EGR Valve: Service and Repair

EGR Valve Installation:

EGR Valve Replacement

Removal Procedure

Notice: Numbers in text correspond to numbered components in image.

1. Remove the vacuum line from the EGR Valve (1).

2. Remove the EGR Valve retaining nuts from the intake manifold (3).

3. Remove the EGR valve (1).

Notice: 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.

Cleaning

Clean using the following procedure:

^ With a wire wheel, buff the exhaust deposits from the mounting surface and around the valve.

^ Look for exhaust deposits in the valve outlet. Remove deposit buildup with a screwdriver.

^ Clean mounting surfaces of intake manifold and valve assembly.

Installation Procedure

1. Install the EGR Valve (1) on the intake manifold (3) using a new gasket (2). Tighten the EGR Valve Bolts to 22 Nm (16 lb ft).

2. Connect the vacuum hose to the EGR Valve (1).