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VVT-hub question

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Old Jun 12th, 2018, 20:12   #1
emtor
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Default VVT-hub question

I'm about to replace the VVT-hub on my Volvo V40 2002 1.8 litre non GDI engine.
There are two kinds of hubs on the Volvo engines, one with some sort of spring loaded helix gear and one with vanes inside the hub. Mine has the newer kind with vanes.
There are no marks to indicate which position the hub is supposed to be at when mounted.
Question: Does it matter how the hub is mounted? In other words,-does it need to be mounted in a particular position or can it just be slid into place and fastened like a non-VVT sprocket would?
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Old Jun 13th, 2018, 02:54   #2
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Does not matter. The back of the cams are locked using the locking tool and the lock tool does not come off until you have totally torqued down the VVT gear thus setting it exactly right regardless of its orientation.
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Old Jun 13th, 2018, 08:47   #3
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Thanks.
I thought as much since there are no position marks neither on the engine nor on the hub, but I wanted to make sure it is so.
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Old Jun 22nd, 2018, 09:05   #4
bimmer49
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What are you using to lock the cam shaft in place emtor? I was thinking of fabricating something rather than buying a whole load of junk I wont use again.
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Old Jun 22nd, 2018, 13:53   #5
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If you are considering fabricating be sure to make it nice and strong. When tightening that vvt there is a considerable amount of force put on the cam itself and therefore the tool too. Pretty sure someone posted some specs for the tool on here somewhere for just that purpose (fabricating). Alternately I’m sure someone would send you theirs through the post for a nominal fee as long as you promise to send back.
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Old Jun 23rd, 2018, 08:17   #6
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Quote:
Originally Posted by bimmer49 View Post
What are you using to lock the cam shaft in place emtor? I was thinking of fabricating something rather than buying a whole load of junk I won't use again.
I bought that load of junk,-will probably never use it again unless my next car is also a Volvo.
And yes, make the tool very solid. 3 millimeter flat bar etc. will not survive for very long.
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