Having problems with your 1995 Toyota Avalon ?

Toyota avalon A/C compressor cycles on and off to fast

\015 My Toyota avalon A/C compressor cycles on and off to often about every 40 seconds. I Tried to fill system with freon but i dont know what number to go by. when compressor kicks on the gage reads 45psi (last # in the blue section on gage), when it cuts off the gage goes down to 15psi (which is the center # of the green section of the gage) with an ambiant temperture between 65F and 75F. is this normal. oh and now the air comming out of the vents in side of the car is comming out cold now like it should be. so the little amount of freon i put in the A/C system made a difference but im worried more about the compressor cyceling like that. can you help me?\015 Posted / edited by AnonymousUser on : 22-04-2019

Answers :

Ok. If you are putting freon in a car from a can. It has stop. Leak in it and their are a small hole about the size of the tip of a ink pen. The stop leak will clog it up and starve the compressor of oil and burn it up. So the money you save diy in it will cost you a summer in a hot car or doing a costly pump job.
Not sure what the question is - but you have to have the compressor running to add freon.
Most times if it is low you have to jumper the low pressure switch to make the compressor run long enough to add freon.
Under normal conditions, low pressure should be 35-45psi and high side should be 200-300psi with the compressor and cooling fan running.
Repair Help & Product Troubleshooting for 1995 Toyota Avalon

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