when driving van if you turn on the a/c the van goes into aneutral mode no
over drive if you put it in 3RD gear its ok but put it in overdrive and it
goes to neutral turn off the a/c and it goes back into overdrive and its ok
any help or suggestion would be appreciated
Bruce Chang - 25 Aug 2005 21:40 GMT
> when driving van if you turn on the a/c the van goes into aneutral mode no
> over drive if you put it in 3RD gear its ok but put it in overdrive and it
> goes to neutral turn off the a/c and it goes back into overdrive and its
> ok
> any help or suggestion would be appreciated
It sounds like you have a bad ground somewhere and that your trans and the
AC might be sharing a ground that no longer grounded.
Peter Griffin - 29 Aug 2005 21:55 GMT
> when driving van if you turn on the a/c the van goes into aneutral mode no
> over drive if you put it in 3RD gear its ok but put it in overdrive and it
> goes to neutral turn off the a/c and it goes back into overdrive and its ok
> any help or suggestion would be appreciated
I have the same problem on my 99 GMC savanna...The dealer has hooked it up
to diag, and nothing .....Thinking it has something to do with tranny heat?