12401 Mercury SEAL, COWL (REAR)

Table 1
Specifications for 329-8435 Oil Pump    
Callout     Part Number     Part Name     Specification Description    
-     -     -     Type...................Gear-driven differential rotor    
-     -     Lobes     Inner rotor...................6
Outer rotor...................7    
-     -     Inner Rotor     Service limit of inner rotor to outer rotor is
0.080 to 0.250 mm (0.0031 to 0.0098 inch).    
-     -     Rotor Assembly     End play of inner rotor is
0.050 to 0.180 mm (0.0020 to 0.0071 inch).
End play of outer rotor is
0.050 to 0.180 mm (0.0020 to 0.0071 inch).    
2     6I-0260     Bolt     Torque to...................
22 N m (195 lb in)    
5     100-4461     Bolt     Torque to...................
44 N m (32 lb ft)    
7     -     Outer Rotor     Clearance of outer rotor to the body is
0.050 to 0.330 mm (0.0020 to 0.0130 inch).    
9     -     Bolt     Torque to...................
24 N m (212 lb in)    Removal Procedure
Start By:
Remove the engine oil pan. Refer to Disassembly and Assembly, "Engine Oil Pan" for the correct procedure.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g02476517
Remove bolts (2). Remove suction pipe (1) from engine oil pump (4) .
Remove gasket (3) .
Remove bolts (5) and remove the assembly of engine oil pump (4) from the cylinder block.
Illustration 2 g02476518
If necessary, follow Step 4.a through Step 4.d in order to disassembly engine oil pump (4) .
Remove bolts (9) from front cover assembly (8) .
Remove front cover assembly (8) from the housing of the engine oil pump (4) .
Remove outer rotor (7) from the housing of engine oil pump (4) .
Do not remove dowel (6) from the housing of engine oil pump (4) unless the dowels are damaged.Installation Procedure
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
If any part of the engine oil pump is worn or damaged, the complete assembly of the engine oil pump must be replaced.
Ensure that all components of the engine oil pump are clean and free from wear and damage. Refer to System Operation, Testing and Adjusting, "Engine Oil Pump - Inspect" for more information. Replace the complete assembly of the engine oil pump if any of the components are worn or damaged.
Illustration 3 g02476518
If necessary, follow Step 2.a through Step 2.f in order to assembly engine oil pump (4) .
Lubricate the internal components for the assembly of engine oil pump (4) with clean engine oil.
Install outer rotor (7) to the housing of engine oil pump (4).
Install front cover assembly (8) to the housing of the engine oil pump (4) .
Install bolts (9) to front cover assembly (8). Tighten the bolts finger tight.
Tighten bolts (8) to a torque of 24 N m (212 lb in).
Ensure that dowels (6) are correctly located in the housing of engine oil pump (4) .
Illustration 4 g02476517
Position the assembly of engine oil pump (4) onto the cylinder block.Note: Ensure that the dowels in the housing of the engine oil pump are aligned with the holes in the cylinder block.
Install bolts (5). Tighten the bolts to a torque of 44 N m (32 lb ft).
Check the backlash between idler gear and the crankshaft gear. Refer to Spe