Question about Chevrolet Corvette

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88 corvette how do i convert the r-12 to the 134a freon in my car what do i need to do to convert

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  • Jimmy Jarrett
    Jimmy Jarrett Jul 18, 2010

    great advise thank you

  • Jimmy Jarrett
    Jimmy Jarrett Jul 18, 2010

    thanks great advice

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  • Chevrolet Master
  • 6,927 Answers

Many things have changed ,on the change over to 134a.It is called retrofitting,It is a good idea,before you start,if you have not already,and the ac compressor is good,replace the dryer,and the orifice tube,and make sure the condenser is clear,disconnect the to the condenser,and use compressed air to blow threw the lies,into the condenser,and make sure it is clear,not restricted,then you will need a retro fit set of ,high,and low side fittings to screw onto the high side,and low side ports.The low side will be a 1/4 inch size thread,and the low side will be a 3/16 thread,now most retrofits are ready to screw on with valve cores in them,if so,remove the valve cores in the service ports on the car,before installing the retrofits.Then you will need to buy ester 100 to put in the ac system ,it is available in charge cans,use two.The nyou will need the 134a charge hose.Start off with a can of 134a freon,and when it is empty,use the oil charge(ester).Then go back to the freon,and then the oil again,and the rest of the freon,the system will hold about 4 cans of freon.The ester 100 neutralizes the r 12 residue left in the system.Changing the dryer,and the orifice tube needs to be done,if the dryer shuts down,it will cause a lot of problems threw out the system,and if the orifice tube is restricted ,the ac will not cool,so replace these ,I compel you to do so,so not to have any problems,If this was helpful,please let us know,and please rate,thank you.I will be here standing by if you need more ***.

Posted on Jul 18, 2010

  • 6 more comments 
  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jul 18, 2010

    If you have any questions,please ask

  • Jimmy Jarrett
    Jimmy Jarrett Jul 18, 2010

    the dryer is the same as the accumalator correct

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jul 18, 2010

    Yes this is so,,

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jul 18, 2010

    Are you going to evacuate the ac system?

  • Jimmy Jarrett
    Jimmy Jarrett Jul 18, 2010

    i am going to have it cleaned and vaccium pulled on the system

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jul 18, 2010

    I did not get any text,did you have a question?

  • Jimmy Jarrett
    Jimmy Jarrett Jul 18, 2010

    yes i am going have it cleaned and vaccium pulled on the system

  • Ronny Bennett Sr.
    Ronny Bennett Sr. Jul 18, 2010

    ok,that is a good idea,that is the smart thing to do,,please rate if this was at all helpful,and thanks again,

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