Hum without rattle

May 07

There was a nissan advisory somewhere on removing the top & 2nd chain guide for ka24de since they used to wear and cause damage when they broke into pieces and fell further into parts under timing cover.

Here’s a quick diagram on what to get rid of.  For that you just remove top valve cover (12 m10 bolts from what I remember) and few more m10/12 bolts to remove top timing cover to get to the 2nd chain tensioner.

Remove the old gasket material and reseal with fresh gasket maker seal (I use the copper type – about $7).

Removing chain guides - ka24de

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