Engine Lubrication System — Oil Pump (Cont'd) Inspection
LC-56spec tableSeparate clearance inspection specs for CD17 and CD20 oil pumps.
Oil Pump (Cont'd)
IMPORTANT
Apply liquid gasket when installing oil pump onto engine.
INSPECTION — CD17
Using a feeler gauge, check the following clearances. Unit: mm (in).
CD17 Oil Pump Clearances
Body to outer gear clearance (1)
Value mm (in)0.11 - 0.20 (0.0043 - 0.0079)
Inner gear to crescent clearance (2)
Value mm (in)0.12 - 0.23 (0.0047 - 0.0091)
Outer gear to crescent clearance (3)
Value mm (in)0.21 - 0.32 (0.0083 - 0.0126)
Housing to inner gear clearance (4)
Value mm (in)0.05 - 0.09 (0.0020 - 0.0035)
Housing to outer gear clearance (5)
Value mm (in)0.05 - 0.11 (0.0020 - 0.0043)
IMPORTANT
If it exceeds the limit, replace gear set or entire oil pump assembly.
INSPECTION — CD20
Using a feeler gauge, check the following clearances. Unit: mm (in).
CD20 Oil Pump Clearances
Body to outer gear clearance (1)
Value mm (in)0.12 - 0.20 (0.0047 - 0.0079)
Outer gear to inner gear clearance (2)
Value mm (in)less than 0.18 (0.0071)
Housing to inner gear clearance (3)
Value mm (in)0.05 - 0.09 (0.0020 - 0.0035)
Housing to outer gear clearance (4)
Value mm (in)0.05 - 0.11 (0.0020 - 0.0043)
Inner gear to housing clearance (5)
Value mm (in)0.05 - 0.09 (0.0020 - 0.0035)
IMPORTANT
If it exceeds the limit, replace gear set or entire oil pump assembly.