Yugo L4-1300cc 1.3L (1991)
Fig. 14 Checking Clearance Between Gears & Cover Mating Surface
14.
Check clearance between gears and the cover mating face. Using straightedge and feeler gauge, Fig. 14. Clearance range should be .008-.0041
inch. If a value of more than .006 inch is found, gears and/or pump housing must be replaced.
15.
To determine if gears are worn, measure their length. The range for new gears is 1.101-1.102 inches. The drive gear is mounted on its shaft with an
interference fit. Check for signs of play.
16.
Clearance between driven gear and its shaft is .0006-.002 inch with a maximum allowable clearance of .004 inch.
17.
Check clearance between pump drive shaft and pump housing. Clearance range is .0006-.002 inch with a maximum allowable clearance of .004
inch.
18.
Reverse steps 1 through 4 to install oil pump, installing all new gaskets and ensuring pump is properly seated before tightening bolts.