SOURCE: i got a 94' z71 at. its got a 4l60e transmission
Your going to have to get some codes from the ECM first to see if it's electrical and not machanical. MOst of the time it's going to be electrical I hope since you sill have your forward gears.
Here's a way for you to get the codes and hope this helps pin point your transmisson problem.
GM domestic vehicles made before 1995, the diagnostic connector is located under the dash panel by the driver side. To get the Check Engine codes to flash in your dash panel, use a jumper wire or a paper clip and connect terminals A and B of the diagnostic connector. Turn your ignition key on with engine off and the codes should start to blink. All codes should start with code 12 which is one long flash followed by 2 short flashes. This code 12 means the diagnostic system is normal and will repeat itself continuously if there are no trouble codes. Otherwise, code 12 will flash 3 times before flashing the fault codes.
Most of the codes can be erased or cleared by disconnecting the battery negative terminal for 1 minute and reconnect. Just make sure to check your service manual in case you have electronic equipment such as radio or clock that needs reprogramming in which battery disconnection is not recommended. Road test the truck after repair to confirm if the problem is fixed.
Codes from 72 to 85 and 90, 91 97, 99 are related to transmission problems.
Good luck and hope this helps If your have a 72 coade then it's a VSS signal error. That's your speed sensor at the left rear side of your transmission at the output shaft. Easy fix, just un-clip the wire connection and un bolt the sensor.
Auto zone should have the part or any transmission shop and have them dubble check to make sure it's that sensoe, there are two of them.
SOURCE: Can't shift into reverse ( manual transmission )
I have the same problem on my 2005 cts. The shifter fork has two rubber bushings that attach at the transmission that break or give way. I assume they did this for a softer feel and to avoid vibration but it leads to the selector not engaging well when you go the extreme direction of reverse on the shifter as there is too much deflection. I replaced the bushings with washers as spacers and it seems to work as a "McGyver" fix. I do intend to get the parts needed from Cadillac to restore it to factory standards. Hopefully they have the parts. To fix the problem you have to go under the car. To get good access you have to disconnect the exhaust and the driveshaft. I did it without this and just tormented my poor hands but I wasn't willing to do all the other work while in my driveway. You simply take the clip holding the fork shaft onto the transmission selector end off and slide the small shaft out. I also took off the shifter side of the fork to study the thing a bit better. That takes a 13mm and a small allen wrench, 4.5 or 3/16, can't remember. Then replace the bushings or do as I did and stack some washers so as to get rid of the slack between the inside of the fork and the gear selector on the transmission. Assemble and try. If you have as good dexterity and tenacity at your fingertips as I do, you'll curse the day you attempted doing this without taking out all the other stuff. If you don't, take out all the other stuff to make room for your hands. The space is very confined. Good luck.
SOURCE: I can't shift into reverse. All other 5 gears are
My VW is not shifting into reverse at all; I think a certain person was driving and mistakenly pressed the gear shifter down for all gears--reverse is the only gear you press the shifter down first in. Doesn't grind, 1 2 3 and 4 work but no reverse no reverse lights.
I've read several complicated (can't see scenario's) posts on screens and linkage and a cable fixed one guys problem but still no solutions.
SOURCE: manual trans in a 97
This possibly an issue with a damaged gear synchro or your linkage needs adjusting. This is a video that explains in detail how to adjust your shift linkage and it should cover your model and year of vw. If the problem still persists then you could be looking at the bad gear and will need to have the transmission serviced.
http://www.youtube.com/watch?v=tp9ggefOjAE
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