Hydraulic Lash Adjuster (HLA) Inspection
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2006 Mazda MPV, 2005 Mazda MPV, 2004 Mazda MPV, 2004 Mazda 6, and 2003 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
- Measure the diameter of each HLA bore.
Standard Diameter
- 16.018-16.057 mm {0.63063-0.63216 in}
- Measure the diameter of each HLA.
Standard Diameter
- 15.988-16.000 mm {0.62945-0.62992 in}
- Calculate the clearance between the HLA and the related HLA bores.
- If the clearance exceeds the maximum clearance, replace the cylinder head or the HLA.
Standard Clearance
- 0.018-0.069 mm {0.0008-0.0027 in}
Maximum Clearance
- 0.16 mm {0. 0063 in}