1HZ engine overhaul
- Thread starter Bing173rd
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It would depend on why it needs an overhaul. Is it only top end problems, or bottom end and cylinders/rings as well? I wouldn't think Japanese shop labour to be particularly cheap, but you are closer to new and used parts there, and it probably won't be the first one that they've done.
Is this something you're doing in-frame, or pulling the engine?
Is this something you're doing in-frame, or pulling the engine?
- Thread starter
- #3
It doesn't really need an overhaul, just don't have a good history on the engine and labor is surprisingly cheap. Parts are another thing, not much cheaper but no shipping and the shops are used to working on these engines. Overall, I am just looking at the future costs if I have to do it back in the states compared to having something done here.
If they'll do the full rebuild top end and bottom end for $200 USD, including only genuine parts, I'd say go for it.
It sounds like it doesn't need a rebuild. 250km is nothing, my four cylinder Chevy Malibu gas engine had that when I bought it, and this is a much larger diesel.
Unless its blowing smoke and/or noisy with no power at 250K, it doesn't need a rebuild.
700K and with problems maybe. Generally, you don't fix things mechanically that aren't broken, as it can lead to more issues than it solves.
Perhaps ensure timing belt and tensioner have been replaced recently, all fluids, including coolant have been renewed, and water pump replaced for the sake of it. That's where I would stop in regular maintenance without present faults.
It sounds like it doesn't need a rebuild. 250km is nothing, my four cylinder Chevy Malibu gas engine had that when I bought it, and this is a much larger diesel.
Unless its blowing smoke and/or noisy with no power at 250K, it doesn't need a rebuild.
700K and with problems maybe. Generally, you don't fix things mechanically that aren't broken, as it can lead to more issues than it solves.
Perhaps ensure timing belt and tensioner have been replaced recently, all fluids, including coolant have been renewed, and water pump replaced for the sake of it. That's where I would stop in regular maintenance without present faults.
- Thread starter
- #5
I agree, thats why I am unsure. Half of me wants to do it because it will be easier here but the other half thinks that tearing it apart will just cause more problems in the end.
It doesn't make any sense, really.
Take the money you would have spent on the rebuild, and trade your 1HZ in for a rebuilt turbodiesel before you leave Japan. There you go, two checkboxes.
Take the money you would have spent on the rebuild, and trade your 1HZ in for a rebuilt turbodiesel before you leave Japan. There you go, two checkboxes.
jblueridge
SILVER Star
There are stories of folks trying to import a 70 series with non-original motor and failing.
The ultimate horror story involves the customs/border agents putting the vehicle into scrapyard crusher.
Maybe it is all urban legend, but I would dig around some more.
The ultimate horror story involves the customs/border agents putting the vehicle into scrapyard crusher.
Maybe it is all urban legend, but I would dig around some more.
Just to chime in here, my 91 diesel pickup has over 500K km on it. I had my mechanics do a compression test and it was fine. One problem that has arisen is with the mechanical diesel pump. I've had to have it rebuilt. And then after the rebuild it's needed further adjustment. My suggestion to you would be to do a compression test and go ahead and have the diesel pump checked and serviced and perhaps rebuilt while in Japan with techs that really know these pumps and hopefully have factory training. I'm still 'rolling coal' a bit under hard acceleration. I just try not to do that too much. Love the way the engine sounds!
jblueridge
SILVER Star
Yes, that seems like really good advice to me.
Get the injectors, pump and other ancillary items rebuilt and dialed in.
I had to get my radiator and aircon condensor rebuilt in here Virginia.
Harder and harder to find radiator shops. Alternator/starter shops too.
I had to ship my power steering parts away for rebuilding too.
Get the injectors, pump and other ancillary items rebuilt and dialed in.
I had to get my radiator and aircon condensor rebuilt in here Virginia.
Harder and harder to find radiator shops. Alternator/starter shops too.
I had to ship my power steering parts away for rebuilding too.
AT 250000KLMS , it should be little more than halfway through its life if its had basic maintenance.
Its a rubbery term, it depends how far you want to go. I think anything other than a full engine kit and machining is a repair
Its a rubbery term, it depends how far you want to go. I think anything other than a full engine kit and machining is a repair
