85 TD A/c problem
I thought I was so smart, tracing and fixing the a/c problem on my 1984 TD. Then I realize my 85 TD has a different system; a Klima system.
Replaced compressor, receiver-dryer and clutch - all were bad. New switches in the receiver -dryer. Mechanic pulled a vacuum and cleaned out the system and recharged with R134. A/c ran fine for a while now won't come back on. He suggests the Klima relay under the fuse box. $240. My question: Which socket contacts on the Klima relay can I jumper to engage the compressor clutch as a test? Does the 85 TD have a climate sensor unit behind the glove box, like the 84, or is all that stuff on the Klima board? Any other suggestions? |
There is a temperature controller and fan speed controller behind the glovebox.
I put an '83 engine/tranny in my '85 car and after that the compressor would not come on. There are a couple pins that you can "jump" at the Klima to make the system work. I have been advised by a very knowledgeable forum member against running this "jumper" permanently because I may mess up the pushbutton unit. I have a good, spare pushbutton unit so I'm not too worried about messing up the one I am currently running. I will post which pins I jumpered later but you will be doing it at your own risk. I did it a few months ago and have not had any problems since. |
On the 1985 car, does the tachometer work? IF not then the "klima" relay won't turn the compressor on either.
That car has an over-voltage relay to power up the EDS computer that processes the flywheel speed sensor. |
hmmm, interesting on the tach. Mine does not work.
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The tach has never worked, but the Klima came on when the new system parts were installed and the system recharged. I would be very interested in learning the pin jumper technique, especially since the a/c season only has two months to run.
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Here is the link
http://www.peachparts.com/shopforum/tech-help/66197-c-rpm-sensor-bypass.html?highlight=Klima
I posted the pins I jumped here. Two small strands of copper is all it takes. |
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