Question about 1987 Nissan Pulsar

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Transmission pops out of 5th gear

My 1987 Nissan Pulsar manual transmission has begun popping out of 5th gear occasionally at highway speeds 60-65mph.

It has just started doing this and this morning was much worse but it was very cold (4 degrees F.)

Troubleshooting / temporary or permanent repair suggestions?

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  • dallum Apr 15, 2009

    won't stay in 5th gear, just started

  • the jaker Apr 16, 2009

    when i give it gas the motor kiks forwerd and pushis my linkag back thus 4 pushing it out of 1 and 5

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The synchro's in your transmission are shot. Time to replace them or the transmission fully.

Posted on Nov 21, 2009

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Motor monts

Posted on Apr 16, 2009

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My 92 Nissan NX2000 coupe won't go into gear, it pops out and now it just grinds...what could be wrong?


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1. occasionally over heat 2.gear lever pulling out


If just occasionally overheats and only in 100 degree weather, possible sticking thermostat, debris buildup on the exterior core of the radiator, corrosion buildup on the interior of the radiator core, low coolant level or insufficient fan cooling capabilities.
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Just bought the car cheap and the gear stick is 5 speed and selects 5th gear but when driving and in 5th gear its like in netual and the gear selectors bushing is worn bodjed sum tape on it and still...


On these WC Volkswagens, you have to make sure that the little ball-and-socket gear linkages are connected. If one is off, replace it with new, because the old one will probably pop off again. If there is no problem there and you can select 5th gear, and then only later does it "pop out" of gear, then the spline lock rings have worn where the mating surfaces of each spline tip don't provide a positive "lock" when under power. Some folks think that when a transmission "pops out" when driving, it is the syncronizers. This is never true. (Even Click and Clack get this one wrong continuously.) The syncronizers are responsible for clashing gears during the gear selecting action.
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Dear javatrader: There are very few solutions to this problem. The fact that you had mentioned 5th & Reverse, tells me that you problem is has two possibilities. Both relate to the same component.
The shift fork for Fifth gear and reverse are the same as well as the hub which the fork fits over.
When you Move the stick shift, it moves one of 3 rails in the transmission of which one is 5th and reverse. The hub is what locks the transmission in gear. The gears are what are referred to as synchromesh. This means that when you shift from gear to gear, it makes it possible to easily make the transition without the gears grinding while the car is in motion. The synchros are in fact, kind of a "BRAKE" for the gears so that when you go to shift into that gear, the synchronizing ring, slows the gear down enough to match the speed of the counter gear allowing it to engage with it, without grinding. As the hub slides into gear, there are spring loaded "KEYS" which are small pieces of steel about 1/2 inch long, 1/4 inch thick and 1/4 inch wide with a little hump in them to push up into a small cavity machined into the hub when it slides over it, thus locking the gear into place until you pull the stick to move it out of place. If a key pops out, it could cause the gear to stick, not allowing you to pull the hub back because the key has popped out at an angle which prohibits the hub from sliding over it.
Another possible senario: The fork is secured to the shift rail with a part called a "Roll pin". If this part shears, the car will be stick in what ever gear it was in at the time the pin sheared. If the pin shears, the stick will still move out of 5th gear position but the transmission won't.
This problem, unfortunately is not one a layman can fix. This is best left to a professional.
Good luck......If you are pleased with my answer, please write in, that you are satisfied with my answer. I am new in this "FIXYA" group and need more people responding to work my way up the ranks.

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