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I am having some transmission issues on my AW70 transmission - it shifts nicely from 1-2-3 and back again, but has some difficulty going into 4th, and when it is there its somewhat unstable. I suspect the overdrive solenoid and the kickdowncable. The kickdown cable seems to be quite loose. I can easily pull it at bit from side to side:
Not touching it:
With slight touch/pressure:
I have tried to adjust the sheath all the way back, but it does not seem to do anything to tighten up the cable - it feels like I just pull it over the cable itself. Here are two similar pictures with the sheath adjusted all the way back:
With slight touch/pressure, still showing significant slack:
Am I doing something completely wrong? Do I need a new kickdown cable? I can pull on it just fine and when I pull it all the way out and meet resistance I hear a "clink" in the gearbox. Releasing it I hear nothing. Could I just shorten the cable at the throttle body end? All help is greatly appreciated! I have attached a video of me pulling it from side to side with the sheath adjusted back, to really showcase the "looseness". Finally is it safe to drive my car like this?
Do I need a new kickdown cable?. Finally is it safe to drive my car like this?
If your kickdown cable moves freely as shown - it's ok. If your problem is the trans is reluctant to shift into 4th (or overdrive) the kickdown cable is not the problem, if it's moving freely as shown. .
Overdrive relay, wiring, solenoid - all can cause the trans to not select 4th when appropriate. If you never downshift from 4th to 3rd - (usually only used to slow down the car in hilly terrain) Take the solenoid off, remove the inner oring, and grind a passage for oil to flow between the two ports. This will allow the transmission to shift into 4th when needed - (and you will loose the ability to downshift to 3rd)