Volvo 740 & 940 Mechanical Climate Control (Standard A/C) to Electronic Climate Control conversion Brief History Electronic Climate Control,
butyl off with carby cleaner, and I even got it off my Burberry shirt without damaging or discolouring the fabric! Before you put the dash back, if y
connected to the back of the control panel, where the selection is made mechanically. On the ECC this is done electronically throug
attached, sealed with hot glue. Above : The vacuum hose plugged into the solenoid valve. Volvo actually mentioned in the Climate Control service bo
floor), the right dial is for setting the desired temperature, either in Celsius or Fahrenheit depending on the market. The interior temp. sensor
MCC and ECC. When I was finally convinced that the conversion is possible, I started collecting ECC parts whenever I came across them, on eBay and
The Conversion I started by removing everything on the dash, including instrument cluster, radio console, old MCC control panel, glove box... etc, th
the same type of 4-pin connector as the rear of the speedometer for late 740's and early 940’s so they’re not hard to find. This type of dome
Above : This was psychologically the worst part of the conversion. I was looking at that mess and thinking to myself "Oh my god, wha
Above : Modified blower fan housing, ready to be installed. The object in the foreground with lots of cooling fins is the power stage. I have also
clean out all the yucky, sticky, deteriorating black foam. A lot of it blew out through the vents a few years ago, but I vacuumed off what's left
quite stubborn and there isn’t a lot of room to work with. Both the servomotor and solenoid valves are fitted onto a metal pla
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