Question about Nissan 300ZX

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Cannot get 1991 300 zx (manuel) non-turbo to shift in 1st and third gear

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  • Anonymous Nov 18, 2008

    I have had this problem. What happened was the shifter boot broke that
    held the shifter in the transmission. Fortunately the shop I took it to
    drilled two more holes and placed two more screws in it to hold it in
    place. It cost me only $100. I hope this helps.

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  • 1,586 Answers

Most likely it is worn synchros. Try changing out the transmission fluid and run Redline MT90 in it instead. The fourth gear synchros were a known weak spot on the Z32 cars, but other gears could also develop trouble. MT90 is known to alleviate a lot of shifting problems related to synchros in the Z, so it's worth a shot.

Posted on Sep 16, 2008

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I have a 2001 turbo diesel 4wd rodeo. It has started throwing out of 1st gear on take off. Doesn't do it every time but is getting a bit annoying. I've replaced the transmission oil and engine mounts (I...


old post, , M/t box. (built many)
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GEARBOX PROBLEM


I hate to break it to you, but one of the most common problems with a 90-95 mr2 turbo or non turbo, is the transmission. It's sad to say but it sounds like your syncros. It is one of the biggest flaws with the car. I love mr2's. I have owned several, and everyone of them have had the same problem. It's most common in the shift between 1st and 2nd gear, but it will eventually start to go in every gear. up shift or downshift. It will start gradually, and eventually get to the point where you wont be able to put it into gear. Makes racing a nightmare. If you slam it into gear when it's not going, you run the risk of grinding your gears, bending your forks, and other various costly repairs with your transmission. I suggest that you don't punch it. Shift before 4500 rpms in all your gears until you can afford a complete rebuild. When you do that make sure you use the proper gear oil. If you use a cheap one, or have a non toyota mechanic do it, they may use a gear oil that will actually destroy your syncros faster. Trust me the car is a wonderful car. You won't have more fun in another car until you drive a Corvette z06.... I say that just cuz it is the only other car in the world I will drive beside my mr2.......Best of luck mate.

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Hi I havw question how many gears have 1991 nissan 300 zx tt automatic and when at chenging gears (rev) I heard around 4000rpm.


300zx auto will have 4 gears. 1-3 are normal running gears 4th is said to be an "overdrive" gear.

shift points should be under 4krpm, with light driving. my 300zx non-turbo usually shifts around 2-3K.

throttle position sensor could need adjustment or replacement. trans fluid should be checked to see if it's in good shape and full.

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1 Answer

I lost my third gear


It seems in the manual transmissions the first gear to go is 3rd gear..
signs of a failing trans

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