Problem with Nissan Micra auto - gears? - Car experts help please!?

maclaren

New member
I really cannot see why the garage should have any reason to touch the machinations of the auto box as it does not play any part in the m.o.t. I would suggest that either the gear box oil (TQF) needs topping up or your torque converter is up the swany. from what you describe the transmission fluid(TQF) needs topping up as your vehicle behaves out of character when the TQF loses viscosity (transmission fluid gets thinner as the car warms up) What I would suggest is there are two level marks on the dipstick one for hot reading and the other for cold I would suggest that these have been confused if looked at at all the lower mark is for cold reading and the higher one for hot either way I bet there is not enough in it.
 
Have a little Nissan Micra (1994). It has an automatic gearbox. Has given me 40,000 miles of trouble free motoring until yesterday.

It started with almost like a metallic rattling noise that progressively got louder, but not horribly loud. This may be unrelated.

The next thing I know is that when slowing down for a set of traffic lights, the way the car behaved was almost like (imagine driving a manual car) slowing to a stop in fourth gear without putting the clutch in, the way the car would judder and almost stall is what happened. The car did not stall, but almost like it forced itself to put the automatic clutch back in at the very last second, but not put it in quite enough for a smooth gear change. Starting up from scratch was the same, banging and jolting until up to about 30mph, then fine until you went to slow down again.

Started the car this morning, and it behaved fine until it was warmed up, and then the same behaviour started to rear it's ugly head again.

The car sailed through it's MOT three weeks ago, and I asked them to check the auto gear box oil and they said this was fine.....perhaps they left something like a screw or bolt loose in the gearbox??

Not being much of an expert on cars, I was just wondering if any car expert or mechanic has any suggestions. Does this sound fixable, or is it time to scrap the car (boo-hoo!).

Thanks for the help :-)
 
I really cannot see why the garage should have any reason to touch the machinations of the auto box as it does not play any part in the m.o.t. I would suggest that either the gear box oil (TQF) needs topping up or your torque converter is up the swany. from what you describe the transmission fluid(TQF) needs topping up as your vehicle behaves out of character when the TQF loses viscosity (transmission fluid gets thinner as the car warms up) What I would suggest is there are two level marks on the dipstick one for hot reading and the other for cold I would suggest that these have been confused if looked at at all the lower mark is for cold reading and the higher one for hot either way I bet there is not enough in it.
 
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