Engine Oil Change Suggestion!

[SaNGRia]

Hello everyone! I am getting all my orders from ECS tomorrow. And the car was at the jack stand about 5days. I will replace engine oil and differential fluid at the same time. Since the car was sitting, do i need to start the car or it is ok just to drain oil without warming up?

[javarithms]

You should be fine but per the manual the oil temp should be ~210F or normal operating temp when you replace the oil.

[SaNGRia]

Originally Posted by javarithms

You should be fine but per the manual the oil temp should be ~210F or normal operating temp when you replace the oil.

My theory is if the car sits 5 days, most of the oil should be in the bottom? and if i start the car the oil gonna go all over but it will drain more quicker since it is hot? Or it doesn't work that way?

[SaNGRia]

One of the reason i was asking was, my axle back is removed since i am waiting for my differential shaft screws, i wanted to drain the oil till morning. That way i don't have to start the car without axle back in the garage. Or it is worth to wait till tomorrow and do it when its warm since its a pretty expensive oil change?

[Beemdog]

Originally Posted by SaNGRia

My theory is if the car sits 5 days, most of the oil should be in the bottom? and if i start the car the oil gonna go all over but it will drain more quicker since it is hot? Or it doesn't work that way?

Yes, it works that way-- hotter oil drains more quickly but can be a pain to work with. Just leave the drain plugs open longer when draining cold-- and best not to start the car at all before draining if it is not getting a full warm-up. I also bring the car down close to level to finish the oil draining (just low enough to still be clearing the oil drain pan).

[SaNGRia]

Originally Posted by Beemdog

Yes, it works that way-- hotter oil drains more quickly but can be a pain to work with. Just leave the drain plugs open longer when draining cold-- and best not to start the car at all before draining if it is not getting a full warm-up. I also bring the car down close to level to finish the oil draining (just low enough to still be clearing the oil drain pan).

So if i drain right now and leave it unplugged till morning, do you think it will be as good as draining in warm condition? Or the upper parts are not going to drain well since it is cold?

I am just thinking you know since i don't DD this car, just the theory of mine is when i parked the car, the engine was really hot! So it sit at the same position about 5 days. So all of the oil already sit to the bottom when it was hot! And then oil got cold! So the theory is 95% percent should be at the bottom, 2% percent in the filter area (or maybe there is nothing in the filter area since i didn't start the car) and 3% on the components? Just thinking

[ezndo]

Gravity is your friend......if you remove the drain plugs the oil will drain, whether it is hot or cold. It will just drain faster when it is hot.

[SaNGRia]

Originally Posted by ezndo

Gravity is your friend......if you remove the drain plugs the oil will drain, whether it is hot or cold. It will just drain faster when it is hot.

So since it will drain all night, it should be fine then . I just try to do something right not to waste my time and money just because draining cold

And also i trust people here more than anywhere else!

[Beemdog]

Originally Posted by SaNGRia

And also i trust people here more than anywhere else!

You should; we are very trustworthy!

And since you are in Florida, may I interest you in some Key West waterfront properties I have for sale?? All have 360 degree ocean views!!

[CIFUM3]

Originally Posted by Beemdog

You should; we are very trustworthy!

And since you are in Florida, may I interest you in some Key West waterfront properties I have for sale?? All have 360 degree ocean views!!

I think I laughed way to much at this post^^ lmao

[SaNGRia]

Thank you for suggestions! I drained the oil today without warming up. It took approx. 30-45 min. I got 8.6L out!

I didn't start the car yet. The differential screws will be arrive tomorrow and my axle back still out of the car!





I used the shop vacuum to get all the oil out. And it was approx. 0.3L in the filter area.



I renewed all the seals. Added 0.3L Oil back and screwed back to the place.









Then i started the car :



After test drive i put it on the ramp to check my differential leak status (after replacing the seal), oil level said LOW. It never gave this one before while on the ramp, so i added 0.2L as well today! I didn't check the level yet, i hope it is ok

Other than that whomever says the oil change doesn not make the car smoother, it is just a physiologic process in your mind" they definitely don't know what they are talking about. I forgot to use DB App Before and after engine noise (it was really on my mind) but i must say this V8 engine is running like my s/old 2.0TSI GTI right now! Smooth and Nice. Literally it doesn't make any noise at all!

[SaNGRia]

Here is some ISTA FIY :

Oil Drain Plug Torque Wrench (25nm = 18.4 Foot)


Oil Filter Cap Torque Wrench from 25nm to 40nm


Oil Consumption Measurement

[dparm]

A bit late to the party here, but the warmer, the better. Oil thins out as it warms up meaning you'll be able to drain more out. Only downside is that you can burn yourself if you're not careful.

As for the whole "smoother operation" after an oil change, it is not placebo. There were some SAE papers published IIRC that actually measured this. It came down to differences in viscosity and additive packs. It does vary from engine to engine, and the conclusion was that although one oil may seem quieter or smoother, that does not translate to better protection, decreased wear, etc.

[SaNGRia]

Thank you for the info. Yeah i can tell warmer may be better but i drained 8.6 incl. the oil filter area! So i was pretty happy with the results And then i got one drop leak every time i drove the car but nothing when its parked. Tried to tighten up the screw from 20nm to 25nm which is suppose to be, i broke the screw head /: I was ready to drill with this special screw extractors and found out that German Engineering already thought about what they re doing When u re using too much pressure on this screw, the head is getting broke, and the part which left inside, still has the thread to use your 6mm Hex, so i removed it and used my old screw with old washer. Now it works perfect

[kenwelch]

Originally Posted by dparm

A bit late to the party here, but the warmer, the better. Oil thins out as it warms up meaning you'll be able to drain more out. Only downside is that you can burn yourself if you're not careful.

.

Since we're using multi-viscosity oil (10w - 60) the oil gets thinner (better flow) when COLD .

[Leonardo629]

Originally Posted by kenwelch

Since we're using multi-viscosity oil (10w - 60) the oil gets thinner (better flow) when COLD .

oil gets thinner when cold? come again for big fudge?

[kenwelch]

Originally Posted by Leonardo629

oil gets thinner when cold? come again for big fudge?

10w = 10 viscosity at 0 degrees F.
60 = 60 viscosity at 210 degrees F.
10w-60 = better flow when cold.

Fudge is not multi-viscosity that is why it helps to warm it before trying to pour it on the ice cream.D

This link will help with the details. You'll never look at that motor oil bottle the same.

http://www.upmpg.com/tech_articles/motoroil_viscosity/

[SaNGRia]

Awesome article. Thank you!