Hi all, my 2010 GX 150 blew a hole in #3 piston at around 130000km. The debris from the piston went down the exhaust and destroyed the Turbo. I have a very good mechanic. I forked out $15k for a complete rebuild. He found out through US freedom of information (not shown in Australian information) that Toyota knew the pistons are faulty and were up to revision 7 pistons. So my engine has those pistons with a correctly spaced head gasket. My Mechanic double checked what he ordered and discovered the Toyota recommended gasket was too thick, so my engine got completely rebuilt with a new Turbo and Injectors. A short time after this disaster, I was going up a hill when the gearbox put out a teeth grinding scream and ceased to function. I got a new gear box $2500.
What had happened was there is a splined bearing that the tail shaft slides in and out of from the transfer case. Mine had fatigue cracks and had split apart enough that the splines didn't engage. For a 4wd, this bearing is a thin walled 50mm socket, way under engineered. Finally, just weeks ago, my alternator died on my way back to Vic from QLD. We were stuck in Wollongong for 3 nights waiting to get a new 130 amp OEX one fitted. Another $800. The dead alternator, I blew out with compressed air when I got home and a lot of dirt blew out of it. There is a hint here, if you go on alot of trips in dusty tracks, dirt can build up in them and jam the clutch pulley.
Illawarra Toyota didn't bother calling me back after I had an online chat with a dude. I had to get Lubemobile out to fit the new alternator.
So, if anyone hears their engine tick at idle, it means a piston has cracked. I have a hatred of Toyota Australia over what happened to me. If my story can help anyone then that will be a good thing!
What had happened was there is a splined bearing that the tail shaft slides in and out of from the transfer case. Mine had fatigue cracks and had split apart enough that the splines didn't engage. For a 4wd, this bearing is a thin walled 50mm socket, way under engineered. Finally, just weeks ago, my alternator died on my way back to Vic from QLD. We were stuck in Wollongong for 3 nights waiting to get a new 130 amp OEX one fitted. Another $800. The dead alternator, I blew out with compressed air when I got home and a lot of dirt blew out of it. There is a hint here, if you go on alot of trips in dusty tracks, dirt can build up in them and jam the clutch pulley.
Illawarra Toyota didn't bother calling me back after I had an online chat with a dude. I had to get Lubemobile out to fit the new alternator.
So, if anyone hears their engine tick at idle, it means a piston has cracked. I have a hatred of Toyota Australia over what happened to me. If my story can help anyone then that will be a good thing!
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