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Hatchbacks Volkswagen Golf Volkswagen TDI Models
2478 messages, Last post on Nov 30, 2009 at 9:34 AM
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Replying to: ruking1 (Aug 14, 2007 7:48 am) I would love to know what the life expectancy is for my 2007 Sentra. I have already installed a dual by-pass filter system (Amsoil) that I had on my previous car. I am using synthetic oil and after a few OCI's and oil analysis the plan is to change oil every 10 to 15k miles. It all depends on the next 2 or 3 oil analysis results. I want to keep this particular car for at least 300k, maybe more if it holds up well without mayor repairs. The big question is the durability of the CVT. I apologize for posting this here. I know, next time it will be on the Sentra forum.
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Replying to: pulgo (Aug 14, 2007 7:56 am) As you know, just the physical act of increasing your systems' oil capacity lets you increase the OCI!! An easy example is a 4 qt sump with a 1 quart increase (due to things like adding the filter system) for a 25% increase or now (in the case of the recommended TDI 10,000 OCI) 12,500 miles. So when you combine it with the increased by pass filter added to the stock filtering, barring any anomolies, you can be good to go for a much longer time and many more miles. (verified by UOA's for the curious or truly paranoid)
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Replying to: ruking1 (Aug 14, 2007 8:19 am) All the UOA's on my 2001 Toyota Echo had single digit (or zero) numbers for all the important metals and other oil suspended particles. This for OCI's between 15 and 18k miles! The numbers were essentially the same as UOA's for 3k miles without the special filtering. Here is an example: http://theoildrop.server101.com/forums/showflat.php?Cat=0&Board=UBB3&Number=2257- - 89&Searchpage=2&Main=225779&Words=highmiler&topic=&Search=true#Post225789 Only copper was 10 after 11k miles!
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Replying to: pulgo (Aug 14, 2007 8:34 am)  The only thing I would do is to have the dealer or whomever you trust to do this to check the chain on the echo (if so equipped  250k )!! If belt equipped just do your recommended cycles. All the best to 400k and above !!
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Replying to: ruking1 (Aug 14, 2007 8:43 am) The big question is, will the timing chain survive that kind of mileage? Or is it the water pump, the alternator or some other accessory item that will go first? I never had to replace anything, not even a light bulb on my Echo. I sold it with 200k miles because I wanted (not needed) a new car. I did, however, quite a bit of preventive maintenance like ATF and coolant drain and fill on a yearly basis. Belts and spark plugs every 2 years.
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Replying to: pulgo (Aug 14, 2007 8:49 am) If I understand your post, since you sold it; the question is now academic?
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Replying to: ruking1 (Aug 14, 2007 9:01 am) I meant my 2007 Sentra.
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Replying to: pulgo (Aug 14, 2007 9:05 am) The alternator and water pump are truly consume able items with higher mileage cycles. I would replace only when it fails. But... In the VW TDI (A4) for example, it makes sense to change the (app 60 dollar or less) water pump at the 100k mile timing belt change as most of the cost is labor (on the A4 model-due to the design) and the labor cost to change the water pump out at the timing belt cycle is a minor percentage. On the A3 model, since the water pump is not an intergral part of the design, changing out a water pump at 100k makes NO sense, as it can easily last 250,000 miles. So on the 2007 Sentra, you will need to determine if the water pump is out of line or in line designed.
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Replying to: ruking1 (Aug 14, 2007 9:18 am) I will find out. |
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Has anyone experienced their TDI just shutting off? New TDI Wolfsburg, 20,000 miles turns off around corners or slowing to a stop. Clutch is in all the time. Driver very experienced with a stick (2000 Corvette and 2005 Porsche Carrera S). Anyone have any idea, the dealer sure dosn't.
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