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CamShaft Assembly Question

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Old Jun 9, 2017 | 09:59 PM
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4lph4's Avatar
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Default CamShaft Assembly Question

I'm getting ready to replace my timing chains and phasers in the near future. I plan on taking the roller followers and the camshaft out for a good inspection and cleaning.

My question is, what position is the camshafts supposed to be in during reassembly? The closest thing I could find is having the intake lobes on the right side and the exhaust lobe on the left at 11.
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Old Jun 10, 2017 | 09:54 AM
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EXACTLY the same position it was in when removed. Just set the engine correctly as you describe (2 intake lobes on Cyl 1 @ 11:00 o'clock) for disassembly. You'll probably have Phaser's removed _before_ removing cams. Just note (draw a sketch) of position of the Phaser alignment pin hole in the very front of camshafts.



I removed my cams to remove/replace all lash adjusters & roller followers. I 'carefully' set ALL the new roller/followers in place - and 'very gently' set cams on them, placed journal caps in place and sequentially and slowly tightened cap bolts a little bit at a time until they pulled the cam down tight. (Only knocked a couple of roller/followers off a couple of times - but the cam will sit there with journal caps off.)
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Old Jun 16, 2017 | 04:00 PM
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If you're pulling them all out, you:
- put your HLA all in place,
- bolt your cams down
- set up timing chains
- put RFF back in wherever the valves are closed and the cam lobes are more 'up' than 'down'.

Probably going to need a valve spring compressor to do it this way.
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