Gas leak/Gas smell in car - Nissan Forum
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post #1 of 7 Old Mar 31st, 2010, 09:43 AM Thread Starter
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Gas leak/Gas smell in car

Our 3 1/2 year old versa started having gas fumes in the car last October...we took it to our dealership and they discovered a leak in the O ring of the gas tank and replaced it for a couple hundred dollars. We have continued to smell gas in the car for the last 6 months, bringing it back to the dealership for the 6th time yesterday (each time saying there is no reason for the smell). Yesterday they found the source of the problem is the 'fuel sending unit' is cracked and it will be $500 to repair (though they are going to give us a slight discount- down to 412$). They also stated that the car is not safe to drive! Thank God that we did not have an accident. So, for 6 months we have driven this car, with our child in the car, and it has not been safe. I've contacted Nissan Corporate Consumer Affairs, but what I want to know is this: Is there anyone else out there that may be having the same problem? 3 years old seems to me to be a pretty young car to have a major problem like this. I read the post about the exhaust fumes, wonder if could be related?
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post #2 of 7 Old Mar 31st, 2010, 12:18 PM
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Just as an FYI, the o-ring of the gas tank is used to seal the sending unit in place. I would suspect that you have had the same issue all along.
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post #3 of 7 Old Mar 31st, 2010, 12:56 PM Thread Starter
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So how dangerous has it been for me to drive it (and not only for the fumes)? Am I right in assuming that it is a young car to have this problem?
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post #4 of 7 Old Mar 31st, 2010, 01:07 PM
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I can't really say how dangerous it has been. Because I cannot see the leak. The sending unit is located at the top of the tank. So unless your tank was competely full, there is a possibility that no actual fuel was leaking, just fumes.
I have personally never seen a sending unit just crack without some kind of outside force being applied to it. But, that does not mean it can't happen.
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post #5 of 7 Old Mar 31st, 2010, 03:17 PM Thread Starter
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Could it have originally been an O ring leak, and in the course of repairing it and several attempts at making the sensor stop tripping the check engine light (the technician thought he may have bent a prong or something like that), then caused a crack? I don't know dangerous either, only that they said we couldn't drive it until it was repaired, and we have dealt with the same level of fumes since October, and yes, more significant when we fill up...but it did linger until almost 3/4 empty.
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post #6 of 7 Old Dec 31st, 2010, 03:42 PM
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If they didn't put the pump back in correctly it could have cracked when they put the lock ring back on. I've seen it happen on a frontier.
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post #7 of 7 Old Feb 27th, 2014, 07:17 PM
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I have a 07 versa and I have the same problem. When the tank is full and I park on the hill outside my house the next day the smell of gas is so strong outside and inside my car. It lingers in the car for days.
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