Hydraulic Lash Adjuster (HLA) Inspection
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2008 Mazda 6, 2007 Mazda 6, 2006 Mazda 6, 2005 Mazda 6, and 2004 Mazda 6. 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}