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View Full Version : Won't Shift At WOT


Bodie390
11-23-2005, 12:29 PM
Looking for some help...
Completely stock '87 GN runs great except it will not shift from 2nd to 3rd at WOT. It's fine from 1st to 2nd but will stay at redline (and higher) at WOT unless I ease off the throttle a little, then it will shift to 3rd. Is there an adjustment of throttle to fix this or is this a more serious problem?

Thanks for any and all help!

PaCemkr86
11-23-2005, 01:06 PM
have you checked your "TV" cable adjustment?

Keller
11-23-2005, 02:44 PM
Might have had a governor spring pop off. http://www.gnttype.org/techarea/transmission/governor.jpg

Bodie390
11-23-2005, 09:32 PM
Thank you both for your suggestions. I have readjusted the TV cable per the directions on this site and it seems to have helped. It will now shift just before redline but still seems as if it should shift a little sooner.

Thanks again for your quick responses. Great site with excellent information on these cars!!! :tup:

PaCemkr86
11-23-2005, 09:44 PM
What RPM is it shifting at ? Are you going by the digital tach in the dash or do you have an after market one?

Keller
11-23-2005, 11:48 PM
...or a scan tool?

brad_padgett
11-25-2005, 12:54 AM
I have the same problem on a 85GN with an 87ECM. I will start a new thread because my issues are different. Thanks- Brad