I-Mark L4-1.8L 4FBI DSL (1982)
Oil Pump: Service and Repair
Oil Pump Inspection & Service
Fig. 43 Oil pump, disassembled
1.
Disassemble pump as shown in Fig. 43.
2.
Inspect all parts for any signs of abnormal wear or damage.
3.
Measure outside diameter of pulley flange. Diameter should be 1.1-1.1035 inch (27.94-28.03 mm).
Fig. 44 Measuring vane and cylinder clearance in direction of thrust
4.
Using a straightedge and feeler gauge, check clearance between vane and cylinder body in direction of thrust, Fig. 44. Clearance should be
.0011-.0027 inch (.03-.07 mm).
Fig. 45 Measuring vane and cylinder body clearance
5.
Check clearance between vane and cylinder body, Fig. 45. Clearance should be .0094-0141 inch (.24-.36 mm).