NEVER Ever 5W-30 on the Land Rover Discovery 4 LR4 Again!

Hey everyone! In this episode I want to tell you why I changed from my 5W-30 C2 engine oil to a 5W-40 C3 engine oil with a higher HTHS (High Temperature High Share) value and why you should change too!

The answer is actually quite simple as well as logical and that is because I want my engine to stay alive for a long time. And in my opinion, it can only do that if it is maintained with the right products.

I know that there are many opinions about oil for Land Rovers, but after changing the oil I can report that the engine runs smoother and smoother!

According to the Land Rover manual, a 5W-30 C2 oil is actually sufficient. However, if you compare the viscosity of the two oils, you will notice that the 5W-40 C3 oil has a much more stable lubricating film at higher temperatures than the C2. And that's exactly why I've been using the 5W-40 C3 oil in our Discovery 4 lately.

Even if the consumption is supposed to be higher due to the thicker or more viscous oil, this is out of all proportion to the costs of possible damage to the engine.

What is the HTHS value?
The HTHS value is a measure of the viscosity of an engine oil under demanding conditions. Specified limit values ensure that engine oils can maintain a tear-resistant lubricating film in the bearing area at high temperatures and high speeds (shear gradient), even in high-performance engines.

Products I used in this video: (affiliate links)

➡️ Castrol 5W-40 C3 (5 litres):
https://amzn.to/3wwfami

➡️ Castrol 5W-40 C3 (1 litre):
https://amzn.to/3R81hEt

➡️ The MANN Oil Filter with O-Ring:
https://amzn.to/3Y3IvAc



INDEX:

00:00 Intro & Information
01:46 Preparing & Get started
06:00 Drain out the oil
06:30 Dismantle the oil filter
08:10 Check the oil
10:00 Install the new oil filter
12:45 Fill in the new oil
14:10 Check the oil level


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Thank you for your understanding that my English is not quite fluent. But I am trying to improve.

All the best,
Peter


⚠️ Please always pay attention to your own safety when working on a vehicle and never lie unsecured under a car! I do not accept any liability for the correctness of the information given in the videos or for damage caused by improper processing of products or by mistakes made during your own installation, nor for your personal safety! These videos are for entertainment purposes only and are not intended as instructions or for imitation!


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