How to replace the serpentine belt, tensioner and pulleys on a Mercedes - W222 - S550 |

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How to replace the drive belt tensioner and pulleys
How to replace the serpentine belt tensioner and pulleys
E12 for pulleys, tensioner and upper air charge bolts
T45 for pulley
14mm for tensioner to release tension
7mm for upper air charge and air intake box straps
Idler pulleys 20 Nm = 15 ft lbs
Tensioner 20 Nm = 15 ft lbs
Charge air ducts 9 Nm = 80 in lbs
1 idler pulleys
www.fcpeuro.com/products/merc...
1 idler pulley
www.fcpeuro.com/products/merc...
1 idler pulley
www.fcpeuro.com/products/merc...
1 belt tensioner
www.fcpeuro.com/products/merc...
1 drive belt
www.mbofbrooklyn.com/revoluti...
V8 Engine
Mercedes Benz
Mercedes Benz Engine
W222
W221
S550
#mercedes
#serpentinebelt
#serpentine
#pulley
#s550
#josecitomarin
2011-2017 S 500/S 550
2011-2014 CL 500/CL 550
2015-2017 S 500 Coupé/S 550 Coupé
2011-2018 CLS 500/CLS 550
2012-2020 SL 500/SL 550
2012-2014 E 500/E 550
2012-2014 ML 500/ML 550
2013-2014 GL 450
2013-2019 GL 500/GLS 500/GL 550/GLS 550

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Опубликовано:

28 фев 2023

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Комментарии : 36

@techguy1678 10 месяцев назад

Jose - Brother your videos are extremely helpful. Thanks a bunch for sharing these. I have been working on my own cars for around 10 years now but am new to the M278 engine on a W221; it helps to watch what you're doing and be able to replicate that on my vehicle.

@josecitomarin 10 месяцев назад

Thank you so much for your comment. I’m glad my videos are helping. Stay tune for more

@cd8431 5 месяцев назад

Congrats to your wife and you for working on this together. What a team work!!!. Your videos have helped a lot of Benz owners. You can get your wife a Benz now, she knows how to fix car just like you. Do you have p/n for the pulley #7 and the tensioner #9. Thanks again Jose for a great video.

@josecitomarin 5 месяцев назад

Hi. Thank you so much. The parts are listed with the links on the description you can just click on them

@paulbernal7433 Год назад

I am definitely doing the solenoids, the sensors, the belt and the pulleys at the same time

@josecitomarin Год назад

Oh yes. Do it all together!

@00Broy Год назад

Your videos are great. Super detailed. Thank you. I see you have put sacrificial pigtails on your cam position sensors. Where did you get these to fit the 3 pin connectors? The genuine Mercedes ones are 2 pin connectors and only fit the cam solenoids (but not the position sensors) on my M278 engine.

@josecitomarin Год назад

Thank you so much. I did not put it on the position sensors yet. But I am going to do a video on it soon. A subscriber told me where to get them

@ericardila7783 6 месяцев назад

Jose, excellent videos, I've been working on my 2016 following your advice. what is the service manual you are using? I would like to buy it. Thanks!

@josecitomarin 6 месяцев назад

Hi, I use alldata. Use the following link to get discounts if you are in the USA. www.pjatr.com/t/3-268932-324229-140959

@orgundeveci1613 Год назад

Great video, very informative as always. May I ask, at what mileage you changed the pulleys and tensioner? What was the reason? Did you hear a noise or just preventative maintenance? thanks a lot.

@josecitomarin Год назад

Thank you so much for your comment. I changed them at 50k mikes. It was time for the belt to be replaced so I decided to replace everything since I was going to be there anyway. I also had to remove the duct pipes for the adjuster magnets. So I decided to do everything at once so I don’t have to take it all apart again and made two separate videos out of it. Nothing was making any noise.

@orgundeveci1613 Год назад

@@josecitomarin Thank you for your respond. Appreciated. I thought 50k miles is also too early to change the belt for Mercedes. But you were already there for the camshaft magnets. Make sense.

@josecitomarin Год назад

@@orgundeveci1613 right, you are already half way there. May as well

@Rmayrap Год назад

My man came through with the video! About to tackle this job this weekend myself. You didn't change the big top Drive Belt Idler Pulley 6112340193? Also I noticed you didn't use part 2782020219? Did you just order two of the 2782020519 instead? Just trying to figure out all the correct parts I need.

@josecitomarin Год назад

No problem my friend. I did not change the top pulley. FCP says it’s not necessary. I should have done it. But in any case it will be simple to do it at a later time since I just have to loose tension on the belt and take it off. I have another interesting video coming as well.

@Rmayrap Год назад

So did you get 2782020219 or did you use two of the 2782020519 pulleys?

@josecitomarin Год назад

@@Rmayrap they are different get the 2 of them

@Rmayrap Год назад

You link says to get two of the 2782020519 that's why I was asking.

@josecitomarin Год назад

@@Rmayrap I have to change that. Thank you

@claytoncox66 Год назад

Do you know the torque spec for the top guide pulley? I am replacing all of them.

@josecitomarin Год назад

Thank you so much for your comment. 70 Nm or 52ft lbs

@claytoncox66 Год назад

@@josecitomarin thank you!

@josecitomarin Год назад

@@claytoncox66 you are welcome

@claytoncox66 Год назад

@@josecitomarin when I was looking at the work instruction, one of pulleys is listed at 35NM. Which one is this?

@josecitomarin Год назад

@@claytoncox66 yes. They say in the directions to torque the pulley to the coolant pump and oil filter. But I torqued them to 20 and gave them a little extra pressure. I also asked somebody that works at the dealer and he thinks the same way. They are working perfectly

@CorteviosAllen-xm1bj 11 месяцев назад

Hose my belt keeps slipping off of my oil filter housing pulley

@josecitomarin 11 месяцев назад

Hi. Thank you so much for your comment. Did you do anything to the engine? How long ago did you replace the belt, pulleys and tensioner? Did you ever change them? One of the pulleys may be misaligned, the belt may be bad and it comes out always by the oil pulley because that pulley is bad. Check if any of the pulleys have play. Also check if the pulleys are turning easily. By now that belt is probably bad as well because it keeps getting hit at the edges when it comes out.

@CorteviosAllen-xm1bj 11 месяцев назад

@@josecitomarin need to change my upper pulley bracket. I took them all apart again and that one is stripped. Thanks Jose.

@josecitomarin 11 месяцев назад

@@CorteviosAllen-xm1bj okay great. I’m glad you found the issue