Is this part commonly changed with compressor?
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, Is this part commonly changed with compressor? in Past Cadillac Vehicle Discussion; Have to replace the compressor (& dryer, orifice, o rings)... noticed this part: AC Delco 15-1492 Refrigerant Filter Should it ...
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    scooter500's Avatar
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    Is this part commonly changed with compressor?

    Have to replace the compressor (& dryer, orifice, o rings)... noticed this part:

    AC Delco 15-1492 Refrigerant Filter

    Should it be changed too?

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    Re: Is this part commonly changed with compressor?

    It is always a good idea to replace an A/C filter/dryer during service. Use the GM/Cadillac service manual for the proper system evacuation procedure, PAG oil checks, and total pounds of refrigerant refill. (2.2, I think)

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    Re: Is this part commonly changed with compressor?

    Quote Originally Posted by scooter500 View Post
    Have to replace the compressor (& dryer, orifice, o rings)... noticed this part:

    AC Delco 15-1492 Refrigerant Filter

    Should it be changed too?
    ---------------------
    YES - that is a particle filter -


    it protects the new compressor from sucking in debris -

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    Re: Is this part commonly changed with compressor?

    The system must have been repaired before because GM didn't include any refrigerant filters from the factory.

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    Re: Is this part commonly changed with compressor?

    Quote Originally Posted by basscatt View Post
    ---------------------
    YES - that is a particle filter -


    it protects the new compressor from sucking in debris -
    This is great - really helpful so thanks everyone. One more "straighten me out here" question... I have an orifice on order (GM AC Delco A/C Air Conditioning Evaporator Fixed Orifice Tube White 15-5151... possible my '95 Deville will need the "yellow" colored orifice... took a 3 dollar chance & ordered blind ). Anyway, is this orifice a different/separate part from the AC Delco 15-1492 Refrigerant Filter or do the do the same thing?

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    Re: Is this part commonly changed with compressor?

    Quote Originally Posted by scooter500 View Post
    This is great - really helpful so thanks everyone. One more "straighten me out here" question... I have an orifice on order (GM AC Delco A/C Air Conditioning Evaporator Fixed Orifice Tube White 15-5151... possible my '95 Deville will need the "yellow" colored orifice... took a 3 dollar chance & ordered blind ). Anyway, is this orifice a different/separate part from the AC Delco 15-1492 Refrigerant Filter or do the do the same thing?
    -----------------------
    is this orifice a different/separate part from the AC Delco 15-1492 Refrigerant Filter
    YES -

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    Re: Is this part commonly changed with compressor?

    Seems like changing a filter in the line is a good idea if the compressor failed, after the system is purged. Failed compressor may have dumped some debris into the system (?)

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    Re: Is this part commonly changed with compressor?

    True, but the system should be flushed of any debris. I really don't see much use for a filter. The orifice tube screen is so fine I always thought of it as a sort of filter. Besides that, the only debris that a filter would catch would come from a failing compressor anyway.

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    Re: Is this part commonly changed with compressor?

    The compressor hasn't failed, but is leaking the green-colored oil. I've heard of drying the line through suction but a flush is a new for me. I thought if a compressor went you were stuck and it was time to change the entire A/C set-up. What is the basic process for an AC flush?

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    Re: Is this part commonly changed with compressor?

    Quote Originally Posted by scooter500 View Post
    The compressor hasn't failed, but is leaking the green-colored oil. I've heard of drying the line through suction but a flush is a new for me. I thought if a compressor went you were stuck and it was time to change the entire A/C set-up. What is the basic process for an AC flush?
    -------------------
    The compressor hasn't failed
    then you do not need to flush the system -

    simply replace the leaking compressor -
    don't forget to add the correct amount of oil -

    I DO recommend replacing the receiver/dryer -

    the in-line filter protects the new compressor from debris -
    it's really cheap insurance -
    -----------------

    if a compressor blows - debris can be pumped through the system -
    you can flush MOST of the system -
    but you can not flush the condenser - so it would need to be replaced -

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    Re: Is this part commonly changed with compressor?

    Quote Originally Posted by scooter500 View Post
    What is the basic process for an AC flush?
    You need a flush gun/kit something like this to flush each line. The solvent is basically mineral spirits.


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    Re: Is this part commonly changed with compressor?

    Thanks, that a cool tool! I ordered the extra filter. Might as well with a new compressor going on....
    Quote Originally Posted by Ranger View Post
    You need a flush gun/kit something like this to flush each line. The solvent is basically mineral spirits.


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