Winter maintenance project 4.6is

[jontezan]

Originally Posted by jopecasa

Uh...oh.....Jesus.....THAT thing.....scares me!

Hahaha i had to take a bath in holy water before attempting to unscrew it, But i felt good when snapped loose =)

[jontezan]

Originally Posted by X53Jay4.8is

Yeah my brother and I had to use a pipe from home depot to get the correct amount of leverage. Yes its true that Jesus himself torqued that bolt down. Please be careful

It was sitting real hard, i had to use pretty much force on the first half unscrewing. I used a 1 metre cheater bar on my 3/4 inch handle, and my homemade locking tool. Felt good when it came loose 😄


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[jontezan]

Question about the timing tools. On bank 1-4 the intake camshaft points uppwards, while on bank 5-8 i can easily put on the tool. On bank 5-8 it is not complete flush to the head but nearly. The engine is at tdc with the locking pin inserted in the flywheel


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[X53Jay4.8is]

Originally Posted by jontezan

Question about the timing tools. On bank 1-4 the intake camshaft points uppwards, while on bank 5-8 i can easily put on the tool. On bank 5-8 it is not complete flush to the head but nearly. The engine is at tdc with the locking pin inserted in the flywheel


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If I remember correctly I just tapped the cam locking blocks in place to fit flush and lock the cams.

[jontezan]

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[jontezan]

Originally Posted by X53Jay4.8is

If I remember correctly I just tapped the cam locking blocks in place to fit flush and lock the cams.

I can easy turn the intake camshaft without any movement in the chain (it turns inside the vanos), all the diy guides i found dont mention this, usually you see a picture of the cam locks on already. There are markings on the edge of the cams facing uppwards bank 1-4 and bank 5-8 so i know i got the tdc position right. But im gonna take the open wrench and get them in position so the cam locks fit


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[X53Jay4.8is]

Originally Posted by jontezan

I can easy turn the intake camshaft without any movement in the chain (it turns inside the vanos), all the diy guides i found dont mention this, usually you see a picture of the cam locks on already. There are markings on the edge of the cams facing uppwards bank 1-4 and bank 5-8 so i know i got the tdc position right. But im gonna take the open wrench and get them in position so the cam locks fit


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You can turn it because its the retardation/advance movement of the vanos.

[jontezan]

Originally Posted by X53Jay4.8is

You can turn it because its the retardation/advance movement of the vanos.

I got it flush last night on both sides. im going to remove the lover timingcover today, is there anything else to Think about before i dissensamble the guide rails? The crank is locked at tdc, and the camblocks are on. Thx all for your help =)

[jontezan]

Just wondering, since im not going to do anything at this point with the vanos units, do i need to remove them to change the upper chains and tensioners?


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[X53Jay4.8is]

Originally Posted by jontezan

Just wondering, since im not going to do anything at this point with the vanos units, do i need to remove them to change the upper chains and tensioners?


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Not necessary to remove vanos unless you have the vanos noise problem