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  1. Join Date
    Jan 2009
    Posts
    11
    #1
    Patulong lang ako sa mga meron experience.

    I am planning to buy a 2nd hand car. Sabi nila ang normal range ng RPM pag idle ang engine ay nsa 800-900rpm. Dapat ba pag binuksan mo ang AC, yung rpm mo ay hnde bababa? Meron ba sira pag bukas mo ng AC ay bumababa sya ng 600-700 rpm?

    Meron din ako natry na 2nd hand car. From idle 800 rpm bumaba yung rpm nya to 700 rpm nong binuksan ko yung aircon, pero umakyat din sa 900rpm after mga 5 ot 10 sec. Meron ba sira pag ganito? Sabi kse nila dapat hnde bababa ang rpm pag bukas mo ng AC kse addtional load to.

    Meron ba sira ng AC , compressor AC. etc pag bumababa yung rpm? Is is advisable to buy this kind of car. Kung meron sya sira ano yung papaayos mo don? at the same time hingi ako ng estimate sa inyo how much ang gagastusin pra at least ibawas ko na yon sa price nong car.

    Hingi na rin ako ng ibang tips nyo how to look for a 2nd hand car. How to determine kung good condition ang AC, engine, suspension. etc

    thanks in advance

  2. Join Date
    Sep 2007
    Posts
    3,358
    #2
    normal lanh yan na bumaba ang RPM pag on ng AC.

  3. Join Date
    Nov 2007
    Posts
    2,442
    #3
    normal lang na baba sir pero hindi sa 700 sira actuator nyan yung nagcocontrol sa rpm pag nag o-automatic ang compresor

    pag inadjust m yan magiging normal ang aircon on mo pero pag nag off ang aircon taas naman ng RPM mo ,mura lang ang actuator nasa 700 petot lang ata?

  4. #4
    Kung carbureted ang engine mo, mura lang ang replacement ng actuator. Mahal lang pag EFI kasi servo kit ang kelangan i-repair/replace.

    Pareho ang function nila, pataasin ng konti ang RPM pag binubuksan ang aircon.

  5. Join Date
    Mar 2008
    Posts
    10
    #5
    Sir do you have any idea how much would it cost the repair of servo? AM experiencing intermittent drop in idling of my corolla when the compressor engage. Nanginginig yung auto ko, parang giniginaw, he, he.

  6. Join Date
    Nov 2005
    Posts
    311
    #6
    ..or could be a simple leak in vacuum hose, like what i had with my old corolla. less than 200 lang vacuum hose.

    observer mo mabuti, pag on ba ng compressor nadidinig mo na nag "attempt" tumaas then nag drop ulit yung rpm. kung oo the actuator/idle-up seems to be doing its job. check mo na kung vacuum leak nga. kung actuator/idle up nga sira, like what other's have said, those are cheap for carburated cars, price is a bit higher for EFIs

RPM effect sa Aircon