Automatic Transmission/Transaxle

1999 Chevrolet Lumina V6-3.8L VIN KSECTION Automatic Transmission/Transaxle







Transmission Major Component Locations






Electronic Component Locations









Case and Associated Parts (1 of 4)









Case and Associated Parts (2 of 4)









Case and Associated Parts (3 of 4)









Case and Associated Parts (4 of 4)






Oil Pump Assembly






Control Valve Body Assembly (1 of 2)






Control Valve Body Assembly (2 of 2)









Case Cover Assembly









Internal Components (1 of 2)









Internal Components (2 of 2)






Manual Shaft and Parking System Assembly






Case Side Cover Bolt Locations






Oil Pump Bolt Locations






Control Valve Body Bolt Locations






Case Cover Bolt Locations






Bottom Pan, Accumulator Cover and Manual 2-1 Band Servo Cover Bolt Locations






Thrust Washer Locations






Bushing Locations






Bearing Locations






Lip Seal Locations









Square and O-Ring Seal Locations






Gasket Locations






Ball Check Valve Locations






Oil Pump Cover Fluid Passages (Oil Pump Body Side)






Oil Pump Body Fluid Passages (Oil Pump Cover Side)






Oil Pump Body Fluid Passages (Control Valve Body Side)






Control Valve Body Fluid Passages (Oil Pump Body Side)









Control Valve Body Fluid Passages (Case Cover Side)









Control Valve Body to Spacer Plate Gasket Fluid Passages









Spacer Plate Fluid Passages









Spacer Plate to Case Cover Gasket Fluid Passages









Case Cover Fluid Passages (Control Valve Body Side)






Case Cover Fluid Passages (Case Side)






Driven Sprocket Support Fluid Passages






Oil Pump Drive Shaft and Drive Sprocket Support Fluid Passages






Case Fluid Passages (Case Cover Side)






Case Fluid Passages (Bottom)






1-2 and 2-3 Accumulator Housing Fluid Passages






Accumulator Cover Spacer Plate Fluid Passages






Accumulator Cover Fluid Passages






Manual 2-1 Band Servo Cover Fluid Passages
RENDER: 1.0x

NO RELATED

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Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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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.