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  1. Join Date
    Mar 2006
    Posts
    266
    #1
    share ko lang scary experience ko kanina..

    pauwi ako kanina from ateneo around 4pm, after ko magU turn sa may gate 3 ng ateneo, naisipan kong gamitin yung overdrive ng CRV (i regret this now). pagtapak ko sa accelerator, bilis umabante ng tsikot. nung aapak na ako ng break, biglang hindi gumana! tiningnan ko kung break pedal ba talaga yung tinatapakan ko, tama naman. tapak ako ng tapak, sobrang dinidiinan ko na ayaw pa din bumagal nung tsikot! naririnig ko parang na-jam ata yung gear e, kasi tuwing tinatapakan ko yung break, tumitigas yung pedal tas may weird na howl coming from the engine. tas sobrang nagpapanic na ako, tumitingin na ako kung saan ko pwede ibangga yung tsikot without hurting/hassling other motorists, nang bigla naisipan kong pindot-pindutin paulit ulit yung overdrive button, thank god bumalik yung break ko. whoo, big sigh of relief. (btw, i was running * around 55 kph at that time)

    ano kaya nangyari sa break ko nun?

  2. Join Date
    Mar 2006
    Posts
    1,577
    #2
    O/D On allows you to exceed a speed of 80km/hr if IIRC.
    O/D Off doesn't on the other hand.

    While I did not have the chance to use an A/T CRV, I do know at least what it is through our A/T Xwind XTO.

    Our wrong interpretion then with O/D is that when it's lit on the dash, we thought initially that it meant we could go above 80... yun pala, pag wala sya sa dash. Ewan, whoever made that confusing light on the Xwind?

    When the O/D is on, mabilis nga hatak ng tsikot gawa ng the function of O/D is for highway driving. Brakes could not stop the vehicle more quickly than when overdrive is set to off.

    Why your brakes totally did not work for 10 seconds is what bothers me, you might have to bring it to the casa for an immediate check-up. Who knows what can happen next.

    Hope this is an isolated issue though.
    Last edited by batang_raon14; January 3rd, 2007 at 11:46 PM.

  3. Join Date
    Mar 2006
    Posts
    266
    #3
    hmm diyan din ako nacoconfuse with the O/D function of the CRV e, coz same as your Xwind, may light indicator din sa gauges if naka-On yung O/D function or not. sa CRV, pag naka-ilaw ung indicator, nakasulat "O/D off" sa gauge. so meaning ba nun pag naka-ilaw ibig sabihin naka-off ung O/D?

    coz AFAIK and through my experience na din with this CRV, whenever i choose to use the O/D function (meaning naka-ilaw ung light indicator), it seems na mas matagal ang rev ng engine sa lower gears, seems like sinasagad ng makina yung power sa lower gears before shifting to higher gears. (i may be wrong with this but ito yung experience ko with O/D sa CRV)

    anyway, im planning to bring this to the casa na, but not until next week. try ko muna gamitin ulit bukas. (sana wala masamang mangyari sakin) still wondering what the hell happened to my brakes? damn.

  4. Join Date
    Nov 2005
    Posts
    1,985
    #4
    The O/D shouldn't have anything to do with your brakes unless your CRV is drive by wire like some newer cars but AFAIK the CRV is not drive by wire. However, your transmission is electronically controlled as most A/T are now so there may have been a glitch with the system. Have a mechanic check the vehicle as to why you lost the brakes.

    A lot of misconception about O/D on the previous post, O/D is simply a higher gear(similar 5th gear) so it's shouldn't allow you to accelerate any faster than if it was off. Since your CRV is a 4 speed A/T with the O/D on it allows your transmission to shift to 4th gear otherwise you are simply moving on the 3 gears available without O/D. You also shouldn't be using O/D going up a steep hill with a heavy load since it will strain and cause your transmission to get too hot. You should use O/D when on flat, downhill, otherwise normal road conditions since it is a higher gear and can save you gas because it allows your tranny to use all the gears available. The 1 and 2(sometimes 3 on 5 speeds) allows you to hold those specific gears when the lever is placed there otherwise in D the tranny shifts through all the gears as needed.
    Last edited by redorange; January 4th, 2007 at 12:24 AM.

  5. Join Date
    Oct 2002
    Posts
    9,894
    #5
    i agree with redorange, overdrive has nothing to do with your brake systems.

    allen, wag mo na gamitin yung sasakyan mo - dalhin mo na agad sa casa (tow if possible). don't take any chances with your safety and the safety of others in the car or on the road with you.

  6. Join Date
    Oct 2002
    Posts
    22,658
    #6
    O/D simply means the CR-V will go into 4th gear. With O/D off, it only goes up to 3rd gear. Contrary to local belief, O/D is not some sort of turbo boost device that makes you go faster. O/D is designed to make the engine more economical because the higher gearing allows you to cruise at a lower rpm. You turn it off for specific situations (detailed in your owner's manual). That is why the idiot lamp illuminates when you turn it off. Otherwise, it is just left on.

