Will this be suitable for vw touran 1.9 tdi manual 2005 ?

I have used it in my 2litre tdi Nissan X-Trail at 6 years old, and 50,000 miles on the clock. It reduced winter rattle from the engine, and the engine ran a little smoother than usual, especially at cold start in winter for the first 6-7 minutes. It has no damaged any components and 2 years later the engine is running smoothly as usual. I have bought a second bottle to use at the next oil change to help protect the engine from future wear. I did not witness a reduction in fuel consumption that some have experienced. My father has an X-Trail with an older engine, and he reported not seeing much difference after using the product. My brother has a petrol Honda Civic and claimed it did not have much visible effect for him either. So, I guess the effects are largely hidden on the interior surfaces of the engine, promoting a longer service life. My mechanic has seen the surface effect of the Ceratec in the engine ans says the effect is clearly visible and the surfaces are smoother to the fingertip touch. I believe this worth giving it a try.

Can I use Ceratec on automatic transmission diesel?

Yes, providing you are planning to use it in the engine and not the gearbox you will be fine. If you're planning to use it as a gearbox additive, I'd contact Liqui Moly first to make sure its ok to do so.

Can i use ceratec on petrol/hibrid dngine?

Hybrid car still running and charge battery using petrol engine so I can't see why not

Can I use it with oil additive and hydraulic additive in the same time ?

Yes you can. It also can be used with an engine flush. See you tube videos. To see what takes place. Also. It will not work immediately..... Say 100 or 150 miles after adding it you will definitely see somthing is changing...

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Cera Tec 3721 I Ceramic Wear & Tear Protection for Petrol & Diesel Engines I Smoother Engine Performance, Less Friction & Lower Fuel Consumption I Ceramic Additive 300 ml Pack of 1

Product ID: 47969229

Details

Automotive Fit Type
Universal Fit
Brand
Liqui Moly
Flash point
100 Degrees
Global Trade Identification Number
Liquid volume
300

⛽Improves fuel efficiency, lowers consumption

🔥Withstands extreme engine temperatures

⚙️Reduces engine friction by up to 30%

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€ 52.99

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Description

⚙️ Elevate your engine’s game — smoother rides, smarter savings!

LONG LASTING EFFECT - One 300 ml bottle treats up to 5L oil, protecting your engine for up to 50,000 km.
FUEL ECONOMY BOOSTER - Optimizes engine efficiency to help you save on fuel costs over time.
UNIVERSAL COMPATIBILITY - Mixes seamlessly with all petrol & diesel engine oils for versatile use.
SMOOTHER QUIETER ENGINE - Significantly reduces friction and engine noise for a premium driving experience.
ADVANCED CERAMIC PROTECTION - High-tech ceramic compounds form a resilient wear barrier inside your engine.

LIQUI MOLY Cera Tec 3721 is a premium ceramic-based engine oil additive designed to reduce friction and wear in petrol and diesel engines. Compatible with all commercial motor oils, it forms a durable protective layer that enhances engine longevity, smoothness, and fuel efficiency. Each 300 ml pack treats up to 5 liters of oil, delivering benefits lasting up to 50,000 km, making it an essential upgrade for professionals seeking reliable, high-performance engine care.

Specifications

ASIN	B001CZODH8
Automotive Fit Type	Universal Fit
Best Sellers Rank	208 in Automotive ( See Top 100 in Automotive ) 1 in Engine Oil Additives
Brand Name	Liqui Moly
Country Of Origin	Germany
Customer Reviews	4.7 4.7 out of 5 stars (34,153)
Flash Point	100 Degrees Celsius
Global Trade Identification Number	04100420037214
Item Type Name	Cera Tec
Item Weight	0.3 Kilograms
Liquid Volume	300 Millilitres
Manufacturer	Liqui Moly
Manufacturer Part Number	P000017
Model Number	03721
Size	1 x 300ml
Unit Count	300.0 millilitre

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