[ROVERNET - UK] 3500s auto transmission shifting

[peter king]

Thanks, Bill.

I need to get set up to do the pressure test next, I guess. The  
transmission was just overhauled, so I'll speak to the shop re: the  
bands.

many thanks,

pk


On Mar 25, 2008, at 8:28 AM, Magnet wrote:

> The kickdown cable on my son's (now my) early 3500S had no crimped  
> stop, either.  We adjusted it using the pressure measurement  
> method, per the manual.
>
> Re the squealing, are the bands OK and correctly adjusted?  The  
> front band is supposed to be self-adjusting, but I've noticed that  
> on a number of BW type 35s, the little spring on the adjusting  
> screw is not properly positioned in the slot, rendering the self- 
> adjuster inoperative -- probably incorrect assembly by an earlier  
> rebuilder.  You need to drop the pan to adjust the front band, but  
> the rear one can be got at from inside the car, thro' a hole in the  
> floor.   With the pan off the transmission, you can also adjust the  
> kickdown cable to its correct setting mechanically, that is,  
> without a pressure gauge.
>
> Re your last point, I think the factory are working on the  
> assumption that, all else being correct, if the kickdown cable is  
> adjusted to spec, the shift speeds will be correct.
> Cheers,
>
> Bill D.
>
> ==============================================
>
>
>
>
>
> Peter King wrote:
>> Hi All,
>>
>> I recently replaced my 3500s transmission (automatic), and this  
>> weekend, spent some time adjusting the kick-down cable to work  
>> properly. After reviewing the shop manual, It appears the cable is  
>> not original spec, (or the crimped stop on the cable is missing)  
>> so the procedure for measuring the adjustment does not hold up.  
>> I've got it adjusted so it works well now, shifting down when the  
>> accelerator is put to the floor, and at the correct speeds.
>>
>> It seems as though the light throttle shifting occurs at higher  
>> speeds than it should--20+ mph for first to second, and 30+ for  
>> second to third. The full throttle shifting is in the correct  
>> range, 30+ for first to second, 50+ for second to third. And the  
>> maximum throttle shift changes seem to be at ok speeds.
>>
>> But on maximum throttle from start, I get what I think might be a  
>> clutch "squeal" at gear shift intervals. This only happens if I  
>> keep the pedal to the floor through all gears. The book describes  
>> this squeal, but says nothing about what to do about it. (The  
>> first thing I need to do is check my belt tension to be sure  
>> that's not the squeal I'm hearing...)
>>
>> It also seems to shift a bit "harder", not as smoothly as when the  
>> cable was improperly adjusted. When the cable was loose, I had no  
>> kick down at all, but the gear changes from start were smoother.
>>
>> The book says NOT TO adjust the kick-down cable to change fluid  
>> pressure/gear change speed, but how else would this be adjusted?
>>
>> Any thoughts?
>>
>>
>> Thanks,
>>
>> Peter
>>
>>
>>
>> 21 drydock avenue
>> boston, ma 02210
>> 617.292.7877
>> www.king-co.com
>>
>>
>>
>>
>>
>>
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