They are not adjustable but self adjusting. Try a heavier viscosity oil or an thickener/stabilizer additive or both! This may provide extra hydraulic pressure required to maintain proper lash and quiet them down.
SPONSORED LINKS
Was this
answer
helpful?
Yes
No
Sunday, January 31st, 2010 AT 10:45 PM
BLACKOP555
MECHANIC
10,371 POSTS
As stated they cannot be adjusted. But if you notice lifter tick more in colder weather you may want to switch to thinner oil. If its teh same no matter what or worse when warm go with thicker