toyota Workshop Repair Guides

Toyota Workshop Service and Repair Manuals

On Vehicle Inspection|Page 1589 > < On Vehicle Inspection
Page 1
background image

EGR Valve: Testing and Inspection
Off Vehicle Inspection

1. REMOVE EGR PIPE.

Remove the bolt, 4 nuts, EGR pipe and 2 gaskets.

2. REMOVE EGR VALVE.

-

Disconnect these hoses from the EGR valve:
^

2 vacuum hoses

^

2 water bypass hoses

-

Remove the 2 nuts, EGR valve and gasket.

3. INSPECT EGR VALVE.

-

Check for sticking and heavy carbon deposits.

-

If a problem is found, replace the EGR valve.

4. REINSTALL EGR VALVE.

-

Place a new gasket on the air intake chamber.

-

Install the EGR valve with the 2 nuts.

Torque: 19 Nm (14 ft lb)

-

Connect these hoses to the EGR valve:
^

2 vacuum hoses

^

2 water bypass hoses

5. REINSTALL EGR PIPE.

On Vehicle Inspection|Page 1589 > < On Vehicle Inspection