toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

Oil Pressure Sender > < Oil Pan, Engine|Removal and Installation|Page 876
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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.

Oil Pressure Sender > < Oil Pan, Engine|Removal and Installation|Page 876