Question 1

Is this a product that has to be used at every oil change? How does it perform with Mobil 1 EP 5/30?

Accepted Answer

I use only mobil 1 products. I use this in two deisel engines one dodge one Mercedes, and gasoline Ferrari 360.  No issues at all make them all run quieter and smoother.

Question 2

How long should you leave it in your oil before changing the oil?

Accepted Answer

Sorry for the delay. Cera Tec is going to work in the friction system for 30.000 miles . But you are going to change the oil as always you do. Before use Cera Tec,use a Liqui Moly Valve Clean in one full fuel tank, then change the oil and after use Cera Tec.

Question 3

I already used one can but my audi S5 3l takes 6.2l of engine oil. I ordered another can, should I pour it all in? Are there any issues with overfill?

Accepted Answer

From the product packaging Application: Minimum oil filling of 3 liters [3.17 U.S. QT] is required for optimum product performance… Will treat 5 liters [5.28 U.S QT] of oil [6 % of total oil quantity] Continue to maintain oil change intervals as prescribed.

Question 4

How this product will perform with a high mileage engine that is worn and consumes oil? Is there a possibility that oil consumption will be reduced?

Accepted Answer

That’s not true. There is a differance between high mileage and non high mileage oil. The difference is the additive package. High mileage oils have higher levels of moly and zddp phosphorus and other anti wear chemicals. At least they should. The ones I’ve compared do have higher levels. They also contain seal conditioners. When rubber seals age they can become cracked and brittle. High mileage oil contains conditioners for this. Now how well all of this actually works is up for debate but they do contain different additive packages. The thing that makes an engine oil is the base oil used and the additive package. Additive packages are generally around the same but they do differ by oil brand. Generally you can’t go wrong with Mobil 1, redline, Eneos, Castrol synthetic, royal purple, Quaker state synthetic, Valvoline synthetic, Amazon full synthetic, Napa good synthetic, or basically any synthetic oil. I have a Nissan and I use Eneos 5w30 because it’s a Japanese oil made in Japan for Japanese engines. Can it be used with any engine that requires 5w30? Of course it can. It’s just a personal preference and I know that they use a robust additive package with average or better percentages of all the additives.

ASIN	B001CZODH8
Best Sellers Rank	#865 in Automotive ( See Top 100 in Automotive ) #2 in Engine & Oil Fluid Additives
Brand	Liqui Moly
Customer Reviews	4.8 4.8 out of 5 stars (34,251)
Date First Available	June 8, 2011
Item Weight	10.6 ounces
Item model number	03721
Manufacturer	Liqui Moly
Manufacturer Part Number	P000017
OEM Part Number	20002
Product Dimensions	2.5 x 1 x 3 inches

LIQUI MOLY Oil Additive Cera Tec | 300 ml |SKU: 20002

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