How To Recharge A/C Ourselves?
08-15-18, 10:36 PM
#31
Pit Crew
My A/C is not working at all. The pump does not engage. I'll finally get a chance to start checking that out this coming weekend. Where is the "Ambient temp sensor" typically located? I cant currently check it via the readout as my LCD is completely blacked out and my new replacement one hasn't arrived yet.
I have a JDM 89 Celsior, so presumably its going to be in the same position as the 90-92 LS400
Thanks.
I have a JDM 89 Celsior, so presumably its going to be in the same position as the 90-92 LS400
Thanks.
08-15-18, 11:57 PM
#32
If the system is empty the compressor will not come on. So how do you think you get it to come on? Yes you initially charge the system, and it will take a partial charge with the compressor not running, do you know why? Because you first pull a vacuum on the system. After it is partially charged then the pressure sensor will let the compressor come on and then fill the normal way.
08-17-18, 07:16 AM
#33
If the system is empty the compressor will not come on. So how do you think you get it to come on? Yes you initially charge the system, and it will take a partial charge with the compressor not running, do you know why? Because you first pull a vacuum on the system. After it is partially charged then the pressure sensor will let the compressor come on and then fill the normal way.
08-21-18, 01:25 AM
#34
Pit Crew
Something Interesting I thought I might add. I just did a bit of searching on the web and some experts (not just one) say you CAN mix R12 and R134. On the face of it it looks like its the OILS that may not be compatible.
Apparently you can use R134 to top up your R12 system cheaply. Just dont get the R134 with Oil for that job.
Unfortunately in Australia, we are regulated to the hilt regarding A/C. Anyone without the appropriate licenses cant purchase anything to do with A/C repair/re-gassing equipment or supplies.
It's also well known that LPG (Propane) can be used as an A/C Coolant, and its better at it than R12 or R134.
Just a small matter of the fact that its somewhat flammable! However, the A/C does not hold much Gas, and its a closed system. I would think that the cars that run LPG (basically an open air system) would present far more of a risk.
Just my 2 cents worth, and no, I'm not an expert and have virtually no experience in A/C.
If I'm wrong somewhere here, please correct me. Thanks.
Apparently you can use R134 to top up your R12 system cheaply. Just dont get the R134 with Oil for that job.
Unfortunately in Australia, we are regulated to the hilt regarding A/C. Anyone without the appropriate licenses cant purchase anything to do with A/C repair/re-gassing equipment or supplies.
It's also well known that LPG (Propane) can be used as an A/C Coolant, and its better at it than R12 or R134.
Just a small matter of the fact that its somewhat flammable! However, the A/C does not hold much Gas, and its a closed system. I would think that the cars that run LPG (basically an open air system) would present far more of a risk.
Just my 2 cents worth, and no, I'm not an expert and have virtually no experience in A/C.
If I'm wrong somewhere here, please correct me. Thanks.
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