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  1. Join Date
    Oct 2010
    Posts
    10
    #1
    [SIZE=4]good day po
    i recently purchased a 89 l300,gas po ito
    when we were inspecting the van before buying we tested the ac,it was working kaso mahina ang lamig
    so after buying it we drove it home not turning on the ac kasi wala din naman lamig
    the next day my wife brought it to our local ac tech and nilagyan lang ng freon(charged her 800 pesos)and malamig na
    the problem is everytime na ginagamit nya ang van at naka on ang ac ay namamatayan daw sya at a certain point,sometimes kailangan padaw itulak.pag di naman naka on ang ac e di naman namamatay
    can anybody suggest something or anything,im running out of my wits
    any help will be highly appreciated
    [/SIZE]

  2. Join Date
    Nov 2009
    Posts
    456
    #2
    You may want to have the aircon system checked/cleaned as it may be putting too much load on the engine when engaged. Have the idle up device (this causes the rpm to increase when the aircon compressor is turned on) inspected as well.

  3. Join Date
    Feb 2008
    Posts
    5,179
    #3
    tingin ko, mahina charging system. patignan mo yung alternator.

  4. Join Date
    Oct 2010
    Posts
    10
    #4
    ty po

  5. Join Date
    Oct 2010
    Posts
    2,639
    #5
    L300 gasoline '90 model user here, as what CivicVTi suggested.... yes, have the idle up device(actuator) checked if it's working.
    if the actuator fails, posibleng mag-choke/mamatay nga yung makina pag nag-AC lalo na pag naka-idling sya dahil hindi na kaya ng makina yung load ng compressor with the aircon switched on.

    nagpalit na po ako nito kailan lang, factory installed pa yung pinalitan kong actuator.
    you can get this actuator at any decent suking auto supply around 150~250 pesos.

    check your accelerator cable also, baka sticky na sya...apektado din yan pag gumagana na yung actuator/idle up system, you can almost feel the the idle up's slight pull at your accelerator pedal everytime na mag-eengage yung compressor pag naka-idle ka.
    pinalitan ko na din 'tong sa amin. any replacement model will do also here.

    hope it helps....

  6. Join Date
    Oct 2010
    Posts
    10
    #6
    Quote Originally Posted by benchman View Post
    L300 gasoline '90 model user here, as what CivicVTi suggested.... yes, have the idle up device(actuator) checked if it's working.
    if the actuator fails, posibleng mag-choke/mamatay nga yung makina pag nag-AC lalo na pag naka-idling sya dahil hindi na kaya ng makina yung load ng compressor with the aircon switched on.

    nagpalit na po ako nito kailan lang, factory installed pa yung pinalitan kong actuator.
    you can get this actuator at any decent suking auto supply around 150~250 pesos.

    check your accelerator cable also, baka sticky na sya...apektado din yan pag gumagana na yung actuator/idle up system, you can almost feel the the idle up's slight pull at your accelerator pedal everytime na mag-eengage yung compressor pag naka-idle ka.
    pinalitan ko na din 'tong sa amin. any replacement model will do also here.

    hope it helps....
    it does sir salamat po
    basta po ba nagpunta ako ng auto supply sasabihin ko lang po ba e actuator?iba pa po ba yun sa idle up?
    magkano po mileage nyo sir?
    at yung sa inyo po ba e hindi rin power steering?

  7. Join Date
    Oct 2010
    Posts
    2,639
    #7
    actuator aka idle up, hanapin mo sa engine compartment nandun sya sa wall malapit sa air cleaner natin.

    something like this: (wala yung cam ko to take pics sana)


    simple test:
    pag nakita mo na sya, while your engine running with the aircon on, purbahan mong tanggalin yung vacuum hose na papuntang timing advancer(sa may distributor) or any of the two.
    pag working yan, babagsak ang rpm mo pag may tinanggal ka or baliktad ang kabit mo.

    pag hindi na gumagana, baklasin mo na para sample mo sa auto supply. okey lang kahit iba ang itsura ng mounting basta parehas ng power sockets. i zip tie mo na lang pag iba yung mounting assy nya.

    my milage; 152,225km not everyday running kasi tong L3 namin pero hindi naman masasabing tulog sa garahe.
    and yes, eto yung "pawis steering" but dual aircon na po sya hindi yung "refrigerator type" na tinatawag( yung may box sa likod ng front passenger side )

  8. Join Date
    Oct 2010
    Posts
    10
    #8
    thanks for the infos sir,its highly appreciated,sana po lahat ng tao katulad nyo
    willing to lend a hand
    may napagtanungan npo ako nung actuator,universal daw po sya
    190 pesos
    looking forward sa day off at ako nlang gagawa
    join npo kyo sa liga,sent you the invite
    thanks po ulit sir
    ill post updates of said install of actuator

  9. Join Date
    Oct 2010
    Posts
    2,639
    #9
    no problem dude

    great at may nakita ka.
    btw,na-tuneup mo na ba sya since you acquired it?
    get the OEM contact point, condenser and plugs... tried the higher end one plugs but seems nothing felt different at all, mahal pa.. cheaper pa yung OEM IMHO .
    check your high tension cables also kung crappy or mukhang laspag na, pwedeng culprit din yan sa stalling pag mahina na yung current flow lalo na yung mangagaling sa coil.
    get OEM with the cables also, yun lang naman cables ang medyo may kamahalan ng konti dyan... more or less 3K sya, di ko na makita yung receipt ku.
    mag OEM ka na para sa "selected" parts ng ride naten, hindi naman masyadong maantak di tulad nung ibang make/models.
    if you have time... try calling mitsubishi about the parts, magugulat ka na reasonable din naman pala sila, may discounts pa.

    kelan lang nagpalit na din ako ng high tension(OEM din), bale pangalawa lang sya since acquired.
    coil ko, factory installed pa pero still kicking pa rin naman e .
    ramdam ko talaga yung power/pickup improvements pagkatapos ng tuneup sabay palit ng high tension, lalo na kung bago pa yung coil... sabi nung mekaniko ko.
    will change it na lang later on pag nagparamdam na sya...
    Last edited by benchman; October 15th, 2010 at 09:41 PM. Reason: typo

  10. Join Date
    Oct 2010
    Posts
    10
    #10
    thankshe very needed info sir bench
    68e36c71-61cd-4187-a95e-af93a2dbfa8e
    1.03.01

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yet another l300 ac problem