Low pressure or the adjustment of the solenoid, If the solenoid is
not lifting the operating rid high enough it will be slow to come
into overdrive.
David Nock
British Car Specialists
Stockton Ca 95205
209-948-8767
www.britishcarspecialists.com
..
..
On Apr 19, 2009, at 6:52 AM, Peter Schauss wrote:
> The first time this happened was last fall. After driving the car
> for about
> 20 minutes on the parkway, long enough for it to be fully warmed
> up, the
> overdrive first started to engage very slowly. Then it reached a
> point
> where it would only engage if I took my foot off the gas and would
> disengage
> as soon as I hit the gas again. It felt like there was not enough
> hydraulic
> pressure to keep it engaged.
>
> I replaced the o-ring on the accumulator and the solenoid and that
> seemed to
> cure the problem until I took the car off the road for the winter.
> I did
> notice, however, that when the car was warm, it did not seem to
> snap into
> overdrive quite as quickly as before, but that may have been just my
> imagination.
>
> When I took the car out for the first time yesterday the overdrive
> worked
> well until the car was fully warmed up. Then it did the same thing
> it had
> done last fall.
>
> Up until last fall, the overdrive had been working perfectly since
> I bought
> the car 15 years (50k+ miles) ago except for burning out a couple of
> solenoids. (I have had the gearbox apart several times to replace
> the balk
> rings, lay gear, and first gear - the last time it was apart was 8
> years
> ago.)
>
> I had switched to Redline MTL about a year before this happened.
> When I
> replaced the o-ring last fall, I went back to non-detergent 30
> weight oil
> since I suspected that I might have to open the unit again and did
> not want
> to waste expensive oil. I should also note that the old o-ring did
> not seem
> to be particularly worn and fit just about at tightly as the new one.
>
> This time I am planning to replace the o-ring again, plus the rings
> on the
> accumulator piston, and the spring on the check valve for the
> pump. Is
> there anything else that I should be considering?
>
> Does anyone make a gauge that I can use to test the hydraulic
> pressure in
> this unit?
>
> Thanks,
> Peter Schauss
> _______________________________________________
> Support Team.Net http://www.team.net/donate.html
>
> Healeys@autox.team.net
> http://autox.team.net/mailman/listinfo/healeys
>
> You are subscribed as healeydoc@sbcglobal.net
>
> http://www.team.net/archive
_______________________________________________
Support Team.Net http://www.team.net/donate.html
Healeys@autox.team.net
http://autox.team.net/mailman/listinfo/healeys
http://www.team.net/archive
|