I've got a 1987 300D turbo and the original air conditioning system does not work. I've taken it to 2 shops to have it looked at. Both of the say they can't even diagnose the problem because of the original R12 system. Is this true?

They also tell me it would cost $1500-$2000 to convert it to a new system.

What are my options?

1987 300D turbo
The original R12 air conditioning system does not work.

I've taken it to 2 shops to have it looked at.

Both of the say they can't even diagnose the problem because of the original R12 system.
Question: Is this true?

Answer: NO.

Question: They also tell me it would cost $1500-$2000 to convert it to a new system.

Answer: False = scam.

Question: What are my options?

Answer: Here are links with more information than you will ever need to DIY this job.

Climate Control:
http://www.peachparts.com/shopforum/showthread.php?t=142408

R-12 alternatives
http://www.peachparts.com/shopforum/showthread.php?t=63919




Have a great day.

__________________
ASE Master Mechanic
asemastermechanic@juno.com

Prototype R&D/testing:
Thermal & Aerodynamic System Engineering (TASE) Senior vehicle instrumentation technician.
Noise Vibration and Harshness (NVH).
Dynamometer.
Heat exchanger durability.
HV-A/C Climate Control.
Vehicle build.
Fleet Durability
Technical Quality Auditor.
Automotive Technical Writer

1985 300SD
1983 300D
1984 190D
2003 Volvo V70
2002 Honda Civic

https://www.boldegoist.com/

Glad you checked here before they got to you...
Listen to WHunter...

__________________
1980 240d ,

chain elongation, cam marks reference:
http://www.peachparts.com/shopforum/showthread.php?threadid=10414

http://www.peachparts.com/shopforum/diesel-discussion/305365-9-degrees-chain-stretch.html

evap fin cleaning:

http://www.peachparts.com/shopforum/showthread.php?t=156207&highlight=evaporator

A/C thread

http://www.peachparts.com/shopforum/diesel-discussion/297462-c-recommendations-mb-vehicles.html