Vehicle & Technical > Discovery
Air Con Issues
Lewis Bernard:
Hi guys, relying on your expertise here!
have a 300tdi 1998 Disco and after not using the air con all winter and needing it the last week or so, it doesnt work anymore, typical!
nothing happens when the switch is pressed, no drop in revs, the electro magnetic clutch doesnt kick in on the compressor and the electric fans infront of the radiator don't work - relay/fuse problem???
does anyone know where the suposidly 3 fuses are located (is there a sneaky in-line one somewhere)? and where the realys are located? i have found 1 relay under the passenger kick plate but i gave up as it is far too late!
any ideas welcome!
cheers
lewis
winchman:
Could be low on gas and the LP switch is holding it off.
You should use your air con all year round.
thermidorthelobster:
I've just learned that. Mine is being repaired at the moment, one of the pipes chafed through apparently.
petergalileo:
--- Quote from: "thermidorthelobster" ---one of the pipes chafed through apparently.
--- End quote ---
I bet its the one from the evaporator at the front running under the expansion tank, thats a common one, corrodes through where the clip holds it to the inner wing. Aluminium pipe held on with a steel clip with some poor rubber to keep it apart, very poor. Pipe price is over £130 ! I go a hydraulic company to make one up for me, its a bit bigger but a lot thicker metal and it sits in the air 1/2 inch above the wing now !
Its either out of gas, busted pipe, pressure sensor wire is loose or off or corroded.
If anyone has the following symptom - Air-con works with a cold engine and runs for a couple of minutes then wont work at all - Check if the air-con switches off when the fans at the front cut in, if it does then the inline diode behind the fusebox cover has failed or broken.
Lewis Bernard:
ok, so where would the best valued place be to fix it in SW London/Surrey be??? rather not take it to a stealership!
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