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Chevy/GMC Duramax 01-04 LB7 Discussion of Chevy and GMC Trucks with LB7 Duramax Turbo Diesel Engines

dmax valve lash

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  #1  
Old 08-22-2009, 03:48 PM
CumminsKid6's Avatar
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Default dmax valve lash
does anyone know the correct valve lash for an 01 dmax.
 
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Old 08-22-2009, 04:39 PM
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.012"
 
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Old 08-22-2009, 05:17 PM
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i did the valve lash a few days ago on my truck, they were .036" and more

but now it purrs
 
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Old 08-23-2009, 03:23 PM
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factory spec is .012" but I like to set them a little tighter. Usually closer to .010".

But thats just my own opinon....
 
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Old 01-13-2010, 10:14 AM
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how often should a guy check the lash?
 
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Old 01-13-2010, 04:33 PM
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i never seen anything about the scheduled maintenance of the valve lash on a dmax, but if you were to replace the injectors, then it would be a good time to adjust the valves.
 
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