XJ XJ6 / XJ8 / XJR ( X350 & X358 ) 2003 - 2009

Cam timing and VVT?

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Old 12-15-2018, 03:37 PM
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Default Cam timing and VVT?

'04 4.2. I'm redoing the timing, and am in need of a good instruction on setting the VVT.
The problem: I want to be sure the VVT is set properly for reassembly. All I can find is "make sure it is in the fully retarded position."
How would one do that? There must be a resource, somewhere. The million-page shop manual doesn't really get into it, to my surprise.
Can someone suggest a place to find it? Meanwhile, I'll keep searching.
marc

 
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Old 12-20-2018, 07:17 AM
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Seems to me their is an alignment tool for each side when resetting the valve timing.
 
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Old 12-20-2018, 09:03 AM
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Refer to the AJ-V8 and V6 Engine Course:

https://www.dropbox.com/s/vqpy3bbjzd...e_168.pdf?dl=0

Pay close attention to the top of page 74 of the PDF (page 26 of the course) on correct camshaft timing.

Below is a description of how the VVT units function.
 
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Old 12-20-2018, 10:51 PM
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Followup: After a lot of (somewhat contradictory) research, I took it apart to check it out and was surprised.
As it turns out, this newer-gen VVT unit does not require adjustment.
Luckily, it only assembles one way and is therefore relatively idiot-proof. One less part to worry about!

 
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