Yep I can only hope its not that but have a feeling it will be, what happened with yours did it get worse then you realised it was the box or did you just do it as had tried everything else. £1500 doesn't seem to bad or was that plus fitting. Thought it was more like £2000-£2500

Guys, Don't like the way this conversation is going

Rosco, were there any other tel tale signs, other than the noise. Loss of drive etc?

Suggs, are you experiencing any other issues?.

No other signs and no fault codes on my reader or dash (yet) i'm doing a 100 mile round trip tomorrow so will see how it is and watch the rev counter and see if it drops in time with the noise as i see thats another symptom of a failing TC, i'll also try in manual mode to see if it still does it. Have found this place about 40 mins from me so if it gets any worse i'll pop to them and see what they say, they look a top notch garage
https://www.planetgearsuk.com/gearbox-repair

Keep us updated. I still have manual shift & not really noticed any drop of revs. Paranioa is second nature with these cars.

Did over 100 miles today, had some noise mostly around 45-50 mph. I still get the noise in manual mode as well as sport and no drop in revs at all and from what ive read its common for a torque converter issue to go away when in manual mode. Seemed to happen quite often on bends but still sometimes on straights. Its due a service so will get that done and get them to check the drive shafts, UJ's and wheel bearings etc to rule them out first and go from there...

Well going to see a specialists ZF approved gearbox centre on Wednesday as only about 40 mins away, had a long chat on the phone and was told sounds very likely to be the torque converter. He told me if i have it done he would highly recommended i have the gearbox rebuilt at the same time as its very likely it will be needing it in the short term. He gave me some figures for a converter and my box rebuilt depending on whats needed once its opened up, it will range from £1100-£1600 fully fitted up to in the very worse case of £2000 and for that things like harnesses and pumps would be changed but not sure what that all means. They are going to take a look and drive Wednesday and go from there, October looking to be an expensive month, just spent £500 on new tyres!

Gearbox update 2003 4.4 petrol 111k on the clock getting a random rumble between 30-50mph, no drop in revs and no codes plus silky smooth gear changes. Booked it in today for a diagnostic check at Planet Gears a ZF specialist in Peterborough. Anyway got there and the owner Roy plugged his scanner in and went for a drive leaving me in the waiting room, 20 mins later Roy comes back saying he couldn't here the rumble, nothing flagging up on his scanner and that the car drives perfectly. So we both go out again and drove for a further 15 mins and the never did it lol, first time in the last 2 weeks its not done it. Roy advised i did nothing now and to see if it gets worse so he can diagnose the issue for certain, think he was being very genuine as could have easily told me to book it in for a recon box and TC. I drove 40 mins home on the A47 a new section that has recently been relaid (different route to the way i went there )so super smooth tarmac and no sign of the issue at all. I got almost home and the last older bit of the A47 where the tarmac got ruffer then onto the county roads where i live, i then got the rumble a few times. Surly its not the roads, i've had the car 5 years and lived here as long but only seems to have started the last few weeks. Roy also said that normally if theres issues with a 5 speed ZF box, you tend to notice a rumble at higher speeds over 50 mph rather than lower speeds of 30-50. I lay money on it, it starts doing it again tomorrow when driving around locally as i do most days....

In a way that's good news.

haha sort of i guess but i still think it will be in for a new box in the next few months, no doubt just before Christmas

Ok so just posting this as might be relevant to others, today i decided to put two tubes of Lube guard (Dr Tranny) in and give it a go, well it instantly stopped the rumble. Its early days and ive only done about 10 miles so far but all i can say is as of now theres no rumble and it worked instantly!

Suggs.

Sorry to drag the thread up....
I have been towing a lot recently and my last trip I get the dreaded judder at between 25 and 35, low revs.
I dont get this all the time though

How is you Rangie now after putting Dr tranny in?

Im probably going to do the filter and fluid change first. If it dont work.......burn it!

If the IId tool cant fix it.......burn the FF.

If the FF cant be fixed......buy a Land Cruiser!

If the LC cant be fixed..............................................BUY a horse !!