Valve Guide Replacement

WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

When the valve guide is removed, replace it with an oversized (0.2 mm, 0.008 in) valve guide.

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

Fig 1: Heating Cylinder Head In Oil
Courtesy of NISSAN MOTOR CO., U.S.A.
Remove the valve guide using suitable tool.

Fig 2: Removing Valve Guide Using Suitable Tool
Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Cylinder head contains heat. When working, wear protective equipment to avoid getting burned.
Ream the cylinder head valve guide hole using suitable tool.

Fig 3: Reaming Cylinder Head Valve Guide
Courtesy of NISSAN MOTOR CO., U.S.A.

Valve guide hole diameter:

Standard

Intake and exhaust: 9.975 - 9.996 mm (0.3927 -

0.3935 in)

Oversize (service)

Intake and exhaust: 10.175 - 10.196 mm

(0.4006 - 0.4014 in)
Heat the cylinder head to 110° to 130°C (230° to 266°F) by soaking it in heated oil.

Fig 4: Heating Cylinder Head In Oil
Courtesy of NISSAN MOTOR CO., U.S.A.
Press the valve guide from the camshaft side to the dimensions as shown.

Fig 5: Pressing Valve Guide From Camshaft Side To Proper Dimensions
Courtesy of NISSAN MOTOR CO., U.S.A.

CAUTION: Cylinder head contains heat. When working, wear protective equipment to avoid getting burned.
Ream the cylinder head valve guide using suitable tool.

Fig 6: Reaming Cylinder Head Valve Guide
Courtesy of NISSAN MOTOR CO., U.S.A.

Valve guide hole diameter:

Intake and exhaust: 6.000 - 6.018 mm

(0.2362 - 0.2369 in)