Reassembly & Installation Lexus GS I

1. To reassemble, reverse disassembly procedure. Ensure drive and driven rotors are installed in oil pump body with reference mark (triangle mark) toward oil pump cover. Tighten oil pump cover bolts and relief valve plug to specification. See «TORQUE SPECIFICATIONS»(ref-49347-S20172185192001011500000) .
2. To install, ensure sealing surfaces are clean. Install NEW "O"rings on cylinder block. Apply sealant on oil pump body. CAUTION: Ensure sealant does not enter oil passages on oil pump body.
3. Install oil pump and bolts. Ensure the 2 long bolts are installed in the 2 lower bolt holes on intake manifold side of cylinder block. Tighten oil pump bolts to specification. See «TORQUE SPECIFICATIONS»(ref-49347-S20172185192001011500000) .
4. If installing crankshaft front seal, use hammer and Seal Installer (SST 09316-60010). Install seal until seal surface is even with oil pump body. Apply grease to sealing lip of seal. To install remaining components, reverse removal procedure.

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