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VVT hub/sprocket movement question S40-V40 2001

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posted by  alschnertz on  Mon Sep 22 06:46 CST 2014
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last visit: Fri Oct 24 10:32 CST 2014
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2001 S40, 183,000 miles.

I’m in the middle of my cam seal replacement project and have a question about the variable valve timing (VVT) hub assembly. This is the turbocharged 1.9 litre engine with the VVT only on the exhaust cam.

I’ve locked the cams together with a locking tool on the rear side of the engine.
The intake cam sprocket is fastened to the intake cam with 3 bolts. That one is straight forward.

But the VVT hub has me somewhat confused. I haven’t removed it yet, so nothing has changed timing wise.

I saw a video of a 5 cylinder with a VVT on the exhaust cam and the disassembler was able to twist the sprocket maybe 10-15 degrees or so (guess) after the cams were locked. However, the hub in that video appeared different from the style I have and the guy mentioned that some are different.

Should I be able to twist the VVT cam sprocket after the timing belt is removed and the cams are still locked? I can’t. And am reluctant to remove the VVT hub/sprocket assembly until I have a clearer understanding that it’s save to do so.

Thanks for any help.
--
"Differences of opinions should be tolerated, but not if they're too different' - Sharon Craig






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