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Thread: signumareasa z20net

  1. #161
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    Vehicle : opel

    Trim : signum

    Engine : z20net

    Year : 2007

    Mileage : 120000 mi

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    Had to take the valve cover off because one corner was leaky. While i was there i rethreaded 3 holes just to be sure. So far so good, nothing is leaking.
    Untitled.jpg

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  3. #162
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    Vehicle : opel

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    Year : 2007

    Mileage : 120000 mi

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    And that's still leaking, replaced the gasket, same story. Now i am thinking of using rtv on top of the gasket but i am not sure that will fix it... the surface is not dinged or anything, maybe the valve cover is out of shape but i doubt.
    Also found a "small" brake booster vacuum leak.
    PS: a valve cover bolt has fallen into the engine bay, it's a gonner and of course it's out of production and i can't buy a new one nor junkyard
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  4. #163
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    Vehicle : opel

    Trim : signum

    Engine : z20net

    Year : 2007

    Mileage : 120000 mi

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    Took off the valve cover again because it was leaking oil way too much and changed the sequence pattern of tightening. Found the lost screw, in the turbo area so i guess that's at least one good sign because the screws are out of production and can't be found.
    This might be a bad sign, i doubt the valve cover is that warped from the factory... worst case scenario, gasket delete and rtv like a fing redneck...
    https://www.youtube.com/shorts/hUwCzDwBzP8

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  6. #164
    Regular Member northpole's Avatar
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    Vehicle : Vectra C Saloon( sadly died at age 20 due to a hart attack)

    Trim : SXI limited edition

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    Year : 2003

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    You are checking it on a wooden table...wood is known to warp under temperature... so grab yourself a water level to check if it's actually warped or not.

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  8. #165
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    Vehicle : opel

    Trim : signum

    Engine : z20net

    Year : 2007

    Mileage : 120000 mi

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    Nothing it's warped except for the cover, checked the table with the leveler, straight as hell, no bends in it. Let's just say that when i did the timing kit the vale cover bolts creaked when i unbulted them, "torqued to spec" according to monkeys, that 9 Nm is like nothing, you don't have to go bananas on that

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  10. #166
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    Vehicle : opel

    Trim : signum

    Engine : z20net

    Year : 2007

    Mileage : 120000 mi

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    Meanwhile signumareasa helped us to move from the flat we used to own. Good gal, lots of space but nothing compared to astra caravan
    PS: a wheel cap went flying to oblivion, nowhere to be found; also ordered a PCV valve from poland since it's out of production. Cheapest set by far, only 60 euros(shipping included) for 2 gaskets and once pcv. The valve cover stopped leaking after lots of fiddling and a new bolt pattern combined with only 6Nm instead of 9
    Attachment 128244
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  12. #167
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    Vehicle : opel

    Trim : signum

    Engine : z20net

    Year : 2007

    Mileage : 120000 mi

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    One tiny weld
    IMG_7422.jpg

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