Borg Warner 35 in Rover P6 MK1 1969

Hello,
I have had the car for 30 years, and had the engine and gearbox totally refurbished six years ago. Last week i topped up the gearbox with approximately 200 ml to a water of a liter. Unfortunately yesterday i realised it jumped out of second gear when it was still cold - neto the first shifts, but after 800 meter where we turn left. Found the gear, and drove around 8 kilometers without problems.

Since i never just go along but rather check before doing too much stupid, i realised to my hour, that the oil i purchased and topped up with is Dextron based. I have never ever used it before - it was only because i was out of the old bottles.

Will you kindly advise what to do now. I have read on the forum that oil change is needed, no problem, but do i have to use 8 x 4 = litres to come further? And if yes, how is it done. Change oil, out and drive, in on the lift etc for four times? (very costly in oil )
 
Last week i topped up the gearbox with approximately 200 ml to a water of a liter.

I assume you mean "200ml to a quarter of a litre.



i realised to my hour, that the oil i purchased and topped up with is Dextron based.

If you have only added the amount above I wouldn't worry too much.


Will you kindly advise what to do now. I have read on the forum that oil change is needed, no problem, but do i have to use 8 x 4 = litres to come further? And if yes, how is it done. Change oil, out and drive, in on the lift etc for four times? (very costly in oil )

If you wanted to be reasonably sure of getting the Dexron out you would have to do 4 drain/refills with use in between, but those drains would probably only get about 3 litres out at the most each time because you can't drain the converter, and for the tiny amount of Dexron you've added I wouldn't bother.
 
I thank you so very much. I have a passion for my car and always met same with others. My wife and i have a dream one time to take a long month around in England in the car. Things/advise like this make that even more wished.
 
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