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HOMESERVICE MANUALSCHEVROLET1987SUBURBAN 1/2 TON 2WD V8-379 6.2L DSLREPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIROVERHAUL700-R4 AUTOMATIC TRANSMISSIONSUBASSEMBLY SERVICECASE & INTERNAL COMPONENTSOIL PUMP COVER & BODY ASSEMBLY
1987 Chevrolet Suburban 1/2 Ton 2WD V8-379 6.2L DSL

Oil Pump Cover & Body Assembly

1987 Chevrolet Suburban 1/2 Ton 2WD V8-379 6.2L DSLSECTION Oil Pump Cover & Body Assembly



1. Install oil pump cover onto oil pump body.

2. Install pump cover bolts and tighten finger tight.




3. Using oil pump body and cover alignment tool No. J-21368, or equivalent, align the pump cover and pump body.

4. Install pump to case gasket into case. Retain in position using suitable grease.




5. Install oil seal rings, if removed, onto the pump cover hub. Retain in position using suitable grease.

6. Install pump to case oil seal. Ensure seal is not twisted.

7. Install oil pump assembly thrust washer.




8. Install alignment pins from tool No. J-25025-1, or equivalent, into the case as shown.

9. Install oil pump assembly into case. Ensure all holes are aligned properly.

10. Install oil pump assembly attaching bolts and washers, then torque bolts to specification. Rotate transmission to a horizontal position. If transmission is assembled properly, turbine shaft should turn by hand. If not, identify problem and correct.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.