700r4 help

[batch]

my tranny has been acting weird, once i am cruising about 35 mph i keeps going from third to od , i replaced the tv cable tried adjusting it about ten times but no good. any thoughts

 

[kd7kmp]

my tranny has been acting weird, once i am cruising about 35 mph i keeps going from third to od , i replaced the tv cable tried adjusting it about ten times but no good. any thoughts

The tranny should be 'set' to shift from 3rd to OD right around that point, maybe a bit higher, but it shouldn't hunt between the two. If you say you replaced the throttle-valve cable and "tried adjusting it about ten times", I would say it is most likely not adjusted correctly. The only way to properly adjust the TV cable is with a pressure gauge hooked up to the tranny. The shop manual will tell you what the pressure be for each gear and at gear changes. Napa sells a pressure gauge kit for around $70 (I think) that will let you hook up to the tranny.

Another possible culprit, that is separate from the TV, is the governor. I had a problem when I bought my '90 GMC 'Burb where it wouldn't shift into OD except on rare occasions. I pulled the cover off the tranny case where the governor sits and found the shaft had loosened from the body. The shaft is simply swaged on. I replaced the thing and bingo...problem solved. But I had dinked around with the TV cable prior to this without knowing what I was doing. It is very easy to burn the tranny up with an improperly adjusted TV cable. Good luck.

Kevin

 

[batch]

thanks for the help i did notice it started leaking out of the governer cap i think i will replace it to be safe and get a gauge to check the pressure thanks

 

[ryoken]

everything ya ever wanted to know about setting your tv cable...


http://www.tvmadeez.com/article/index.php