Operation CHARM
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Buick
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1990
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Electra Estate Wagon V8-307 5.0L
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Repair and Diagnosis
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Transmission and Drivetrain
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Automatic Transmission/Transaxle
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Service and Repair
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Overhaul
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200-R4 Automatic Transmission
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Subassembly Service & Transaxle Assemble
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Oil Pump Assembly
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Oil Pump Cover & Body, Disassemble
Oil Pump Cover & Body, Disassemble
1. Remove selective thrust washer, then the pump cover bolts.
2. Remove pump cover from pump body.