Winter maintenance project 4.6is

[jontezan]

Originally Posted by bcredliner

Have you seen this video series?

https://www.youtube.com/watch?v=bGmni3iTkhk

Thanks! Alot of good info 😄


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[jontezan]

Originally Posted by X53Jay4.8is

I would review the Beisan vanos repair procedures/instructions. They are well laid out and of course you do not have to do all of the instructions since you are not doing a vanos repair. Off of the top of my head I dont think you have to remove vanos camshaft sensor trigger wheel. Your just doing the timing chain and guides. Give it a read through. Very informative.



Beisan Systems - Procedures - M62TU Vanos Procedure

Thanks for info! They had a pretty nice guide 😄


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[jontezan]

Left of here for today. Need to buy a set of 1/2 inch socket torxes, i only have 3/4 at home. Think i will brake them when unbolting the exhaust camshaft sprocket. And once again, i really appretiate the help i get from you guys 😄👍


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[X53Jay4.8is]

Originally Posted by jontezan

Left of here for today. Need to buy a set of 1/2 inch socket torxes, i only have 3/4 at home. Think i will brake them when unbolting the exhaust camshaft sprocket. And once again, i really appretiate the help i get from you guys 😄👍


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Yes make sure you get a good set of 1/2 inch spline sockets. The factory has them torqued and locked down well.

[jontezan]

Found this in bmw tis. Seems that you are taking a chance that the vanoses are fully retarded to the left. I am going to break all 4 camsprockets free, seems that it is nessecery to get away all chainslack when timing the engine 😄


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[jontezan]

Chains and guides remowed, the guides wherent in that bad shape, the u-rail was the one that had the most wear on it


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[X53Jay4.8is]

Originally Posted by jontezan

Chains and guides remowed, the guides wherent in that bad shape, the u-rail was the one that had the most wear on it


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As you can see the urail was on its way out and just matter of time for the others.

[jontezan]

Originally Posted by X53Jay4.8is

As you can see the urail was on its way out and just matter of time for the others.

Yes, thats true. If the u-guide breaks it takes the rest of the other guides with it. When i first read about the chain problem on these cars i got worried, so it is going to feel nice that they are all good. 😄


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[jontezan]

New primary, upper chains and guides replaced. I have also changed the guide pieces and o-rings on the upper tensioners. Now for the timing bit. I have had all camshaft sprockets free rotating, so i dont have any chainslack anywhere. Both vanos units are fully retarded counterclockwise to the left. All 4 camsprocketbolts are snugged up and ready for final tourqe. Have i missed something? Have a nice weekend 😄


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[jopecasa]

Have you done the Valley pan maintenance?