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Re: 94 VT Diablo Airconditioning Compressor
I put a new one in my 92 Diablo, had trouble with part #s. So what I did was called the manufacturer, its a Sanden 7 piston, they are all the same as long as you get the correct pully on it. Then you need to change the head off the back, just like 6 bolts, then all the plumbing is correct. That way its only a couple of hundred bucks as opposed to 1500 from lambo.
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After looking at the wiring diagram, it looks as if you have a A/C relay that is powered by the 30 amp fuse, try disconnecting the A/C compressor's wiring harness at the compressor after the fuse is replaced, then crank the engine and turn the a/c again, if the fuse does'nt blow this time, your A/C compressor may be drawing to many Amps.
HI, The airconditioner turns on the auxillary fan when the compressor is on
via a relay. I would change the relay. If hard wired the fan to
the compressor I would think the fuse has blown since there is too much
of a load on one circuit. Check to A/C fuse. If the fuse is no good replace it.If it is not the fuse, check the fuse under the HOOD..
Please post back for how things turned or for further assistance..Thank you!..Regards!!..
Hi, I'm in saint peters Mo and look forward to helping you are you can give me a call 314-374-5218.
If you are using a charge can if will not go into the vehicle unless the compressor is running. The vacuum from the compressor running is what draws the freon into the system. Look and see if the compressor is running if it is in fact running then you could have a restriction in the system. If it is not running there are a lot of things that can happen that will not allow the clutch on the compressor to engage. If you like give me a call and I help you get your A/C working. Hope this helps and have an awesome day, my name is Allen by the way.
when you turn on the a/c does the compressor start turning?...find the compressor, and you will see its pulley turning all the time..but when it kicks in, you will see the inner part turn as well, you should hear it click when it goes on.
if it doesnt turn, could be low on refrigerant, or maybe your fuse is bown?
Can you please tell me how thus it does not work?
When you turn on the airconditioning, did you hear some clicking sound from the engine, which will activate the compressor?
Tell us more.
There are lots of parts that connected to the A/C system and we are happy to guide you to determine and fix the problem.
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this could be as simple as needing a charge. mobile air conditioner systems leak freon. It is just the nature of the beast. It is attached to the motor which moves and the car body which is fixed. It doesn't have a chance. there is a low pressure switch that protects the compressor if you lose too much freon and that could be why the compressor is not coming on. Freon cost a shop a little over $3 a pound when bought in bulk and labor is about a half hour. Look for a small independant that can do a/c for the best price. If this helps please reply and good luck
Problem is in the a/c circuit. Any time the defrost is on the a/c compressor will cycle on & off as it is used to dehumidify the air directed to the windshield. That's why the fuse can blow even in defrost mode.
Unplug the power connector at the a/c compressor and see if the fuse still blows. If not, then with a dmm or vom test a/c clutch winding for short. If ok, then test clutch diode for short. The diode is usually mounted at the clutch winding, but I've seen Chevy's with a diode that plugs into fuse/relay block under the hood. I have replaced these so don't overlook it.
If fuse blows with compressor unplugged then first check circuit between compressor and a/c relay (power side) for a short. It's possible for the wire to rub a bare spot in the insulation along it's travel along the block, bracket or manifold to the compressor. If ok, then test from relay (winding side) back to switch.
the heater core lines are under the dash and when it starts leak i will flood the floor board. does the ac shut down even if you are running it on recirculate and on fresh air. it may be the compressor clutch. if that hasn't been replaced yet.