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Thread: Replacing battery on 2007 Crv

  1. #21
    Moderator HondaSUV Elder sgtsandman's Avatar
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    I think 5 years is a little soon but it depends on the warranty the battery has.

    I would replace the battery once the warranty exipres. Most autoparts stores will take the old battery for recycling and it's better to replace the battery before it fails that get stranded some where.

    I replaced my last battery when the vehicle was about 7 years old for the above stated reasons even though the battery still seemed to be doing it's job (I have no idea what the real age of the battery was).
    Mike: Sgtsandman's 'V
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  2. #22
    Senior Member HondaSUV Mentor
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    All makes of cars have unique warnings when the batteries are getting "tired".



    Some cars won't start (usually older cars)

    Other cars will lose the radio presets.

    Gen2 Vs will burn out headlamp bulbs.

    Some Chrysler cars will peg the speedo needle when the car starts! (the electronics can't calibrate)

    +++++++++++++++++

    If you have a Scanguage or Garmin EcoRoute HD you can monitor the charging on your V as you drive. Hondas will "switch" between 12.5 V (running off a good battery) and 14.5 V (when charging). When the battery is weak, the alternator is constantly charging so the voltage is 14.5. (That's the state of my 2006 V with OE battery, yes it turns over a bit slow lately)

  3. #23
    Video Master HondaSUV Elder roadster's Avatar
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    If 1 bulb goes I have time, right, what if the other goes, should I wait for the tail end to go as well?
    Underdog: [whenever something goes wrong] I am a hero who never fails, I can't be bothered with such details.
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  4. #24
    Senior Member HondaSUV Mentor
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    Quote Originally Posted by roadster View Post
    If 1 bulb goes I have time, right, what if the other goes, should I wait for the tail end to go as well?
    If one bulb goes, buy another pack. If the second bulb goes, well, you will get to replace them in the dark!


    I know Roadster was kidding...some Gen2 folks were replacing headlamp bulbs every few weeks...that is what I was talking about in my post. Often, a new battery is the cure for that annoying, repeated repair.

  5. #25
    Senior Member HondaSUV Senior
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    Yes, batteries can indeed give early warning signs (some weird ones too) when they're nearing the end of their life. Then again, they can fail suddenly without warning whatsoever. My 5 year old battery in my Honda was perfectly fine all those years. "One-flick of the key" starts all the time. Then one day the car wouldn't even make any sound nor even turn the starter over as I tried to get it to start 2 hours after I'd left it in the parking lot. And the weather was warm at that time too. Couldn't believe the battery was dead just like that. Good thing I was within a hundred yards of a battery shop.

  6. #26
    Junior Member HondaSUV Newbie
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    My wife drops my daughter to school everyday which is 5 min. away, not enough to charge the battery. And then do some groceries/shopping/ and some other stuff which is pretty much 10 to 15 min away... I would say she would start the car maybe 10 times a day every day. Now that the cold weather is here I can feel the sluggish starting.
    I just bought the battery from costco and will be replacing it tomorrow.

    Thanks for all the tips if you have anymore feel free to write em...also I checked the connectors and there are no visible junk/corrosion or anything like that. I guess 4 years on that batt. and the way my wife uses the CRV is pretty good.

    Eric

  7. #27
    Junior Member HondaSUV junior in training fixer1's Avatar
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    Quote Originally Posted by sparkydave View Post
    Sorry, but I beg to differ. As lead acid batteries get older, their internal resistance goes up, and their capacity (amp-hours) goes down. Yes, I will agree that they can fail rather suddenly when the plates shed enough material to short themselves out internally, but they can also get to the point where their internal resistance is very high, but they will still charge up to the right voltage. If they are abused by habitually leaving the lights on, the plates build up lead sulfate, which lowers the effective area of the plates, and reduces the current the battery can deliver. In that case, a load test does indicate it's on the way out. If the internal resistance is high enough, it won't be able to deliver the rated cranking current and still maintain acceptable voltage.

    So yes, they do wear out, and although the load test won't tell you if the plates are about to short out, the load test will show if they have sulfated badly.
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  8. #28
    Senior Member HondaSUV Senior TMQ's Avatar
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    I bought a battery from Costco in Sept. 2008. Last month several times the car didn't start on the first try. I'm at the dealer today for an oil change, and was told that the battery needs replacement.

    Not even 3 years. The car is always parked inside, and temperature in the Pacific northwest is mild. Never left the headlights on or any electronics running while parked.

    I'll bring the battery test sheet from the dealer to Costco and see what can be done.
    '02 EX CR-V 125K+ miles. AT. Silver. 35% front Tint. Hoodguard. iVTEC decal. Stant 10834 Fuel Cap. Full size CD tray. Belkin XM Auto Cassette Adapter for iPod. Costco battery. Yokohama AVID TRZ / Dunlop Grandtrek SJ6 winter tires on steel wheels.

  9. #29
    Junior Member HondaSUV junior in training fixer1's Avatar
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    Quote Originally Posted by TMQ View Post
    I bought a battery from Costco in Sept. 2008. Last month several times the car didn't start on the first try. I'm at the dealer today for an oil change, and was told that the battery needs replacement.

    Not even 3 years. The car is always parked inside, and temperature in the Pacific northwest is mild. Never left the headlights on or any electronics running while parked.

    I'll bring the battery test sheet from the dealer to Costco and see what can be done.
    Maintenance free absorbed glass mat lead acid batteries require a complex and fairly long (first charge) commissioning. If Costco took a short cut, you should not have to pay. Having said this I don't know if they commission their own batteries. What is the warranty period?
    Honda CRV EX-L 5 Speed Auto RT4WD Greentea Metalic

  10. #30
    Senior Member HondaSUV Mentor
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    Costco is very good about car batteries. I can't remember off hand what the policy is, but it's something like full free replacement for 2 or 3 years, and then prorated after that for a few more years.
    03 CR-V EX AT (England Built) 208k+ miles
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