Member Since: 13 Nov 2018
Location: Bedfordshire
Posts: 49
Gearbox noise, TC or mech unit?
I fitted a second hand gearbox not so long ago (old one had a TC vibration and one at 40mph)
New gearbox has cured the vibration at 40 and the vibration from the TC but now I have a noise like 2 metal plates grinding against eachother when I come off the throttle, or when I'm under very very light loads.
I have a spare mechatronic unit from the old box still that I have debated fitting in, incase the valves are sticking.
Sound like a possible cause or is it the TC on its way out again ðŸ˜
Last edited by Shottyman on 21st Aug 2024 9:49 am. Edited 1 time in total
11th Feb 2024 2:22 pm
loanrangie
Member Since: 18 Jun 2017
Location: Melbourne
Posts: 682
There is nothing on the valve body that can make noise, even the solenoids wouldn't be noticeable so swapping the mechatronic wont solve anything.
12th Feb 2024 6:41 am
Shottyman
Member Since: 13 Nov 2018
Location: Bedfordshire
Posts: 49
i had a feeling that would be the case, me and gearbox's on this D3 are not getting on very well.
13th Feb 2024 3:25 pm
Shottyman
Member Since: 13 Nov 2018
Location: Bedfordshire
Posts: 49
im desperetly trying to avoid the full overhauled gearbox price so im trying to be 100% sure its just the TC and not the g/gox itself.
i do alot of "slow" driving while im out pest controlling, i have also noticed that if im just idleing along in 1st, often down hill, i will get almost a jolt as though its trying to shift down a gear.
if i change the TC is there anything else worth changing while im there, i hear reports of input shafts wearing too so is it worth changing this along the way?
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