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Mazda MX-3 Oil Pump Disassembly/Assembly Diagram & Torque Specs (D2-11)

Service manual exploded view of oil pump showing numbered parts list, rotors, springs and assembly torque values.

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This is page D2–11 of a Mazda workshop manual covering the engine oil pump (section D2). It provides the SST (Special Service Tool) required for the job — part 49 H010 401, an oil seal installer used for installation of the front oil seal — and the disassembly/assembly procedure overview. The instructions state to disassemble in the order shown in the exploded-view figure (referring to the Disassembly Note) and assemble in the reverse order (referring to the Assembly Note). The exploded diagram identifies nine components: (1) oil seal (marked REPLACE, with SST and oil symbols), (2) pump cover, (3) outer rotor, (4) inner rotor, (5) blind plug, (6) spring seat (marked REPLACE), (7) pressure spring, (8) control plunger, and (9) pump body. Two torque specifications are given: pump cover screws at 5.9—8.8 N·m {60—90 kgf·cm, 53—78 in·lbf}, and the blind plug at 57—68 N·m {5.8—7.0 kgf·m, 42—50 ft·lbf}. A legend lists cross-references to Disassembly Notes, Assembly Notes, and Inspection procedures on pages D2–12 and D2–13. The page was uploaded as reference material for a 1993 Mazda MX-3.

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Frequently asked questions

What special tool is needed to install the oil pump front oil seal?
SST 49 H010 401, an oil seal installer, is required for installation of the front oil seal.
What is the torque spec for the oil pump cover screws?
5.9—8.8 N·m {60—90 kgf·cm, 53—78 in·lbf}.
What is the torque spec for the oil pump blind plug?
57—68 N·m {5.8—7.0 kgf·m, 42—50 ft·lbf}.
Which oil pump parts must be replaced during reassembly?
The oil seal (item 1) and the spring seat (item 6) are marked REPLACE in the exploded view.
What components make up the oil pump in this diagram?
Nine parts: oil seal, pump cover, outer rotor, inner rotor, blind plug, spring seat, pressure spring, control plunger, and pump body.

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