Thermostat Housing; Seal Plate - Mazda MX-5 1990 Workshop Manual

B
05U08X-219
05UOBX-222
05UOBX-223
B-72
I .
ASSEMBLY
Cylinder Head Gasket
1. Remove all foreign material from the top of the cylinder
block.
2. Place the new cylinder head gasket in position.
Cylinder Head
1. Install the cylinder head.
2. Apply clean engine oil to the bolt threads and seat faces.
3. Tighten the cylinder head bolts in two or three steps in the
order shown.
Tightening torque:
76-81 N·m (7.7-8.3 m-kg, 56-60 ft-Ib)
Thermostat Housing
1. Remove all foreign material from the thermostat housing
mounting surface.
2. Install a new O-ring and the thermostat housing.
Tightening torque:
19-25 N·m (1.9-2.6 m-kg, 14-19 ft-Ib)
Seal Plate
1. Install the seal plate on the cylinder head.
Tightening torque:
7.8-11 N·m (80-110 em-kg, 69-95 in-Ib)
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.