Hydraulic Lash Adjuster (Hla) Check; Cylinder Block Check - Mazda 626 MX-6 Workshop Manual

INSPECTION AND REPAIR
(2) Measure the rocker arm shaft diameter.
Diameter:
18.959—18.980 mm (0.7464—0.7472 in)
(3) Subtract the shaft diameter from the rocker arm
diameter.
Oil clearance:
0.020—0.074 mm (0.0008—0.0029 in)
Maxim um : 0 .1 0 mm (0 .00 3 9 in)
Hydraulic Lash Adjuster (HLA)
Check the HLA face for wear or damage. Replace
if necessary.
Caution
Do not remove the HLA unless necessary to
prevent damaging the O-ring.
Cylinder Block
1. Check the cylinder block. Repair or replace if
necessary.
(1) Leakage damage
(2) Cracks
(3) Scoring of wall
2. Measure the distortion of the top surface of the cyl­
inder block in the six directions as shown in the
figure.
Distortion: 0.15 mm (0.006 in) max.
3. If the distortion exceeds the maximum, repair by
grinding, or replace the cylinder block.
Grinding limit: 0.20 mm (0.008 in) max.
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