Diesel Bombers - dmax valve lash

Diesel Bombers (https://www.dieselbombers.com/)

- Chevy/GMC Duramax 01-04 LB7 (https://www.dieselbombers.com/chevy-gmc-duramax-01-04-lb7/)

- - dmax valve lash (https://www.dieselbombers.com/chevy-gmc-duramax-01-04-lb7/31456-dmax-valve-lash.html)

CumminsKid6

08-22-2009 03:48 PM

dmax valve lash

does anyone know the correct valve lash for an 01 dmax.

2500HeavyDuty

08-22-2009 04:39 PM

.012"

2500HeavyDuty

08-22-2009 05:17 PM

i did the valve lash a few days ago on my truck, they were .036" and more :f:

but now it purrs

duratothemax

08-23-2009 03:23 PM

factory spec is .012" but I like to set them a little tighter. Usually closer to .010".

But thats just my own opinon....

GrandmaGold

01-13-2010 10:14 AM

how often should a guy check the lash?

2500HeavyDuty

01-13-2010 04:33 PM

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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