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  1. Join Date
    Dec 2014
    Posts
    1,254
    #1
    Mga sir tuwing kelan ba kelangan mag pa underwash especially ngayong maulan?

    Let's say daily driven ang sasakyan? Also not sure kung para saan yung rustproofing?

    1st time cat owner here!

  2. Join Date
    May 2010
    Posts
    499
    #2
    Quote Originally Posted by dhisky View Post
    Mga sir tuwing kelan ba kelangan mag pa underwash especially ngayong maulan?

    Let's say daily driven ang sasakyan? Also not sure kung para saan yung rustproofing?

    1st time cat owner here!
    Nagpapa-underwash ako after ko makipagsagupaan sa mga baha (level ng underchassis) during rainy season.. Pero pag di naman ako napadaan sa baha at regular na ulan lang, siguro every month to every quarter pwede na..

    Rustproofing = protection to rust. Its a rubber coating na parang pintura sprayed sa underchassis.. For new cars, sabi nila eh rust-proofed na siya out of the casa.. But i had mine still done after my warranty period, sa suking gasoline station.. If i remember, its just between 2-3k for suv, for cars mas mura...

  3. Join Date
    Oct 2002
    Posts
    10,819
    #3
    kung walang undercoat ang vehicle mo (coating under the car body and chassis that is like asphalt in color and consistency) then you might want to have this done first. this can be done at your regular gas station. inquire ka lang how much.

    if your vehicle already has undercoating then it is not necessary to have an underwash done regularly unless you pass by flooded streets, lalo na kung mabaho yung water and you can smell it when you get off. i only have my cars underwashed after passing a flooded street, baho kasi. so the last time nagpa-underwash ako was....a few years ago hahaha!
    Last edited by yebo; August 23rd, 2015 at 09:09 AM.

  4. Join Date
    Mar 2008
    Posts
    54,619
    #4
    - - - - - - - - - - - - - - - - - - - - - -

    Quote Originally Posted by dhisky View Post
    Mga sir tuwing kelan ba kelangan mag pa underwash especially ngayong maulan?

    Let's say daily driven ang sasakyan? Also not sure kung para saan yung rustproofing?

    1st time cat owner here!
    i am a city driver... never had to drive off-road... and i have never had my cars underwashed.
    whenever i have the oil change, i look at the undersides, and there's no rust..
    i use just the garden hose to remove mud from the fenders...
    call me lucky...? or are cars that well made now?

    i had a 15 year old car before.. now i have 10 year old.. all of them no under-rust.

    undercoat? that's debate-able to me..

  5. Join Date
    Mar 2014
    Posts
    5,975
    #5
    I usually have the under body wash after the rainy season. Ito rin yung time na maganda magpa reapply ng undercoating/rustproofing para sa mga parts na na sprayoff ng wash.

  6. Join Date
    Feb 2008
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    9,431
    #6
    Instead of spending so much for undercoating, what we do is regular underwash nalang. We do it every 6months. 350pesos lang naman.

    Sent from my Nexus 7 using Tapatalk 2

  7. Join Date
    Jan 2008
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    4,725
    #7
    Instead of having undercoats i just make sure that there are no trapped water underneath. Just regular cleaning and removing of mud on the sides

  8. Join Date
    Oct 2002
    Posts
    10,819
    #8
    di nga necessary ang undercoat pero extra peace of mind lang. di mo masabi kelan matatalsikan ng bato yung ilalim ng car mo. 1 bato lang scratched na paint, start na ang rust. at yun ang di mo lagi nakikita, di gaya ng body konting scratch lang OC ka na.

  9. Join Date
    Oct 2012
    Posts
    27,624
    #9
    Quote Originally Posted by crazy_boy View Post
    Instead of spending so much for undercoating, what we do is regular underwash nalang. We do it every 6months. 350pesos lang naman.

    Sent from my Nexus 7 using Tapatalk 2
    Every 6mo ✌

  10. Join Date
    Oct 2009
    Posts
    2,271
    #10
    kapag umaraw na ng maganda..kasi useless din kung umuulan pa eh mag pa under wash kana.ako basta sigurado na wala na ang ulan..ako nalang mag under wash..

