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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    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....

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    Re: Is this part commonly changed with compressor?

    Quote Originally Posted by basscatt View Post
    -------------------
    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 -
    Basscat, et al:
    My compressor failed and there is metal in the orifice tube. I am planning on replacing the compressor, condenser, installing a high side in line filter, and installing a new accumulator/drier. I was curious about the suction side filter but the ones I've seen are the ones with barbed ends. But the one called out in this thread has threaded ends. I was also looking at the small 'thimble' shaped screen (Brand = Airsept) that gets press fit into the inlet of the compressor and I am curious about what you think about them and their effectiveness.

    I met with a auto shop owner this afternoon in AZ and he cautioned against using the suction filters that require you to cut into the hose to install. Said that they all leak, and when the do, they take a lot of the oil with the leak and eventually cause the compressor to fail. So he doesn't install them for that reason and because of the leaks causing call backs. But the threaded one described here, how is that installed? I like the idea of having a filter on the suction side to protect the compressor, but don't want to cause more problems than it solves. I have heard that the accumulator/driers have a screen at the bottom to knock out debris. So if the evaporator was flushed, a new accumulator/drier installed, and the line to the inlet of the compressor flushed, would that catch most of the debris? A former GM tech that I spoke with this weekend said flushing is partially effective but not totally effective because the viscosity of the pag oil can cling to the inside of hoses and hold onto metal particles like a magnet. When the R134a (solvent) is added, it frees up the metal to go where it wants.

    Thanks for any experiences you may have.

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    Re: Is this part commonly changed with compressor?

    I was curious about the suction side filter
    but the ones I've seen are the ones with barbed ends.
    correct - the ACDelco 15-1747 is the one I recommend -

    $36.82 - with free shipping -
    http://www.amazon.com/gp/product/B00...=ATVPDKIKX0DER

    I met with a auto shop owner this afternoon in AZ
    and he cautioned against using the suction filters that require you to cut into the hose to install.
    Said that they all leak,
    one word - HOGWASH -
    when PROPERLY INSTALLED - they are the most effective -
    and I can't ever remember one leaking -

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    Re: Is this part commonly changed with compressor?

    Quote Originally Posted by basscatt View Post
    I was curious about the suction side filter
    but the ones I've seen are the ones with barbed ends.
    correct - the ACDelco 15-1747 is the one I recommend -

    $36.82 - with free shipping -
    http://www.amazon.com/gp/product/B00...=ATVPDKIKX0DER

    I met with a auto shop owner this afternoon in AZ
    and he cautioned against using the suction filters that require you to cut into the hose to install.
    Said that they all leak,
    one word - HOGWASH -
    when PROPERLY INSTALLED - they are the most effective -
    and I can't ever remember one leaking -
    Thanks Basscat, I have been corresponding with Rodnok and he has had good luck with the inlet filter as well. I think I will go that way as good insurance for the compressor.

    Appreciate your insights and experience.

    ----------

    Basscat, one other thing, what kind of clamps do you use on the suction line filter? I was thinking about using Oetiker clamps and didn't know if you had a better alternative to consider.

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