HELP - car moving on own
05-15-2021, 09:46 PM
#1
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HELP - car moving on own Has anyone ever had their car move on its own (while parked, in gear)?! Its a standard transmission.. Oh, and up an incline- like the driveway is a slight uphill? [img]data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7[/img] it has been happening multiple times now. We actually called the police to document thinking someone was messing with us. Doesn't matter if it's parked inside or outside garage. The parking Break is on and in gear before AND after I find it crashed into something. HELP
Last edited by Lastss02; 05-16-2021 at 10:54 AM.
05-16-2021, 08:01 AM
#2
TECH Junkie
I get a slight 'jerk' sometimes when I start the car but it doesn't actually move anywhere. That's in PARK with no E/break. Are the wheels actually moving on your car??
05-16-2021, 09:12 AM
#3
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Just turn the wheels towards the curb and it won't go anywhere...
It's perfectly normal for your automatic transmission vehicle to move an inch or two after shifting it to park. Mechanical play is common even for modern cars but if it rolls more than a few inches in the Park position then it might be a sign that your transmission is faulty.
It's perfectly normal for your automatic transmission vehicle to move an inch or two after shifting it to park. Mechanical play is common even for modern cars but if it rolls more than a few inches in the Park position then it might be a sign that your transmission is faulty. 
05-16-2021, 10:52 AM
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I assure you I'm not a troll lol at first we thought someone was messing with us. We literally found the car "crashed" into things. We actually called the police the 2nd time cause my wife was scared. Moved the car into a barn, again found it moved. Moved it into the garage and now found it "crashed" up against the workbench. When I say incline, everywhere it was parked the driveway was a slight uphill trajectory. It's mind boggling. It's a standard and I know transmissions so I think anything with that is impossible. Wondering maybe electrical? Other option is car all of a sudden is possessed.
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05-16-2021, 11:13 AM
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Yes , manual transmission. Car is in gear with e brake on and I'm finding it "crashed " into things. And when I find it it's still in gear and parking Break on. I know others are laughing there's no way...im hoping someone out there in forum land experienced this .
05-16-2021, 11:56 AM
#10
Teching In
Leave it out of gear in neutral with just parking brake on or chock wheels if you like. Your starter motor is engaging itself randomly somehow. Does it have a remote starter module wired in under the dash somewhere? I had one of those malfunction twice, once it went threw a fence and another time crashed into building. I ripped it out after that!
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05-16-2021, 12:05 PM
#11
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I think you hit the nail on the head!
05-16-2021, 12:47 PM
#13
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If it moves after that then I'm saying it is possessed! You can adjust the e-brake BTW!
05-16-2021, 05:16 PM
#14
ModSquad
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Put a hidden camera out there to see who is messing with you.
05-17-2021, 10:02 AM
#16
The remote start or some sort of electrical glitch which is running the starter is the most likely explanation. I would suspect a remote start installed by a previous owner that neglected to inform you.
Leaving the car in neutral (parking brake on of course) would be a good test - if the starter is activating on its own then you will find the car running but still in the same place.
Adjusting the parking brake is a very good option. Contrary to urban legend, cars with manual transmissions and a properly adjusted parking brake will not go chasing little old ladies across parking lots or crashing into ponds. Anyone who doesn't believe it can try an experiment... make sure your parking brake is properly adjusted then try to start the car in gear... it will not start or move. There just isn't enough torque in the starter motor to overcome both the weight of the vehicle and the parking brake. A remote starter, properly restrained, will rock the car if attempted to start in gear but at most it might move an inch or two. Remote starters are designed to give up if the engine doesn't reach a specified RPM level or the alternator doesn't raise the voltage in a specified number of seconds. In gear and restrained by the parking brake, there's no way either condition gets met.
Leaving the car in neutral (parking brake on of course) would be a good test - if the starter is activating on its own then you will find the car running but still in the same place.
Adjusting the parking brake is a very good option. Contrary to urban legend, cars with manual transmissions and a properly adjusted parking brake will not go chasing little old ladies across parking lots or crashing into ponds. Anyone who doesn't believe it can try an experiment... make sure your parking brake is properly adjusted then try to start the car in gear... it will not start or move. There just isn't enough torque in the starter motor to overcome both the weight of the vehicle and the parking brake. A remote starter, properly restrained, will rock the car if attempted to start in gear but at most it might move an inch or two. Remote starters are designed to give up if the engine doesn't reach a specified RPM level or the alternator doesn't raise the voltage in a specified number of seconds. In gear and restrained by the parking brake, there's no way either condition gets met.
05-17-2021, 06:02 PM
#18
