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 MANUALSCADILLAC1993FLEETWOOD BROUGHAM V8-350 5.7LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTEMISSION CONTROL SYSTEMSEXHAUST GAS RECIRCULATIONEGR VALVESERVICE AND REPAIR
1993 Cadillac Fleetwood Brougham V8-350 5.7L
EGR Valve: Service and Repair
1993 Cadillac Fleetwood Brougham V8-350 5.7LSECTION Service and Repair
EGR Replacement:
REMOVE OR DISCONNECT
1. Air cleaner.
2. EGR Valve vacuum hose at valve.
3. 2 nuts.
4. EGR valve from manifold.
INSPECT
^ EGR passages in the intake manifold for deposits.
^ EGR for deposits and binding.
INSTALL
1. Cleaned or replacement EGR valve on intake manifold using new gasket.
2. Attaching nuts. Torque nuts to 22 Nm (16 ft lb).
3. Vacuum hose to valve.
4. Air cleaner.
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.