Oil Pump: Service and Repair
OIL PUMP COMPONENTS
REMOVAL OF OIL PUMP
HINT: When repairing the oil pump, the oil pan and strainer should be removed and cleaned.
1. REMOVE HOOD
2. DRAIN ENGINE OIL
3. REMOVE TIMING BELT, IDLER PULLEY AND CRANKSHAFT TIMING PULLEY
When removing the RH engine mounting, attach the engine hoist chain to the lifting bracket on the engine and lift the engine slightly.
4. REMOVE OIL DIPSTICK GUIDE AND DIPSTICK
(a) Remove the dipstick.
(b) Remove the bolt, and pull out the dipstick guide.
(c) Remove the O-ring from the dipstick guide.
5. REMOVE FRONT EXHAUST PIPE
6. REMOVE CENTER MOUNTING AND STIFFENER PLATE
(a) (2WD) Remove the bolt, three nuts and center mounting.
(b) (4A-GE) Remove the three bolts and stiffener plate.
7. (4A-GE) REMOVE FLYWHEEL HOUSING UNDER COVER
- Remove the two bolts and under cover.
8. REMOVE OIL PAN
(a) Remove the oil cooler hose and union from the oil pan.
(b) Remove the two nuts and nineteen bolts.
(c) (4A-FE) Insert the blade of SST between the oil pan and cylinder block, cut off applied sealer and then remove the oil pan.
SST 09032-00100
(c) (4A-GE) Insert the blade of SST between the oil pan and baffle plate, cut off applied sealer and then remove the oil pan.
SST 09032-00100
NOTICE:
^ Do not use SST for the oil pump body side. If necessary, use a screwdriver.
^ When removing the oil pan, be careful not to damage the oil pan flange.
9. REMOVE OIL STRAINER
- Remove the two bolts, nuts, oil strainer and gasket.
10. (4A-GE) REMOVE OIL PAN BAFFLE PLATE
- Insert the blade of SSJ between the cylinder block and baffle plate, cut off applied sealer and remove the baffle plate.
SST 09032-00100
NOTICE:
^ Do not use SST for the oil pump body side. If necessary, use a screwdriver.
^ When removing the baffle plate, be careful not to damage the oil pan flange.
11. REMOVE OIL PUMP
(a) Remove the seven bolts.
(b) Using a plastic hammer, carefully tap the oil pump body.
INSTALLATION OF OIL PUMP
1. INSTALL OIL PUMP ASSEMBLY
(a) Place a new gasket on the block.
(b) Install the oil pump to the cylinder block with the spline teeth of the drive gear engaged with the large teeth of the crankshaft.
(c) Install and torque the seven bolts.
Torque: 220 kg.cm. (16 ft.lb., 21 N.m)
HINT: Each bolt length is as follows.
Bolt length:
Long bolt: 35 mm (1.38 in.)
Others: 25 mm (0.98 in.)
2. (4A-GE) INSTALL OIL PAN BAFFLE PLATE
(a) Remove any old packing (FIPG) material and be careful not to drop any oil on the contacting surfaces of the baffle plate and cylinder block.
^ Using a razor blade and gasket scraper, remove all the packing (FIPG) materials from the sealing surfaces.
^ Thoroughly clean all components to remove all the loose materials.
^ Clean both sealing surfaces with a non-residue solvent.
NOTICE: Do not use a solvent which will affect the painted surfaces.
(b) Apply seal packing to the baffle plate as shown in the illustration.
Seal packing: Part No.08826-00080 or equivalent
^ Install a nozzle that has been cut to a 3 - 5 mm (0.12-0.20 in.) opening.
HINT: Avoid applying an excess amount to the surface.
^ Parts must be assembled within 1 5 minutes of application. Otherwise, the seal packing will be of no effect.
^ Immediately remove nozzle from tube and reinstall cap after use.
(c) Install the baffle plate.
3. INSTALL OIL STRAINER
- Place a new oil strainer gasket and install the oil strainer with the two bolts and two nuts. Torque the bolts and nuts.
Torque: 95 kg.cm. (82 in.lb., 9.3 N.m)
4. INSTALL OIL PAN
(a) Remove any old packing (FIPG) material and be careful not to drop any oil on the contacting surfaces of the oil pan and cylinder block (4A-FE) or baffle plate (4A-GE).
^ Using a razor blade and gasket scraper, remove all the packing (FIPG) materials from the sealing surfaces.
^ Thoroughly clean all components to remove all the loose materials.
^ Clean both sealing surfaces with a non-residue solvent.
NOTICE: Do not use a solvent which will affect the painted surfaces.
(b) Apply seal packing to the oil pan as shown in the illustration.
Seal packing: Part No.08826-00080 or equivalent
^ Install a nozzle that has been cut to a 3 - 5 mm (0.12-0.20 in.) opening.
HINT: Avoid applying an excess amount to the surface.
^ Parts must be assembled within 1 5 minutes of application. Otherwise, the seal packing will be of no effect.
^ Immediately remove nozzle from tube and reinstall cap.
(c) Install the oil pan over the studs on the block with the nineteen bolts and two nuts. Torque the bolts and nuts.
Torque: 50 kg.cm. (43 in.-lb, 4.9 N.m)
(d) Install the cooler pipe, two new gaskets and union bolt. Torque the union bolt.
Torque: 250 kg.cm. (18 ft.lb., 25 N.m)
5. (4A-GE) INSTALL FLYWHEEL HOUSING UNDER COVER
6. INSTALL STIFFENER PLATE AND CENTER MOUNTING
(a) (4A-GE) Install the stiffener plate and three bolts.
Torque: 380 kg.cm. (27 ft.lb., 37 N.m)
(b) (2WD) Install the center mounting, bolt and three nuts.
Torque:
Member side: 530 kg.cm. (38 ft.lb., 52 N.m)
Plate side: 230 kg.cm. (17 ft.lb., 23 N.m)
7. INSTALL FRONT EXHAUST PIPE
8. INSTALL OIL DIPSTICK GUIDE AND DIPSTICK
(a) Push in the oil dipstick guide with the O-ring coated with a small amount of engine oil.
(b) Install a new O-ring to the oil dipstick guide.
(c) Install the mounting bolt.
(d) Insert the oil dipstick.
9. INSTALL CRANKSHAFT TIMING PULLEY, IDLER PULLEY AND TIMING BELT
10. REFILL WITH ENGINE OIL
11. RECHECK OIL LEVEL
- Recheck the engine oil level and refill as necessary.
12. INSTALL HOOD