Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSCHEVROLET1999LUMINA V6-3.8L VIN KREPAIR AND DIAGNOSISDIAGRAMSEXPLODED VIEWSAUTOMATIC TRANSMISSION/TRANSAXLE
1999 Chevrolet Lumina V6-3.8L VIN K
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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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.