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Unfortunately, oil consumption in these engines can be quite large. GM has put out service bulletins which says that engine use up to 1 quart per 2000 miles is perfectly normal. I found some information on the bulletin: (NOTE: - I was unable to find the actual bulletin, but the following is an excerpt from it, which was copied into the forum link I provided ...


3

Not necessarily a presoak, but if you use a product like original Gojo: It will clean the grease/oil really well. You may want to run the stuff through a second time with regular washer detergent to ensure the washer is clean after use. The alternative way would be to take them to a laundromat and use their washer. Only needs to be run through once that ...


1

It also depends on if your car is set for long life service intervals or not. I've got the Bora 1.9 TDI PD130 (2004 model year) and it seems to need oil changes every 20k miles. Checking the oil level regularly is very important as low oil on these engines will cause untold damage. Also, if you change the oil more frequently than required then this is ...


1

Rings generally wear at the same rate meaning that when it's time to replace one you should be replacing them all as they're not seating with the cylinder properly any more. Burning oil does not always imply a loss of compression. Cars with good rings will burn oil due to bad valve guides or bad valve guide seals. A compression test should help you ...



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