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Inspection hole for timing VG33E

missionstreet
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missionstreet NPORA Newbie

missionstreet

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Has anyone tried to put an inspection hole on the timing cover? Is this a possibility?

 

I have a ~3/16 borescope with side camera + light.

 

I'd like to take a peek easily. 

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Strato_54 NPORA Old-Timer

Strato_54

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Don't see why not lots of 300 VG guys don't run the upper cover at all or even on the RB just for show. I don't recommend doing that in the slightest how ever, putting a little hole with a rubber grommet to cover it would be safe. The cover doesn't contain oil like a chain, you can run it with the covers off when reassembling after changing. 

 

If you're trying to check the belt or put the dizzy back on then this makes sense but there's not much to look at in there all you can see is if the belt is wet/cracked or not. Timing dots are super small and you shouldn't use that anyways. You should be counting the ribs in-between the cams and the driver cam and the crank when installing and removing. the marks are not accurate I've found. I believe it's 40 and 43 or something like that. 

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Strato_54 NPORA Old-Timer

Strato_54

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Top side below the cams, oil usually leaks down the outing backside but if you have an oil drop it could come from inside, and maybe by the tensioner near the thermostat to check the tensioner. but I would for sure put a grommet cover on that one

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Slartibartfast NPORA Old-Timer

Slartibartfast

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I am a little confused on what you're trying to achieve. Are you looking for something in particular, or just keeping an eye on things?

 

+1 for a grommet if you do start making holes. My dad's Tundra had an open hole in the timing cover (previous hack lost a grommet), and a mouse got in. It turns out skipping two teeth is not enough to kill a 2UZ-FE, but making one skip two teeth is absolutely enough to kill a mouse. 

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Slartibartfast NPORA Old-Timer

Slartibartfast

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IMO better to pull the upper cover off and get a proper look, than to drill a hole and potentially drop a bunch of swarf into the belt so you can squint at a screen. 

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