Oil Pump Body Inspection - Toyota Hilux Surf 1993 Owner's Manual

TF–44
TRANSFER – Component Parts (Oil Pump Body)
(b) Using a magnetic finger, remove the spring and ball.
(c) Using SST, pull out the seat.
SST 09921–00010
(d) Remove the O–ring from the seat.
3. REMOVE OIL PUMP PLATE
(a) Using a torx socket wrench, unscrew the three torx
screws.
(Torx socket wrench T30 09042–00010)
(b) Remove the oil pump plate.
4. REMOVE DRIVE ROTOR AND DRIVEN ROTOR
INSPECTION OF OIL PUMP BODY
1. CHECK BODY CLEARANCE OF DRIVEN ROTOR
Push the driven rotor to one side of the body.
Using a feeler gauge, measure the clearance.
Standard clearance: 0.10 – 0.16 mm
(0.0039 – 0.0063 in.)
Maximum clearance: 0.16 mm (0.0063 in.)
If the clearance exceeds the limit, replace the drive rotor,
driven rotor or pump body.
2. CHECK TIP CLEARANCE OF BOTH ROTORS
Using a feeler gauge, measure the clearance between
both rotor tips.
Standard clearance: 0.08 – 0.16 mm
Maximum clearance: 0.16 mm (0.00631n.)
If the clearance exceeds the limit, replace the drive rotor,
driven rotor or pump body.
(0.0031 – 0.0063 in.)