Valve Guide Replacement

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

When valve guide is removed, replace with oversized [0.2 mm (0.008 in)] valve guide.

To remove valve guide, heat cylinder head to 110 - 130°C (230 - 266°F) by soaking in heated oil (A).

Courtesy of NISSAN NORTH AMERICA, INC.

WARNING: Cylinder head contains heat. When working, wear protective equipment to avoid getting burned.
Drive out the valve guide with a press [under a 20 kN (2.2 US ton) pressure] or hammer and suitable tool.

Courtesy of NISSAN NORTH AMERICA, INC.
Ream cylinder head valve guide hole using suitable tool (A). Refer to Cylinder Head .

Courtesy of NISSAN NORTH AMERICA, INC.
Heat cylinder head to 110 - 130°C (230 - 266°F) by soaking in heated oil and press new valve guide from camshaft side into the cylinder head to the dimensions (L) as shown, below. Refer to Cylinder Head .

Courtesy of NISSAN NORTH AMERICA, INC.

WARNING: Cylinder head contains heat. When working, wear protective equipment to avoid getting burned.

Using a suitable tool (A), apply a reamer finish to the valve guide.

Courtesy of NISSAN NORTH AMERICA, INC.

Intake and exhaust finished size

(0.2362 - 0.2369 in)