Camshaft Pulley; Camshaft - Mazda MX-5 1990 Workshop Manual

ON-VEHICLE MAINTENANCE
B
05UOBX·050
05UOBX·052
Removal note
Camshaft pulley
1. Hold the camshaft with a wrench.
2. Remove the camshaft pulley lock bolt.
3. Remove the camshaft pulley.
Camshaft
1. Loosen the camshaft cap bolts in two or three steps in the
order shown in the figure.
2. Remove the camshaft caps.
3. Remove the camshaft.
4. Remove the camshaft oil seal from the camshaft.
HLA
Caution
• Mark the HLA with a felt pen so that they can be rein-
stalled in the position from which they were
removed.
1. Remove the HLA from the cylinder head.
Installation note
HLA
1 . Apply clean engine oil to the friction surfaces.
2. If the HLA are being reused, install them in the position from
which they were removed.
3. Verify that the HLA move smoothly in their bores.
Camshaft
Note
• The intake camshaft is grooved for the crank angle
sensor drive.
1. Apply clean engine oil to the camshaft journals and bearings.
2. Install the camshaft in position.
8-21