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Ac compressor suction manifold damage-Need one

 
Old 06-23-2019, 05:13 PM
  #16  
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Ok. I just pulled the hose that canít be replaced with the engine in. Must be possible on the old cars due to less crap to maneuver around.
Took a couple of hours and I already had the exp valve out. Going to try to find a place to rebuild it. You twist it and it rotates so needed a fix.





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Old 06-23-2019, 05:16 PM
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New pressure valve ( goes in dryer) on the left. Old one had rust inside and was for r12
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Old 06-23-2019, 10:00 PM
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Greg Brown has a kit to repair that particular hi pressure line give Mary a call on monday she will get you fixed up,
its easy to weld once its out of the car
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Old 06-23-2019, 10:13 PM
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Old 06-23-2019, 10:46 PM
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Originally Posted by Mrmerlin View Post
Greg Brown has a kit to repair that particular hi pressure line give Mary a call on monday she will get you fixed up,
its easy to weld once its out of the car
Itís about $200. Any less expensive ideas?
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Old 06-23-2019, 10:48 PM
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Originally Posted by SeanR View Post
I use Nylog on all the o-rings also.

https://www.amazon.com/s?k=nylog&ref=nb_sb_noss_2
Thanks. I just ordered it. I was just using pag46 on them
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Old 06-24-2019, 01:10 AM
  #22  
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Originally Posted by SeanR View Post
I use Nylog on all the o-rings also.

https://www.amazon.com/s?k=nylog&ref=nb_sb_noss_2
Thank you for mentioning that.
I'd never come across nylog before, even as an EPA 409 licensed mobile AC tech, but not an active professional in the trade.
One bottle in the shopping cart!
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Old 06-26-2019, 10:10 AM
  #23  
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Had the evaporator to dryer hose rebuilt for $70. Iíll see if I can get it back in



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Old 07-11-2019, 05:11 PM
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I put the oil and 24 oz of R134a in high side at the dryer with vacuum only and car off. No leaks. I then started the car to try and top off through low side and couldnít get the compressor to come on. I had no power at freeze switch so I pulled the control head and am going to upgrade the relay. I noticed the fingers that touch the slider were not making contact so I bent them down. Now the compressor comes on but it blew the 2 amp fuse I had installed at the freeze switch. I have 4 amp ordered. Going to try again tonight to get the rest of the Freon in. Exciting. System has been dormant for who knows how long
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Old 07-11-2019, 08:40 PM
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good news progress!
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Old 07-11-2019, 09:59 PM
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I have all the Freon in now and the manifold gauges showed 300 high side and 50 on the low side. Compressor is on and I jumpered the aux fan to get it on. I have only super hot air from vents. Any thoughts? I put a 5amp fuse in the freeze switch in line fuse holder for now till my 4 amp comes in. It didnít blow that fuse this time.
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Old 07-11-2019, 10:29 PM
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My dryer sight glass had more white in it before I added the last of the Freon. Now itís more clear. The driver side line on exp valve is cold and has moisture on it. The other (passenger side) is hot. Compressor is engaged. Maybe my control head needs work .


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Old 07-12-2019, 05:29 PM
  #28  
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Originally Posted by SeanR View Post
I use Nylog on all the o-rings also.

https://www.amazon.com/s?k=nylog&ref=nb_sb_noss_2
Be careful with this stuff or just use refrig oil. It gums up in the fittings your trying to feed Freon through. I would not recommend it
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Old 07-13-2019, 09:24 AM
  #29  
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I do have a newish heater valve that is working but I went ahead and did the Porsche 928 HVAC Modification for summer/winter where you change the vac lines around under the hood. Now I have cold ac. Could be colder. My central flap starts out open and then it closes after about 30 seconds. I need to find out if I have problems with ac head unit. The original relay is working and I have the replacement but I donít know if I should put it on the head unit or mount it by the jump post. Donít know about the di


ode recommendation if I do that. Also I donít think my dash temp sensor is on. I need to check that and the outside one. But I do have ac so thatís a big relief
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Old 07-13-2019, 11:03 AM
  #30  
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Hereís my new relay. Old ones top cover is on the left. Guess itís the right one?
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