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  1. Join Date
    Oct 2012
    Posts
    9
    #1
    Guys, need help po.. Ride ko po is a '99 Expe 4x2.. Notice overspilling sa Coolant Expansion tank last month after a/c compressor change. Had my radiator flushed and changed the thermostat after. Still meron pa rin over spilling. Yung Temp gauge nasa middle pa rin. Had to refill my coolant every time i use the suv.. ngyan halos maubos coolant sa expansion tank after few hours lng of driving.. malakas pa hatak nung fan at wala nmn po leaks (water pump).. pansin ko din po na kapag low rpm mahina aircon, usually traffic.. but pagnasa garahe nmn at test ko aircon ulit, malamig.. weird lng.. Good day po mga sir and sana matulungan nyo po ko..

  2. Join Date
    Oct 2012
    Posts
    9
    #2
    someone suggested changing the expansion tank cap.. san ba nakakabili n2?

  3. Join Date
    Oct 2002
    Posts
    22,658
    #3
    Thunder auto parts in banawe/masangkay should have that. Google their contact details po.

    http://docotep.multiply.com/
    Need an Ambulance? We sell Zic Brand Oils and Lubricants. Please PM me.

  4. Join Date
    Oct 2012
    Posts
    9
    #4
    Thank you Doc Otep.. inquire ako bukas.. doc, ano pa ba kaya other causes nung overspilling coolant? saw one of your post regarding your overheating mb100, culprit mo is the a/c compressor? di kaya yung new a/c compressor ko causing the spillage, mukhang mainit din kasi engine bay kaso temp gauge nasa gitna, tumaas lng nung naubos coolant. thank you

  5. Join Date
    Aug 2005
    Posts
    553
    #5
    Quote Originally Posted by g_spott79 View Post
    someone suggested changing the expansion tank cap.. san ba nakakabili n2?
    If that cap is leaking then you likely have you solution.

    But try to take that off and rev gently a few times see if it surges.

    There's a chance that you've overfilled your loop. The surge tank is supposed act as a buffer against excess pressure.

    Make sure that you replace your coolant with the proper mixture.

  6. Join Date
    Aug 2009
    Posts
    167
    #6
    Quote Originally Posted by g_spott79 View Post
    Guys, need help po.. Ride ko po is a '99 Expe 4x2.. Notice overspilling sa Coolant Expansion tank last month after a/c compressor change. Had my radiator flushed and changed the thermostat after. Still meron pa rin over spilling. Yung Temp gauge nasa middle pa rin. Had to refill my coolant every time i use the suv.. ngyan halos maubos coolant sa expansion tank after few hours lng of driving.. malakas pa hatak nung fan at wala nmn po leaks (water pump).. pansin ko din po na kapag low rpm mahina aircon, usually traffic.. but pagnasa garahe nmn at test ko aircon ulit, malamig.. weird lng.. Good day po mga sir and sana matulungan nyo po ko..
    Same experience my friend pero na solved ko na ang problem, nag crack pala yong kinabitan ng hose sa reserved tank kaya hindi maka sipsip ng coolant ang radiator. Nilagyan ko lang ng epoxy ang crack back to normal na ngayon. Yong sa iyo e check mong mabuti kung saan ang leak between sa connection ng hose from radiator to reserved tank.

    Yon namang AC mo paki check ang condenser fan kung nag function ba ng maige at isa rin yan sa caused na nahina ang lamig pag nasa trafic or tirik ang araw.

  7. Join Date
    Oct 2002
    Posts
    17,335
    #7
    Had a similar problem before on my Altis. The culprit was a busted radiator cap.

  8. Join Date
    Apr 2012
    Posts
    9
    #8
    Over spilling incident also happened to my nissan frontier and found that the cause was my kaput radiator cap. I replaced it with an oem radiator cap and no more spills. Hope this help.

  9. Join Date
    Sep 2005
    Posts
    3,828
    #9
    Start by replacing your radiator cap first, that happened to me before.

  10. Join Date
    Oct 2012
    Posts
    9
    #10
    Thank You mga Boss sa reply.. much appreciated po.. Update ko lng po kayo: been using the Exped for short trips lng sa Mall or to UST, 14 km drive po the most just to check how much Coolant (water na ngyn, for testing purposes halos every gamit kasi lagay tubig) is being lost.. on cold days, especially mornings, konti lng leak or wala if ilang kilometro lng layo ng takbo.. halos o mahigit nmn isang litro nawawala on hot days.. refill lng muna ako with water.. Tested the Exped again yesterday, noticed tumaas temp gauge halfway between middle and redline, not on traffic (highway speeds) and while AC is on.. slowed down a bit and turned off AC.. temp went down.. checkd the coolant level, di namn nauubos.... So got a new Expansion Tank Cap Kanina * Ford, php 785.. 3 days bago dumating.. Tested it kanina, from bahay to UST 7 kms.. NO LEAKS!! ayus!.. but short lived..pauwi from ust no highway speeds po and AC on tumaas na nmn temp gauge, midway from middle and redline.. slowed down and turned AC off, bumaba temp.. pagdating bhay, NO Leaks, coolant level same.. Mukhang OK na prob ko sa Overspilling (for now, will test uli maya) problem is mukhang nagoverheat yung auto kapag highway na ang takbo at naka AC.. Dami ko hinala. haha.. Una yung bago kong compressor, nagstart lng mag over heat nung nasira compressor clutch ko last month. nagpalit ko bago compressor.. di nwala overheat and pansin ko overspill.. Baka may drag uli sa bagong compresor? ..Pangalawa, yung Bagong thermostat, mukhang closed or halfway open lng.. dahil sa overheating prob ko nagpa radiator flush ako, new coolant and lagay bago thermostat, persistent overspilling but pansin ko tumataas lng temp kapag nauubusan tubig sa expansion tank.. now with the new cap, no overspilling so far but tumataas temp.Naku.. Third, baka waterpump problem na, although la ako naririnig na noise (bearing) or makikita leaks or rust sa waterpump housing... pwede din radiator.. haha lahat na lng.. Plano ko is to remove the thermostat muna, drive without it see kung ano results, then cguro change the water pump and have my radiator overhauled na din if persistent pa rin problema. Mga Sir, ok lng ba to use the Auto without the thermostat? for diagnostic purposes lng.. Salamat sa inputs nyo and Godbless

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Overspilling Reservoir Tank