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 MANUALSCADILLAC1996ELDORADO V8-4.6L VIN 9REPAIR AND DIAGNOSISTRANSMISSION AND DRIVETRAINAUTOMATIC TRANSMISSION/TRANSAXLESERVICE AND REPAIROVERHAULSUBASSEMBLY SERVICEOIL PUMP, UPPER CONTROL VALVE ASSEMBLY REMOVAL
1996 Cadillac Eldorado V8-4.6L VIN 9
Oil Pump, Upper Control Valve Assembly Removal
1996 Cadillac Eldorado V8-4.6L VIN 9SECTION Oil Pump, Upper Control Valve Assembly Removal
OIL PUMP, UPPER CONTROL VALVE ASSEMBLY REMOVAL 4T80-E TRANSAXLE
1. Using a small screwdriver, disconnect the following parts:
The electrical connector from the automatic transmission fluid temperature sensor (350)
- The torque converter clutch solenoid valve (336) The pressure control solenoid valve (339)
2. Remove the 19 8-mm bolts (229, 231, 232, 233, 234, 235, 331) from the pump housings.
3. Remove the scavenge, the primary and the secondary pump assemblies as one unit (200-225).
4. Remove the pump gasket (228).
5. Remove the seven 8-mm bolts from the upper control valve body assembly.
6. Remove the following parts:
- The upper control valve body assembly (300)
- The spacer plate (327)
- The gaskets (326, 328)
1. Using a small screwdriver, disconnect the following parts:
The electrical connector from the automatic transmission fluid temperature sensor (350)
- The torque converter clutch solenoid valve (336) The pressure control solenoid valve (339)
2. Remove the 19 8-mm bolts (229, 231, 232, 233, 234, 235, 331) from the pump housings.
3. Remove the scavenge, the primary and the secondary pump assemblies as one unit (200-225).
4. Remove the pump gasket (228).
5. Remove the seven 8-mm bolts from the upper control valve body assembly.
6. Remove the following parts:
- The upper control valve body assembly (300)
- The spacer plate (327)
- The gaskets (326, 328)
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.