YACT: Car w/ manual transmission moves while in neutral

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Demon-Xanth

Lifer
Feb 15, 2000
20,551
2
81
Sounds like just changing your transmission fluid probably would take care of it. I ended up putting Redline MTL in mine. For as often as you need to change a manual's fluid you might as well use something good. Cost me about $24 iirc. I also put Richmond Gear Lube in the rear end while I was at it. it's a good idea when you change the fluid to pull off the shifter boot and pour a little down the neck to lube up the slides and make it shift a bit smoother to boot.

Edit:
it's just the friction+viscosity of the lubricant causing it to roll. When it warms up, the viscosity goes down and it's no longer enough to break rolling friction.
 

ahurtt

Diamond Member
Feb 1, 2001
4,283
0
0
Originally posted by: Shawn
low on hydraulic clutch fluid?

No I looked at the clutch fluid reservoir and it was right in between the min and max level lines.
 

Arafuna

Junior Member
Feb 7, 2023
1
0
6
Ok gear heads, what could cause this problem? Here's the deal: 2000 Nissan Xterra with manual stick shift transmission.
Parked on a flat level surface.

To start my car, it requires you push the clutch pedal all the way to the floor. So I do this and then start the ignition. After the engine starts I push the stick into the Neutral position. I then take off the parking brake. I then let up the clutch. If I do not have my foot on the brake, when I let up the clutch the car will slowly lurch forward as if being pushed from behind EVEN THOUGH the car is in neutral. It isn't a violent jerk or anything, its just a slow lurching forward. It will stop when it rolls into the curb. It does this lately on cold mornings. It stops after driving enough to warm up the engine. I notice also that in the first few minutes of driving also until the car warms up there is a faint "whining" sound emenating from somwhere under the hood that seems to increase and decrease in intensity as I manipulate the clutch / gears. Once it has warmed up sufficiently there is nothing noticeably wrong any more. What could cause this? Is my transmission about to blow up or could it be fixed by something as simple as replacing the transmission oil? Opinions?
I have the exact same issue on my 2013 Hyundai Elantra GT. Please let me know if changing the fluid solved your problem. I will try the same thing.