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  1. 2005 allroad voltmeter 
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    After replacing faulty glow plugs and starter, i am wondering if my battery is weak

    When i first get in the car in the morning, after the glow plug cycle the voltmeter never reaches 12v. Gets to around 11.5v. Just wondering if this could be the issue with my lumpy start for the first few seconds ?

    Battery is only 18 months old , it is a vw battery. Think maybe the hard starts for a year have weakened the battery ??

    Cheers
     
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  2. Re: 2005 allroad voltmeter 
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    Quote Originally Posted by quattrogary View Post
    After replacing faulty glow plugs and starter, i am wondering if my battery is weak

    When i first get in the car in the morning, after the glow plug cycle the voltmeter never reaches 12v. Gets to around 11.5v. Just wondering if this could be the issue with my lumpy start for the first few seconds ?

    Battery is only 18 months old , it is a vw battery. Think maybe the hard starts for a year have weakened the battery ??

    Cheers
    It might be. Does it goes up to 14 V ish when driving?
     
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  3. Re: 2005 allroad voltmeter 
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    I've just been out to measure mine, starts at 12.4v switched off and drops to 12.25 / 12.20v after a couple of glow plug cycles but not started (used a voltmeter).

    My battery is just over two years old, a Bosch it was on it when we bought the car.

    The specs I work to usually are a good new battery will be 12.9 to 12.7 healthy unloaded and if it gets down to near 12.0 without load, it's heading towards the door
    as regards any full useful life to start a motor in cold conditions.

    With a voltmeter on it while cranking I'd expect to see no less than about 10.8v as this would something like simulate the load test that battery shops do.

    I've recently had very good results from "Varta blue tech AGM" batteries and supplied by "Tayna batteries" I've no connection with either brand, just that I'm impressed by
    how well the Varta stands up to use or virtual (long periods with no charge) non use and still holds in spec. The supplier just delivered well packed and priced batteries
    on time and no problems. I've used them on both cars and motorcycles.
     
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  4. Re: 2005 allroad voltmeter 
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    Thanks for the info. Will measure my battery later with my meter. Yes it gets to 14v while driving.

    Think that the knackered glow plugs / starter motor may have taken there toll on the battery. Drops well below 10v while cranking
     
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  5. Re: 2005 allroad voltmeter 
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    With no load battery voltage is 11.6v , so guessing its had it.

    What battery will fit my car ? After a good one.my oem is 310 x w 170 x h 190
     
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