wide. Seems like the width (2.5") is very critical because of the brackets and mounting.

Thanks.



Edited by ampico-kid on 06-11-21 07:04 AM. Reason for edit: No reason given.

 
pvs409 
"9th Year" Gold Supporting Member
Posts: 3211
pvs409
Loc: Sergeant Bluff, Iowa
Reg: 01-10-05
06-11-21 07:40 AM - Post#2821478    
    In response to ampico-kid

Old Air Products in Texas has rebuilding services and parts for original air conditioning.

Also Classic Auto Air in Tampa Florida rebuilds original units and parts for original air conditioning.

I have used both companies for my 62 factory air, they have update kits to make the original air work even better. Mine original 62 a/c will freeze you out .

Paul

57 BelairHT 283/270hp 4 spd
62 ImpHT 327/300 4 spd
62 Imp CV SS 327/300HP 700R4 (sold)
62 Imp HT SS 409/482 stroker 4 spd
62 Imp SS 409 - 5 spd Convertible
http://paulstensland.com


 
pvs409 
"9th Year" Gold Supporting Member
Posts: 3211
pvs409
Loc: Sergeant Bluff, Iowa
Reg: 01-10-05
06-11-21 08:03 AM - Post#2821481    
    In response to pvs409

take your pick two kinds from Old Air Products in Texas

https://www.oldairproducts.com/product/21-4214s-re...

https://www.oldairproducts.com/product/21-4214a-re...

I have the silver one on my 62's

57 BelairHT 283/270hp 4 spd
62 ImpHT 327/300 4 spd
62 Imp CV SS 327/300HP 700R4 (sold)
62 Imp HT SS 409/482 stroker 4 spd
62 Imp SS 409 - 5 spd Convertible
http://paulstensland.com


 
ampico-kid 
Contributor
Posts: 121

Reg: 07-12-17
06-12-21 08:04 AM - Post#2821523    
    In response to pvs409

Thanks for the information. Much appreciated.





 


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