120K km x 5 / 8 = 75K miles.

Sounds to me like you don't have any transmission fluid in the box.
Check the fluid level and tell us how much is there and what colour it is.

Dave Milne, Scotland
'91 Grand Wagoneer, '99 TJ

"Kit Kat" > wrote in message
ups.com...
> I recently purchased a 2000 model Jeep Grand Cherokee Laredo. It had
> 120,000k's (don't know what that is in miles!) and had full dealer
> service history. I continued the servicing of the vehicle with timely
> precision. I was driving along one day and the "O/D Off" light came up
> on the dash and stayed on. I thought I must have accidently bumped the
> overdrive button. I tried clicking it on and no matter how I clicked it
> the "O/D Off" light stayed on the dash. Next the "trans over temp
> light" came one. I thought "Oh Dear!" I drove a little further until I
> could get to the nearest mechanic. By the time I arrived a funny
> whurring sound was coming from the gear box.
> The gear stick now 'slips' into gear and when driving the gears will
> not move up or down. It gets "stuck" in gear (auto transmission
> obviously) - the car went into "limp" mode (that's what the jeep guy
> said) he cleared the codes and I can drive the vehicle but not very far
> or very fast. It's been sitting in the driveway for 3 weeks now.
> Of course everyone is an expert - but I would love to hear from anyone
> who might have ANY idea at all as to what the problem here could be.
> The best solution I have been offered is that "the gear box will HAVE
> to come out regardless and nobody will know what is wrong with it until
> that happens"
> This I have been told will set me back anywhere up to $6,000.00.
> What i want to know is why someone who is a "transmission expert"
> cannot even give me a clue as to what the problem might be.
> I await your replys!!!!!
> Thanks in advance!
> Lyndall
>