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What kind of refrigerant does a 1999 Lexus GS 400 use
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drg     Reply with quote
l wanna see if l can replace it myself and if anyone out there knows if it can be done by myself. But l first need to know what kind of refirgerant it uses....suprisingly, l cant find it anywhere online..
Star     Reply with quote
R134A
if you do not know or have a licence to charge it leave to to someone that does
Clone     Reply with quote
most cars that year is fitted with R134-A refridgerant
Doctor     Reply with quote
R134-a.
You can recharge it yourself with a $25 to $30 kit that includes a gauge. But you wo not be able to evacuate the system if you have to. The system also needs special A/C oil once in a while.
Coach     Reply with quote
R134a,use on all vehicles as early as 1992.when the phasing out of R12 began.
Kim     Reply with quote
It uses R134a. You can get a kit at wal-mart or at all auto parts stores. Why r u replacing the freon? Is ur a/c not working? Freon is not like ur engine oil, it does not not need to be replaced unless there is a leak. When there is a leak, freon leaks out of course & it also puts contaminants & moisture in the system. If that is a case, you're gonna need more than just freon, changing out the drier(ac is filter) is highly recommended or u might lock up the compressor.

In a perfect world, the freon is supposed to be in the system forever. Imagine a fridge or a freezer, it has freon in there too & it might last up to 20-30 years, same theory in a car.

If ur a/c is not working correctly, u should get it checked out at a shop. It might have a leak somewhere or it could be a electrical problem.
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