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    7M pistons taking out

    Yeahhh will see :icon_bigg . Usual rod knock can be checked very easy but with this "good" oil pan construction ( and not only !!! ) I need to remove engine from car (or to put down front suspension) in every case .
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    7M pistons taking out

    Do you think if this noise is from bearing ( and I drive around 1000km ) noise will be on every 2-nd revolution only and will disappear when disconnect spark plug ? And also sometimes when car is cold and when I start engine in first 5-10 seconds hear this noise and after that ( oil pressure in...
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    7M pistons taking out

    Yes but noise is not from bottom side . And when remove spark plug on cylinder 4 noise is gone . And noise is only when accelerating harshly and from 2000 rpm and above . And is not on every revolution . And all of these goes to wrist pin . This with improperly installed bearings is not possible .
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    7M pistons taking out

    From my point of view there is a few reasons : 1. When I ( not I but when ) rebuild engine I do not change them and they are old and worn ( around 150 000 km ) together with rods,pistons, shafts, block, head and few other parts . 2. Very low pressure of oil ( 2 bar from 2000 to 6000rpm )...
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    7M pistons taking out

    Thank you for pictures :thumbup: this is actually what I need ! And piston bolt is bolt between piston and rod . Something like this : http://www.made-in-china.com/showroom/cnnina/product-detailGodxtNvrhAcW/China-Piston-Bolt.html Head need to be removed and I know about MHG reusing but do...
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    7M pistons taking out

    Because I hear one knocking noise from one piston bolt and I do not want to ruin my brand new ( on 4000 km ) MHG for one stupid bolt :3d_frown: . For me is better if there is a way to replace piston bolt from bottom side . Please if someone of you have spare block from 7m just check if there...
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    7M pistons taking out

    Hi guys :naughty:. Do you can tell me is it possible to take out pistons from 7M block from bottom side ?