Valve Lifter and Valve Shim

WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.

Check contact and sliding surfaces for excessive wear or cracks, replace as necessary.

Fig 1: Identifying Valve Lifter And Valve Shim
Courtesy of NISSAN MOTOR CO., U.S.A.
Measure the valve lifter outer diameter.
1. Valve lifter outer diameter :29.960 - 29.975 mm (1.1795 - 1.1801 in)
If out of the specified range, replace the valve lifter.

Fig 2: Measuring Valve Lifter Outer Diameter
Courtesy of NISSAN MOTOR CO., U.S.A.
Measure the valve lifter guide bore.
1. Valve lifter guide bore :30.000 - 30.021 mm (1.1811 - 1.1819 in)
Fig 3: Measuring Valve Lifter Guide Bore
Courtesy of NISSAN MOTOR CO., U.S.A.
Calculate valve lifter clearance. If out of specified range, replace valve lifter and/or cylinder head of whichever exceeds standard limit.
Valve lifter clearance) = (valve lifter guide bore) - (outer diameter of valve lifter)
1. Valve lifter clearance :0.025 - 0.065 mm (0.0010 - 0.0026 in)