Question about 1998 Chrysler Town & Country
The a/c clutch relay is working but the clutch isnt engaging. I dont have any schematics and trying to pinpont if it possibly the cycling switch, 3 wire switch between the txv and compressor. About a year ago I had replaced the txv, dryer and evaporator due to it leaking. I didnt know they held so much and didnt charge it fully. It is no fully charge from what my gauges are telling me but will not kick on??
Did you try jumping where the Clutch relay plugs into the fuse/relay box ? Pin 87 & 30 are the compressor clutch coil power supply . If you look on the bottom of the relay you will see four set's of numbers 30 & 87 , 85 & 86 . If you take a piece of wire an jump 30 to 87 this will send B+ voltage to the clutch coil engaging the compressor . Is the PCM turning on the relay ?
The Trainer 40 When the compressor won compress
Posted on Jul 29, 2017
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Posted on Jan 02, 2017
Sounds like it in the switch or the electrical plug at the switch.The electrical plug could be burnt and need repairing or replacing. Need to remove the dash fascia, Careful not to damage clips. If the cover has no visible screws or bolts, then it clips into place. Unbolt heater controls and pull contol forward. Not a fun job but with patience you should be ok.
Posted on Mar 11, 2009
whenever the ac system has been opened it should be hooked up to a vacuum pump designed to evacuate the ac system of any foreign debris and oil etc and after should be able to hold a vacuum to show that there are in fact no leaks then if all is ok at this point you can then charge your ac with the proper freon specified for you car when the pressure reaches satisfactory level the ac compressor will then cycle on you should not bypass the low pressure switch
Posted on May 30, 2009
low side should never read 110 means it was overcharged. normal readings are about 30-50 lbs on the low side. the pressure switch reads high and low if the pressure gets high it turns on the compressor low shuts it off however the high side also has a pressure switch if it gets too high it shuts off the compressor. **** down the system and pull it into a vacumn start the vehicle and put the ac on full blast. then charge it with freon on. no matter what the ac system will take some freon to turn on the compressor. but make sure that expansion valve is the right one that matches up to the old valve there are too many valves that dodge has made that part stores get them mixed up with another vehicle that has different features.
Posted on May 30, 2009
The problem turned out to be a blown fuse labelled EBL Clutch, located in the instrument console (side panel in the dashboard next to steering wheel on a RHD model).
I downloaded the manuals of the Neon and it advised a sequence of checks to be done:
1. Test High Pressure switch located on compressor - check that the switch w/o/ cable gives a closed reading, then test with bypass in cable.
2. Test Low pressure switch located on accumulator, ( I could not find this switch). Bypass of this switch should engage the compressor clutch
3. I discovered the blown fuse when trying to activate the rear window heater and saw that the light on the switch did not activate - went looking for the fuse for this device and then found the EBL Clutch, really by accident. Shows you how confusing an abbreviated label on a fuse can be and that it does not always support the significance of it.
1. A/C compressor cannot run non-stop and must be controlled by the A/C controller. Hard wiring the clutch and running the engine for a few minutes led to the compressor shuddering and then discharging some gas through the saftefy valve. Normally this power supply would have been interrupted by the high pressure valve.
2. Release of coolant gas from the high pressure safety valve located on the compressor may indicate a faulty high pressure switch, but the primary or underlying reason may be due to a blocked Dryer in the A/C system.
3. The Daimler Mercedes Neon Agents, and an A/C company and an auto electrical company all attended unsuccessfully to this problem. No discredit meant in any way, it just shows that the incorrect label here makes solving such an ordinary problem very problematic. If any advice can be given to the Agents, read the manual.
Posted on Dec 24, 2009
you need new ignation switch
Posted on Jan 10, 2010
Testimonial: "everything works after replacing the switch - it seems all it was a piece of plastic missing on the tip of the switch - thanks"
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