V8 Auto Gearbox Query

Hi Andy,

have you checked all the obvious bits - fluids etc?

mine had a wibble at low speeds caused by the stepper motor not doing its job properly cos it was all caked up in soot

When you say struggled - engine struggling or gearbox?

Si

Not checked a thing as it was dark and I don't know my way around the motor yet. Think the gearbox was struggling but the engine was nearly stalling so not sure if it was the chicken or the egg!

Drop it round tomorrow night, we'll have a look if you want. 6pm would be good.

Sounds a bit like transmission wind up to me. Jack up a wheel, let it down, then take for a drive again. See if the symptoms have gone. If they do then suspect the centre diff lock is engaged.

MW

Nige wrote:

I have a funny feeling that you could be right, the diff-lock light took a while to go out after I tested it, could have been a bit of wind-up there. I'll see if it does it again.

On or around Tue, 14 Nov 2006 09:00:42 -0000, "Andy" enlightened us thusly:

sometimes you need to reverse it.

I had to reverse a fair bit and turn it too, would have thought any wind-up would have gone after a 100 mile trip but there weren't many corners!!

Once the diff is unlocked, that's all your wind-up gone, it winds up when the diff is locked. So unless your diff lock light went out but the diff remained locked then it shouldn't be wind-up.

And regardless of corners it would have almost certainly have gone bang long before 100 miles - believe me I've been there.

The only thing affected by corners are the axle diffs.

Not true as the rear axle travels a shorter distance that the front when going round a corner forwards.

Ruled out a sticky centre diff, tested it on some gravel and the rear wheel drags when cornering with d/l in and runs fine with d/l out. Must have been a glitch as it hasn't happened since.