GM Genuine Parts 15-2962 Air Conditioning Clutch Cycling Switch
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Because it's a two-wire connector, it's unlikely to work without some tweaking.
Yes, it was compatible with my R-model 1998 K1500. 134a
If the low side pressure falls below around 26 PSI, this switch (which is not a relay) opens the contacts. If the compressor is low on refrigerant, the compressor will be protected from running without the refrigerant returning oil. To keep the evaporator from freezing, it also cycles the compressor. The compressor will run continuously if the temperature is high enough. If the temperature is 45 degrees and the blower is set to low, the compressor will cycle frequently.
No, this is not the correct switch for your Silverado; the switch will work, but the connector will not. Four Seasons part number 37308 is something I'd recommend looking into. Examine the photo of the switch and compare it to your application, which should have an oval connecting plug rather than the round one shown on this part; these switches do fail, but not frequently. They're frequently replaced as a result of other system issues that result in low suction pressure. Low refrigerant is the most likely cause of your system cycling the compressor clutch. It will not come on at all if the refrigerant level is extremely low. To prevent the system from freezing, these are designed to turn off the compressor when the pressure drops below 12 to 15 PSI. The pressure on the suction side rises after the compressor shuts off, which causes the compressor to turn back on and repeat the process. The system is known as CCOT (cycling clutch orifice tube) and is found in many American cars and trucks built after 1975. Thermal expansion valves are used in a variety of configurations in high-end and many foreign cars to keep the compressor running while still controlling the refrigerant flow. Because clutch cycling is inconvenient on small engines, the TXVs are used.
Selected User Reviews For GM Genuine Parts 15-2962 Air Conditioning Clutch Cycling Switch
I did this twice, once on my 97 Chevy Dually and once on my 99 Chevy Tahoe.
On my 1998 Chevrolet Silverado 5, I used this to replace the low-pressure clutch cycling switch. 7l. It can be found near the passenger side firewall on the Accumulator. This is a common failure on many GM air conditioning systems, according to what I've read. It is simple to change out. Disconnect the power supply; Remove the switch, replace it, and plug it back in with a 5/8" wrench. If there is no low pressure, your air conditioner should cycle now. I didn't change the o- Some "experts" suggest that the ring in the hole should be replaced. When you take the switch out, you'll notice a shrader valve in the hole that keeps the r134a from leaking.
My A/C problem was resolved as a result of using this method. I would have given it five stars if it didn't lack a new o-, as others have pointed out. seal with a ring However, you can find something that will work for $0. 50 at a parts store. Apply a small amount of oil to your o- Before putting on the fitting that comes out of the Drier/Accumulator, ring it.
I prefer to use Delco OEM parts whenever possible. I was disappointed that it did not include the necessary rubber bushing. I had to go to the auto parts store and purchase a bushing kit as well as r-plates. 134A, re- The use of the old one resulted in a slow leak of coolant. Happy that it fixed my AC system for under $20; however, I was disappointed that it cost me 6 times as much as the part to buy coolant and an automotive seal kit because it didn't include the necessary seal!.
My air conditioner is working perfectly again after a 5-minute job.
My trustworthy mechanic advised me to purchase and test this first. They said they went out all the time, and it turned out to be true. My 98 Suburban's air conditioning stopped working. My trustworthy mechanic advised me to purchase and test this first. They said they went out all the time, and it turned out to be true. It's a simple fix that's also very affordable!.
I've been buying other brands and replacing this part once a year for the past few years. If I had purchased ACDelco, I might not have had to replace it more than once. Gradually, I've returned. These components are more expensive, but I'm sick of replacing them every year or two.
The part was exactly as described and performs admirably. The problem was that the ac compressor would not turn on, despite the fact that it was fully charged.
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