EGR Valve: Service and Repair

REMOVE OR DISCONNECT
1. Negative battery cable.
2. Air cleaner assembly.
3. EGR valve vacuum hose at valve.
4. EGR valve from manifold.

EGR MANIFOLD PASSAGE
^ If EGR passages in the inlet manifold indicate excessive build-up of deposits, the passages should be cleaned. Care should be taken to ensure that all loose particles are completely removed to prevent them from clogging the EGR valve or from being ingested into the engine.

Clean
1. With a wire wheel, buff the exhaust deposits from the mounting surface and around the valve.
2. Look for exhaust deposits in the valve outlet. Remove deposit build-up with a screwdriver.
3. Clean mounting surfaces of intake manifold and valve assembly.

INSTALL OR CONNECT
1. EGR valve on intake manifold using new gasket.
^ Tighten Bolts to 25 Nm (18 lb. ft.).
2. Vacuum hose to valve.
3. Air cleaner assembly.
4. Negative battery cable.