  11. Join Date
    Oct 2002
    Posts
    2,277
    #11
    Normally nag papa underwash ako pag summer na so it will be once per year.

  12. Join Date
    May 2014
    Posts
    14,700
    #12
    malakas pressure ng tubig sa amin, tuwing mag car wash ako kasama ilalim and thorough ang pag spray ko. it looks effective kasi minsan may brown/dark hue yung tumulong tubig while doing it. i dont stop unless maging clear yung tubig. siguro 1 out of 10 times lang may ganung madumi pag hinuhugasan ko pang ilalim.

    tama lang ba itong routine ko?

  13. Join Date
    Oct 2010
    Posts
    2,639
    #13
    Quote Originally Posted by ninjababez View Post
    malakas pressure ng tubig sa amin, tuwing mag car wash ako kasama ilalim and thorough ang pag spray ko. it looks effective kasi minsan may brown/dark hue yung tumulong tubig while doing it. i dont stop unless maging clear yung tubig. siguro 1 out of 10 times lang may ganung madumi pag hinuhugasan ko pang ilalim.

    tama lang ba itong routine ko?
    same routine, malakas din pressure sa amin bro kaya eto na lang gamit ko;





    though i just focus in/under the wheel wells lang. malinis pa naman underside hanggang ngayon after a year++.

  14. Join Date
    Oct 2015
    Posts
    180
    #14
    Mga Sir, may alam ba kayung malapit sa Makati na may underwash? lahat ng napuntahan kong auto detailing, wala sila underwash. tska yun po bang undercoating, sabi kasi sakin sa kasa, good for 5 years yung undercoating nung unit ko, pero nung sinilip ko ilalim, parang patches lang, di lahat ng part meron, eh medyo nag woworry ako kasi umuuwi ako minsan ng probinsya, maputik, napansin ko mewdyo makapal na yung dumi sa may suspension ko sa unahan, pati sa axel. Totoo bang gang 5 years yun? pwede pala mag pa undercoating sa gas stations? kala ko Zeibart lang hehe

  15. Join Date
    Oct 2015
    Posts
    8
    #15
    every 4 months for me

  16. Join Date
    Jul 2009
    Posts
    153
    #16
    Once a year after the rainy season pero pag nadaan ka sa baha na galing sa high tide (tubig alat) like navotas or malabon then pinapa-underwash ko na.

  17. Join Date
    Jul 2010
    Posts
    12
    #17
    Is it safe, yung iba kasi ang lapit nung pressure hose

  18. Join Date
    Oct 2002
    Posts
    15,528
    #18
    Quote Originally Posted by kingp0dd View Post
    Is it safe, yung iba kasi ang lapit nung pressure hose
    it is safe....wala naming masisira dyan except kung pasukin ng tubig or moisture yung mga joints mo (kung cracked na).
    yung iba naman, natutuwang bugahan ng high pressure washer yung mga pulleys (A/C) and belts sa ilalim ng engine compartment resulting in rusts and squeaks ng fan belts.

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    Quote Originally Posted by kingp0dd View Post
    Is it safe, yung iba kasi ang lapit nung pressure hose
    it is safe....wala naming masisira dyan except kung pasukin ng tubig or moisture yung mga joints mo (kung cracked na).
    yung iba naman, natutuwang bugahan ng high pressure washer yung mga pulleys (A/C) and belts sa ilalim ng engine compartment resulting in rusts and squeaks ng fan belts.

  19. Join Date
    Nov 2005
    Posts
    7,976
    #19
    I have my own pressure washer kaya every mapasabak sa putik. Kung normal na ulan, damay lang during car wash - DIY din.

  20. Join Date
    Oct 2012
    Posts
    27,624
    #20
    If you see your cars underbody. Its mostly metal with coating. Washing is fine. You can remove the plastic bottom cover(not sure if your vehicle have this) to clean the front section properly.

    Recently saw my elantras underbody with my led light. No rust. Joints do not have any leaks. Shocks are dry. Dirt from regular driving.

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