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Discussion Starter #1
I've had a problem right now with my 2008 Quest. It has been going on now for 5 years. No One seems to know the solution. The Van is used on a daily basis and will not start after 1 hour after of turning the vehicle off after having no problems for a 2 months or more. I will have the Van jumped and it will be fine for 2 or more months and then it will go totally dead again. Had the alternator looked at and was told it was fine and told the battery was fine also.. Already had put a new battery in it. It seems to be happening now more frequently...like once every 3 weeks....that's what brought me here...not sure what the problem is.
 

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Altima FTW
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Possible intermittent parasitic drain? When you say the car doesn't start we need a little more info. When this problem happens does the starter motor turn the engine over and the engine doesn't fire? Or does nothing happen when the key is turned? Or is static battery voltage too low for the electronics to operate, and nothing lights up or lights up and fades out while cranking?
 

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Discussion Starter #3 (Edited)
Possible intermittent parasitic drain? When you say the car doesn't start we need a little more info. When this problem happens does the starter motor turn the engine over and the engine doesn't fire? Or does nothing happen when the key is turned? Or is static battery voltage too low for the electronics to operate, and nothing lights up or lights up and fades out while cranking?
There is enough power to unlock the vehicle, the sound it makes when turning the key is a ticking sound. After that The Battery is totally dead.....no lights, no power anywhere. After I jump the vehicle, it runs fine for weeks. then it will repeat the same problem. Like I said it won't start after 1 hour after use after weeks of running
 

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Altima FTW
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Parasitic drain. Will have to look at amperage while pulling fuses to locate which circuit is drawing excessive amperage. Spec is 50 milliamps or less. Any aftermarket equipment on the vehicle?
 

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Discussion Starter #5
Parasitic drain. Will have to look at amperage while pulling fuses to locate which circuit is drawing excessive amperage. Spec is 50 milliamps or less. Any aftermarket equipment on the vehicle?
I'm kind of confused on the Parasitic drain (although it makes sense) My confusion is why the vehicle runs fine for weeks and months and won't start after an hour of use. Would a parasitic drain show up as a positive drain if the vehicle is running fine for 3 weeks or more?........and the only electronic after market parts that I'm aware of is the battery itself.....not sure if new parts were put into it when I bought it used from the Nissan dealership. At that time it had only 108 thousand miles on it....so it's possible.....also i should mention that i have disconnected the ABS.....not sure if that matters
 

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Altima FTW
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I'm kind of confused on the Parasitic drain (although it makes sense) My confusion is why the vehicle runs fine for weeks and months and won't start after an hour of use. Would a parasitic drain show up as a positive drain if the vehicle is running fine for 3 weeks or more?........and the only electronic after market parts that I'm aware of is the battery itself.....not sure if new parts were put into it when I bought it used from the Nissan dealership. At that time it had only 108 thousand miles on it....so it's possible.....also i should mention that i have disconnected the ABS.....not sure if that matters
Parasitic drain is a drain that causes the battery to be discharged when the vehicle is off. This drain is a non factor while the vehicle is running due to the alternator keeping the battery charged. Usual specification is 50 milliamps or less. In this state the battery is able to maintain a charge long enough to be able to start the vehicle after weeks of sitting, as long as the battery is healthy. A drain higher than this will cause the battery to be drained faster. In your case the battery dies after 1 hour. I would be looking for a very large drain of several amps to take out the battery that fast. Hope this helps.
 

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Check the battery volts when problem shows up to see if it is really dead. Possible electrical hot soak issue.......starter? Get the starter amp draw checked. Need to check and likely clean the battery terminals and grounds. Battery can be fine yet connections stop everything when vehicle gets stressed from being hot after the hour. Could still be power drain too like said.
 

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Altima FTW
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Good thought.
 

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Discussion Starter #10
Parasitic drain is a drain that causes the battery to be discharged when the vehicle is off. This drain is a non factor while the vehicle is running due to the alternator keeping the battery charged. Usual specification is 50 milliamps or less. In this state the battery is able to maintain a charge long enough to be able to start the vehicle after weeks of sitting, as long as the battery is healthy. A drain higher than this will cause the battery to be drained faster. In your case the battery dies after 1 hour. I would be looking for a very large drain of several amps to take out the battery that fast. Hope this helps.
I do understand what a parasitic drain is. But my case it Isn't that the battery is dead 1 hour after every use ....it's dead after weeks and months of use with no problems....then one day it's dead.....then I charge it and it runs fine for weeks and months of use again.....then one day (after weeks and month's of use) it would be dead....and so on...If I do a Parasitic test during the times I'm not having problems (weeks and Months), how will the test find the drain? It does not go dead every day........but on the day it does go dead it happens sometimes after sitting over night and one time after I ran the vehicle and parked it and went to start it 1 hour later, it was dead.....i would actually have to do the Parasitic Drain test on that day....and there is no way to determine which day it will go dead.
 

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You can at the least establish that the battery is truly dead when it acts up. If say you check at fail time and the battery is up around 12.6-12.8 volts then the issue is probably not the battery. They give trouble under 12.3 volts.
 

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Altima FTW
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I do understand what a parasitic drain is. But my case it Isn't that the battery is dead 1 hour after every use ....it's dead after weeks and months of use with no problems....then one day it's dead.....then I charge it and it runs fine for weeks and months of use again.....then one day (after weeks and month's of use) it would be dead....and so on...If I do a Parasitic test during the times I'm not having problems (weeks and Months), how will the test find the drain? It does not go dead every day........but on the day it does go dead it happens sometimes after sitting over night and one time after I ran the vehicle and parked it and went to start it 1 hour later, it was dead.....i would actually have to do the Parasitic Drain test on that day....and there is no way to determine which day it will go dead.
Ok gotcha. Yea intermittent parasitic drain is pretty difficult to diagnose. You will have to catch it in the act of malfunctioning to find it.
 

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Discussion Starter #13
Ok gotcha. Yea intermittent parasitic drain is pretty difficult to diagnose. You will have to catch it in the act of malfunctioning to find it.
Exactly.....Now you understand my dilemma and why it has been going on for 5 years.......although what amc49 was saying seems like a possible solution also ("Possible electrical hot soak issue ')....in any case I've taken it to 4 mechanics over the 5 year period, and no solution.....other than that I love Nissans.......Thank you both for your time.
 

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Smart mechs who can size up the money gains quick will not touch work like that that may not pay off to have the customer come back over and over, only the less smart ones will risk it. Why you often have to take matters into your own hands, but you have to be up to the task as well.

Nobody any longer wants the return problem cars, they only want the ones that fix right to not come back the first time, problem being of course that many electronic issues are commonly not fixed the first or even often the 4th time around. It's not in the mech's best interest to take an owner issue to then make it his own to then lose money.
 
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