Supra L6-3.0L DOHC (7M-GE) (1990)
Fig. 10 Checking Gear Backlash
INSPECTION
1.
Check relief valve for scoring or wear. If damaged, replace valve or pump assembly.
2.
Measure clearance between driven gear and body, Fig. 9. If clearance is greater than .008 inch, replace gear and/or body.
3.
Measure backlash between driven and drive gears, Fig. 10. If backlash is greater than .035 inch, replace shaft assembly and drive gear.
4.
Place a straightedge between rotors and housing, then measure side clearance between rotors and straightedge. If clearance is greater than .0006
inch, replace gears and/or pump unit.