SOURCE: Husqvarna yth20k46 - When turning transmission does not work
I only had my mower 3 months and that problem started. I was told to change the drive belt, It got worse. Now the transmission will only drive the mower for about 15 min and will come to a complete stop. I have to let it sit about 30 min before the drive will work again. No solution yet but I'm looking at replacing the "sealed" drive assy. I do have a very healthy yard of St Augustine which is tough. I can mow a thinner yard a little longer.n
SOURCE: Change hydrostatic transmission oil
we have tractors and, yes any of those drain bolts will work (for best results do both) then after its drained, put the drain bolts back in and top up the level
SOURCE: MTD PRO RIDING MOWER/LAWN TRACTOR 18 HP ENGINE HYDROSTATIC DRIVE
In the back of the mower...probably under the seat, there should be a lever to release the transmission, or it is on the back plate. As far as the noise when trying to move drive the mower, the brake in the back, next to the transmission is jammed, use a 1/2 inch wrench to loosen it maybe 1/4 turn and this should unlock the brakes
SOURCE: Husqvarna YTH2448 engine leaking oil
That sounds like the sump gasket is leaking, sometimes the briggs machining at the sump and head areas are a little rough and a bad fit can allow the gasket to blow,if it is leaking it is actually sucking air in rather than pushing oil out while it is running. You would have to drain oil, remove the engine turn it upside down,remove the oil pump cover plate( 3 small screws) pull oil pump rotor and drive shaft out,remove sump bolts,replace gasket and reassemble.Be sure to use a light coat of gasket sealer like black silicone.
SOURCE: Husqvarna, GTH2454T Hydrostatic power loss.
If it's like mine the transmission is sealed and cannot be serviced. A local repair shop told me most likely the problem isn't with the transmission but rather the engine pulley is worn. He said if sand or debris gets between the belt and the pulley which has a definite "V" shape to it that it will wear down to a "U" shape. Now mine has a foot clutch on the left side so he had me pull back on the pedal which manually tightens the belt. I did this and it works like a champ. This winter I'll change the pulley.
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