    When the service brakes don't work, you still have the parking brakes, shifting to a lower gear, or the last ditch effort of simply shutting off the ignition.

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  7. Join Date
    Dec 2006
    Posts
    58
    #7
    Quote Originally Posted by allen_the_great View Post
    share ko lang scary experience ko kanina..

    pauwi ako kanina from ateneo around 4pm, after ko magU turn sa may gate 3 ng ateneo, naisipan kong gamitin yung overdrive ng CRV (i regret this now). pagtapak ko sa accelerator, bilis umabante ng tsikot. nung aapak na ako ng break, biglang hindi gumana! tiningnan ko kung break pedal ba talaga yung tinatapakan ko, tama naman. tapak ako ng tapak, sobrang dinidiinan ko na ayaw pa din bumagal nung tsikot! naririnig ko parang na-jam ata yung gear e, kasi tuwing tinatapakan ko yung break, tumitigas yung pedal tas may weird na howl coming from the engine. tas sobrang nagpapanic na ako, tumitingin na ako kung saan ko pwede ibangga yung tsikot without hurting/hassling other motorists, nang bigla naisipan kong pindot-pindutin paulit ulit yung overdrive button, thank god bumalik yung break ko. whoo, big sigh of relief. (btw, i was running * around 55 kph at that time)

    ano kaya nangyari sa break ko nun?
    ALLEN HAVE YOUR CAR CHECKED BY THE CASA. THAT IS NOT SOME MINOR ISSUE. BRAKES SHOULD NOT FAIL IN ANY INSTANCE. OD OR NOT.

  8. Join Date
    Dec 2006
    Posts
    58
    #8
    Overdrive light is on IF YOU TURN YOUR OVERDRIVE OFF. The simple reason is that the overdrive is supposed to be always on during normal driving. The car is alerting you to the fact that your overdrive is off ... that's why the light is on. Overdrive is a kind of electronic extra gear. It is (supposedly) designed to save fuel and increase the life of your transmission.

  9. Join Date
    Oct 2002
    Posts
    6,385
    #9
    Quote Originally Posted by J-C View Post
    Overdrive light is on IF YOU TURN YOUR OVERDRIVE OFF. The simple reason is that the overdrive is supposed to be always on during normal driving. The car is alerting you to the fact that your overdrive is off ... that's why the light is on. Overdrive is a kind of electronic extra gear. It is (supposedly) designed to save fuel and increase the life of your transmission.
    Yeza.

    Now, about what happened to your brakes, that should not have anything to do with O/D. O/D being off might just slightly improve your acceleration at cruising speed by automatically shifting to a lower gear, and not from a standstill at that, but then that's still not turbo boost/NOS so you should still be able to haul your ride down. Something is incorrectly triggering your brakes not to bite/engage with the O/D off. Have it towed to the casa ASAP.

  10. Join Date
    Oct 2002
    Posts
    3,754
    #10
    tanong ko lang when engaging OD on/ OD off... kailangan pa ba naka full stop ang car or kahit on high speed pwede ka mag OD... Yesterday na experience ko I was running 170km/hr.. ( just checking the wheel balance).. then bigla syang parang nag change ng gear (kumadyot) but still running on the same speed.. Does it mean I need to engage my Overdrive??

  11. Join Date
    Oct 2002
    Posts
    29,354
    #11
    have you checked your brake fluid level?... it could be you have low brake fluid level (or inadequate pressure). When you were pumping the brake pedal, pressure built up enough to stop the CRV.

    Or you could have a bubble in your brake lines.

  12. Join Date
    Nov 2005
    Posts
    1,985
    #12
    Quote Originally Posted by NightRock View Post
    tanong ko lang when engaging OD on/ OD off... kailangan pa ba naka full stop ang car or kahit on high speed pwede ka mag OD... Yesterday na experience ko I was running 170km/hr.. ( just checking the wheel balance).. then bigla syang parang nag change ng gear (kumadyot) but still running on the same speed.. Does it mean I need to engage my Overdrive??
    Depending on the load on the tranny it should make shift adjustments as needed. Even if you don't have the O/D on it should still shift accordingly, i.e. if you floor the pedal to accelarate quickly your tranny will down shift if it needs to or up shift when needed. You can engage it while in motion and it won't matter you will just see the rpm go down a bit, maybe from 3000rpm to 2500rpm. When I went to LA from San Francisco I would turn it off going up the Grapevine because we would be climbing over 4000 feet and turn it on again going down.
    Just keep in mind the tranny shifts depending on the load you put on it, step on it to pass other cars and let off when you want to cruise.

lost brakes for almost 10 seconds