Quote:
Originally Posted by lynns hubby
I Have never paid more than £70 for the Genuine "kit" which is 6Ltr oil oil filter and sump washer.
Ebay has a couple of genuine Volvo dealers doing online kits.
Last one I used was Rybrooke Volvo.
I am sure that I could probably get the oil and filter (non genuine) for a lot less from my local factor but its not as though you are doing the old school 6000 services.
If I were changing the oil and filter twice a year then I may be tempted to use other products. Don't forget this is 18000 mile stuff
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I got 6L of oil from Halfords for £38 (Mobil 1 Super 3000 5w30, meets A5/B5 spec). The oil filter (Mann) was £9... It wasn't a filter from the dealership, but the filter Volvo sell is a Mann filter in a Volvo box anyway (its got Mann stamped on the top of it!).
I'm aware the oil is to be changed at 18,000 mile intervals & that the 0w30 is a longer life product. Remember, the service schedule is 12 months or 18,000 miles (whichever comes first). It doesn't mean you leave the oil in the car for years on end until you do 18,000 miles, as not everyone does that kind of mileage anyway.
Quote:
Originally Posted by AndyV7o
5w30 isnt thicker except in the cold. At operating temp 0w30 and 5w30 are the same.
At 0°c there will be a notable difference between 0w and 5w. What this is I can't find out and haven't had time to get my head around using viscosity index to calculate, but take a 0w40 vs a 5w40 (since I have figures to hand) both fuchs Supersyn, 0w40 at 40° is 74.4cst and 13.2cst at 100°c, while the 5w40 at 40°c is 83.5cst and 14cst at 100°c, you can see the negligible difference at 100 vs the bigger difference at 40 where the oil is much thicker too. This is at a temp hotter than a melting uk summers day, imagine how this pans out down at 0°c... Your engine is designed to run on the 100°c viscosity... (Expansion and contraction play a part here though cold vs hot engine too)
That said, this makes it sound much more extreme than reality, it is simply to illustrate the difference that one grade can make, since the question was raised.
As previously stated, 5w30 is ok, not a particular problem, simply not -as- good/appropriate as 0w30.
0w30 is more expensive, because its more expensive to make, because it requires higher grade ingredients to work, not to fleece people.
Yes 5w30 used in other vehicles, but those are different engines. You dont put 5w30 in a Capri nor fo you put 20w50 in a D3, hence, regarding euro4 D5 5w30 is ok but the specced oil is 0w30, whereas a PSA 1.6hdi fir example is specced 5w30 to begin with. Again, since this point was raised, not nitpicking with anyone!
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5w30 is also mentioned in the owner's manual in a chart form, as are other oil types. I understand that 0w30 is the best oil for the engine though & the points you're making. I'll stick with 5w30 though, its fine for this climate. Not as good as 0w30, but still decent stuff.
I don't want to come across like I'm nitpicking either... its a forum, its for discussion!
