Transmission Noisier When Hot

[appro Lurker Find all posts View Profile Close appro]

Is it normal for the 6 speed manual transmission (2005 model) to be noisier when it gets hot? For short runs around town, say up to half an hour, my transmission is noisier than I'd like but not too bad. After I've been on the road for an hour or 2 though it gets noticably noisier. It is very noticable in second and third. Is this normal Prado transmission behaviour, should I be concerned about it, and would changing to a different gearbox oil quieten it down?

[Davros Advanced Member Find all posts View Profile Close Davros]

Re: Transmission Noisier When Hot

and would changing to a different gearbox oil quieten it down?

Seeing as it is now summer, and you live in a warmer climate, I would be looking at the transmission oil first.

[clifton Advanced Member Find all posts View Profile Close clifton]

Re: Transmission Noisier When Hot

Is it normal for the 6 speed manual transmission (2005 model) to be noisier when it gets hot? For short runs around town, say up to half an hour, my transmission is noisier than I'd like but not too bad. After I've been on the road for an hour or 2 though it gets noticably noisier. It is very noticable in second and third. Is this normal Prado transmission behaviour, should I be concerned about it, and would changing to a different gearbox oil quieten it down?

Hi Appro,
I have not noticed any significant change in noise from my 6 Speed G/box & Transfer case after 38,000km's 1st and 2nd gears are not noisy when G/Box hot, Davros is on the money I would change the Gearbox and Transfer case lub oils, first and then see how that goes. Most of my gearbox noise eminates from the clutch assy throwout bearing when hot and in neautral.