Oil Pump: Inspection: Inspection

WARNING: This page is about a different variant/trim than selected.

INSPECT FRONT OIL PUMP BODY SUB-ASSEMBLY
1. Turn the drive gear with 2 screwdrivers and make sure that it rotates smoothly.
  
  Fig 1: Turning Drive Gear With Screwdrivers
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  NOTE:
  Be careful not to damage the oil seal lip.

INSPECT CLEARANCE OF FRONT OIL PUMP AND GEAR BODY SUB-ASSEMBLY

Push the driven gear to one side of the body.

Fig 2: Inspecting Clearance Of Front Oil Pump And Gear Body Sub-Assembly
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Using a feeler gauge, measure the clearance.
Standard clearance

0.08 to 0.15 mm (0.00315 to 0.00590 in.)

Maximum clearance

0.15 mm (0.00590 in.)

If the clearance is greater than the maximum, replace the oil pump body subassembly.

Using a straightedge and feeler gauge, measure the side clearance of both gears.

Fig 3: Measuring Side Clearance Of Both Gears

GTY202322

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Standard side clearance

0.025 to 0.04 mm (0.000984 to 0.00157 in.)

Maximum side clearance

0.04 mm (0.00157 in.)

DRIVE GEAR THICKNESS

Part No.	Thickness mm (in.)	Mark
35321-33110	11.547 to 11.555 (0.4546 to 0.4549)	1
35321-33120	11.555 to 11.563 (0.4549 to 0.4552)	2
35321-33130	11.564 to 11.571 (0.4553 to 0.4556)	3
35321-33140	11.572 to 11.579 (0.4556 to 0.4559)	4
35321-33150	11.580 to 11.587 (0.4559 to 0.4562)	5

DRIVEN GEAR THICKNESS

Part No.	Thickness mm (in.)	Mark
35322-33110	11.547 to 11.555 (0.4546 to 0.4549)	1
35322-33120	11.555 to 11.563 (0.4549 to 0.4552)	2
35322-33130	11.564 to 11.571 (0.4553 to 0.4556)	3
35322-33140	11.572 to 11.579 (0.4556 to 0.4559)	4
35322-33150	11.580 to 11.587 (0.4559 to 0.4562)	5

INSPECT FRONT OIL PUMP BODY SUB-ASSEMBLY
1. Using a caliper gauge, measure the inside diameter of the oil pump body bushing.
  
  Fig 4: Measuring Inside Diameter Of Oil Pump Body Bushing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard inside diameter
  
  43.113 to 43.138 mm (1.6974 to 1.6983 in.)
  
  Maximum inside diameter
  
  43.188 mm (1.7003 in.)
  
  If the inside diameter is greater than the maximum, replace the front oil pump body subassembly.
INSPECT STATOR SHAFT ASSEMBLY
1. Using a caliper gauge, measure the inside diameter of the oil pump body bushing.
  
  Fig 5: Measuring Inside Diameter Of Oil Pump Body Bushing
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  
  Standard inside diameter
  
  22.500 to 22.526 mm (0.8858 to 0.8868 in.)
  
  Maximum inside diameter
  
  22.570 mm (0.8886 in.)
  
  If the inside diameter is greater than the maximum, replace the front oil pump body subassembly.