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 Post subject: Valve lash clarification
PostPosted: Thu Aug 04, 2011 9:23 am 
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Joined: Thu Aug 04, 2011 8:20 am
Posts: 3
Location: pennsylvania
I have a 2001 chevy metro lsi 1.3L 4 cylinder and I just put my cylinder head back together. I need to know how to properly adjust the valves. I tried turning the camshaft until one spring was under full tensions and then adjusting the screw. The spring tightened more but it never snugged against my feeler guage even when maxed out. It was a spring for the exhuast manifold which I read should be between .009-.011. I was using the .011 feeler and it never snugged.

Could someone tell me where the feeler goes and how the camshaft should be set when i'm adjusting (ie. should the lobe be pusing completly on the lifter or just barely touching)? Thanks!


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PostPosted: Thu Aug 04, 2011 9:38 pm 
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Joined: Thu Jul 09, 2009 1:14 am
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Location: Prince George B.C. Canada
Where are you inserting the feeler gauge?


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PostPosted: Fri Aug 05, 2011 6:49 am 
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Joined: Thu Aug 04, 2011 8:20 am
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Location: pennsylvania
Sorry after doing some more searching on your site I saw where I was supposed to be putting the feeler gauge. Thanks for help!


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PostPosted: Sat Mar 10, 2012 1:18 am 
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Joined: Mon Nov 23, 2009 12:37 am
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Location: Vancouver, Best Cannabis
It is .004 at the intake and .006 at the exhaust. Measure with a feeler guage between the camshaft bottom lobe and rocker arm contact. Torque the rocker arm nuts to 10 lbs. Valve cover bolts get 8 lbs. The factory service manual and haynes manual suggest to make the adjustment at the bottom of the valve tappet, which is impossible to squeeze the feeler gauge between. Should be checked and adjusted every 50,000K

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