A/T Trans kick down issues - cable

Reply Subscribe

Thread Tools

Search this Thread

05-15-2012, 01:03 PM

tashier

Member

Thread Starter

Join Date: Aug 2011

Location: Beaverton

Posts: 120

A/T Trans kick down issues - cable

Over the last several months I've been trying to get this A/T trans to shift correctly. I've tried snugging up the cable a little and it seemed to shift hard, then I loosened up the cable and it seemed to shift better except now it downshifts at awkward times. Seems opposite. Loosening the cable should reduce the downshifting correct? The scenario would be slowing down at an intersection, rolling slowly through a right hand turn and then very gently hitting the gas. It immediately downshifts and then upshifts back to the same gear.

05-15-2012, 06:24 PM

JimBlake

Super Moderator

Join Date: May 2006

Location: Wisconsin

Posts: 18,398

I don't know automatics really well, but I'll bump this for you.

I think the cable should be adjusted so the the lever on the transmission just begins moving immediately when the throttle begins opening.

How about dirty/corroded cable with excessive friction inside it's housing? Then the transmission lever won't move responsively with the throttle.

What kind of ATF and how clean is it?

05-15-2012, 09:40 PM

Roader

Been Around A Long Time Member

Join Date: Jul 2011

Location: Denver

Posts: 1,008

From "http://techauto.awardspace.com/transmission.html":

Quote:

Only for the computer controlled transmission. The transmission detects pedal dept via two points. One at the TPS and the other at the transmission. If the deeper you press the gas the less harsh it becomes then the problems lies on the out-of-adjustment at the transmission throttle cable.

Probable solution: Using a wrench, adjust the transmission throttle cable in small increments and test drive. Tip: The more the slack the harsher the shift. If this does not solve the problem then it could be a shift timing or other problems as expressed below.