1999 Chevrolet Silverado 2500 Q&A
1999 Chevrolet Silverado 2500 Question: Setting the valves
There is no valve lash, because the lifters are hydraulic. you can go here for more detail http://bit.ly/alldata_repair_manuals - dandd
You might find a free manual here: http://bit.ly/autozone_repair_info or go to http://bit.ly/alldata_repair_manuals or http://bit.ly/mitchell_repair_manuals_online and get an online repair manual subscription. - Bret Bodas
One or both secondary air injection check valves may become restricted causing poor air flow resulting in illumination of the Check Engine Light. It is often recommend to replace both check valves...