Ac issues sc400 just serviced today
08-05-13, 11:49 PM
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Ac issues sc400 just serviced today
Today I had ac serviced on lexus sc400 1993.
Engine was swapped month ago from a lexus 95 . I knew car had leak before on ac 2 yrs ago but never fixed it.
There was no low pressure service valve anywhere after engine swap. I knew car had leak before on ac 2 yrs ago but never fixed it. I know low pressure valve must be on car to locate leaks and to fill freon.
Ac mechanic did leak test and decided to changed o rings on compressor, he rebuilt low pressure hose on compressor so it has a low pressure valve built on it and new hose , vacuumed ac refilled with r134 freon . Blowing cold air that was around 4 pm .....few hrs later ....
car will only blow cold air on MAx cold ....
If I adjust the temp to 65 or higher or reduce from max it will become hot air only!!!!
Any ideas....
Engine was swapped month ago from a lexus 95 . I knew car had leak before on ac 2 yrs ago but never fixed it.
There was no low pressure service valve anywhere after engine swap. I knew car had leak before on ac 2 yrs ago but never fixed it. I know low pressure valve must be on car to locate leaks and to fill freon.
Ac mechanic did leak test and decided to changed o rings on compressor, he rebuilt low pressure hose on compressor so it has a low pressure valve built on it and new hose , vacuumed ac refilled with r134 freon . Blowing cold air that was around 4 pm .....few hrs later ....
car will only blow cold air on MAx cold ....
If I adjust the temp to 65 or higher or reduce from max it will become hot air only!!!!
Any ideas....
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