1985-1998 [Subscribe to Daily Digest] |
I converted my 89 CD this weekend, with compressor replacement and it only
cost me $150. If your compressor is good then you could get the parts from Sobstory and the refrigerent from Walmart and do it for about $70 or so.
Here is the procedure if you or anyone else is interested:
1. Have r12 removed according to EPA spec.
2. Take compressor belt.
3. Remove compressor.
4. Take off oil plug and remove oil. Also turn the compressor wheel
to drain out excess oil in the compressor.
5. Add 2 o.z. ester oil to compressor. Replace and oil o-ring on oil plug.
6. Remove reciever drier and expansion valve
7. Flush hoses, evaporator, and condensor until clean with paint
thinner or brake cleaner. Run compressed air through the system
until no mist comes out.
8. Replace all o-rings and lube o-rings with ester oil or nylog.
9. Put in new r134a reciever-drier and expansion valve. Be sure the
temp probe on the expansion valve is secure to the evaporator exit
and covered in insulating tape. Install the reciver drier last.
10. Vacuum down system to 29.5 in/Hg for a couple of hours.
11. Add around 7-8 oz of ester oil to the low side of the system. I
used oil charge cans that also contain refrigerent so the 8 oz of
oil also added 8 oz of r134a
12. Add 32 oz of r134a (or 24 oz if you use oil charge cans) to the
low side of the sytem.
Tools required:
-Misc wrenches and sockets
-flush gun (purchased at ACsource.com)
-compressed air (I used a tire filling station)
-thermometer (purchased at ACsource.com)
-guages (purchased at ACsource.com)
-vacuum pump (purchased a used one from firstcash.com for $100, look
under tools-vacuum pumps. I bought an old 5cfm Ritchie. I have also
used a venturi style pump ($20-$50) these are ok but I am glad I bought
the pump I have, since I don't have an air compressor)
Also check the townsendimports.com website for more details on the
procedure. Feel free to email me with any questions if you decide to do
it. You could replace everything and let the AC tech vac down the system
and fill it up with r134a. A good place to also ask questions is aircondition.com.
Good luck.
Steve Sass
86 SPG
89 9000CD
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