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John Northcott

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  • Toyota Model
    Series 100
  • Toyota Year
    2001
  • Location
    New South Wales

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  • First Name
    John

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  1. Reading the comments about oil usage. I own a Ford Ranger (3.2), a Nissan Patrol (4.2) an old FJ45 Toyota, an Audi Q5 (3.0), a Pajero (3.2) and have had a Navara (3.0), various falcons and commodores and currently have a Case dozer, Samsung excavator and 4WD tractor. Apart from the Commodores and falcons, all the others use diesel fuel and run on 15/40 oil. None have used anything like the amount of oil described in the 4.5 V8 landcruiser. In the past I have found oil consumption overuse to be due to too large a gap in the ring lands on the pistons, poor quality oil control rings, or glazed bores, apart from obvious wear such as valve stems seals, worn rings etc from old engines. Dealers and manufacturers are not going to admit that piston ring lands are at fault as it would mean pulling down the engine and fitting new pistons and rings, a very expensive and prohibitive cost for the company. It is easier for any company to blame it on the oil, the gaskets, the vacuum pump etc etc etc, rather than admit the real cause, as its too expensive. Commodore v8s had a similar problem with the 5.7 when it came out in late 2001? It seems to have been the ring lands in the pistons. They rectified it with better quality pistons and rings after the problem became obvious. ( I bought a 6.0 SS and it was perfect in every way.) I think there is a similar problem here, but company's won't admit it. Hope the problem has been fixed in post 2010 models. I would like to buy a Landcruiser again (I had a 100 with 4.2-great car, no oil usage), but need to find out if the problem is now fixed or if it was still evident in later models. Does anyone know when it was fixed, and if it was please? John
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