A/C Help......hot, hot, hot! - Defender Source
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  #1  
Old August 19th, 2006, 09:33 AM
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Barry
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A/C Help......hot, hot, hot!

'97 D90

A/C isnít working and hereís what I have so far - nice toasty air coming out of the vents, clutch on the compressor is not engaging and the auxiliary fan in front of the radiator isnít coming on. Both A/C fuses under center consol are good.

Any idea which (if any) of the relays behind the coin tray belong to the A/C (pic below)........or where the Compressor Clutch Relay is located? I see it on the schematics, but it doesn't mention location. Someone on D-web mentioned passenger side firewall - I'll look there this morning.

My guesses are the relay or the A/C switch may be bad......am I one the right trail? Would low refrigerant keep the compressor from kicking in?



HelpÖÖ.it was 103 yesterday!
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  #2  
Old August 19th, 2006, 04:19 PM
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Turns out it's a leak in one of the lines heading out of the condenser - anyone know where to get a new line?.........I can't find them online or in the catalogs of the usual suspects.
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Old August 19th, 2006, 06:56 PM
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Robert Ragland
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Quote:
Originally Posted by boulderbear
Turns out it's a leak in one of the lines heading out of the condenser - anyone know where to get a new line?.........I can't find them online or in the catalogs of the usual suspects.

Get ready for an odyssey rivalling the Lord of the Rings. Fortunately you don't have the Diavia unit in a '97. Perhaps it won't be that bad.

Looking back, I should have just junked my old unit and bought a Wynn kit from RDS. I replaced the compressor and reworked some other parts. The A/C still isn't very cold. Then again, nothing really works against the heat coming through the floor.
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  #4  
Old August 22nd, 2006, 06:44 PM
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SUCCESS

Found the leak

Took the offending line off

Stealership quoted $380 to replace the line (part only)

Local A/C shop welded two holes in the aluminum tubing, replaced the rubber tubing & correctly crimped it in place, replaced the O-rings and cleaned the whole thing up like new............$48

Very nice work and done in less than 2 hours!!

I put the line back on & charged the system..........all is cool in the cab!!!!

I would have gladly paid double..............don't tell them
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  #5  
Old August 22nd, 2006, 08:04 PM
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Mine just died too, but I have yet to inspect.

What was up with the compressor not engaging? Mine I think is acting that way.
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  #6  
Old August 22nd, 2006, 08:16 PM
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J. Landers
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it was probably a low pressure Freon kill switch...if there is no coolant in the system the compressor does not come on. I know it works that way on Disco and since I sold my 97 LE I can't go check, but I am sure that is the way it is on a 97 D90.
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Old August 23rd, 2006, 05:14 PM
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wicks, Irnas90 is right.........if there is not enough coolant the compressor clutch will not engage.
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  #8  
Old August 26th, 2006, 07:54 PM
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It was just the dash fuse! All cool again.
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