Next the VVEL system is prepared for installation by adding a bead of sealant around its base. This part is a non serviceable part according to Nissan. In fact the entire head is considered to be not serviceable by Nissan and you are really not supposed to take it apart. JWT has found that as long as you don’t touch any of the adjustments in the VVEL system you will be ok.
Next the exhaust side of the head has a bead of sealant laid down. Now the VVEL system can be bolted down to the heads.
The cam gears, and intermediate chain are readied for installation.
Next the cam gears and chains are installed with the timing marks lined up.
Cam gear bolts are tightened down.
Our WPC treated JWT billet oil pump gears are installed in the oil pump housing and lubricated.