TSB's

Nissan Exhaust Tick

This bulletin applies to 2005-2008 Nissan Frontier models equipped with the QR25DE engine, and built before July 12, 2006. The issue may involve a ticking noise that sounds like spark knock, when accelerating 1/8 to 1/2 throttle opening.

If you confirm that the problem is not spark knock, install a new exhaust manifold, as the original manifold may be cracked or warped. Install with all new gaskets and fasteners.

PART ...................................................... P/N ..................... QUANTITY

Exhaust manifold w/catalytic converter...... 14002-EA00A........... 1

Exhaust manifold to head gasket.............. 14036-6N200 .......... 1

Exhaust manifold to front pipe gasket........ 20691-30P00 .......... 1

Manifold to head nuts................................. 14094-31U00 ........... 5

Heat shield to manifold bolts...................... 14069-EA01 ............. 4

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