EGR Tube: Service and Repair

EXHAUST GAS RECIRCULATION (EGR) PIPE REPLACEMENT

REMOVAL PROCEDURE
1. Turn the ignition OFF.
2. Apply the parking brake.




3. Raise the front of the vehicle approximately 100 mm (4 in.) with a floor jack. Refer to Vehicle Lifting.
4. Remove the two front frame bolts.
5. Slowly lower the frame and powertrain approximately 100 mm (4 in.) from the underbody rails in order to gain access to the EGR pipe.

IMPORTANT: Do not lower the frame and powertrain more than 100mm (4 in.)

6. Place two jack stands beneath the frame to prevent any movement of the frame and powertrain assembly.




7. Remove the EGR pipe bolt and the EGR pipe from the EGR valve.
8. Loosen the EGR pipe nut in order to remove the EGR pipe from the exhaust manifold.
9. Remove the EGR pipe.

INSTALLATION PROCEDURE




1. Install the EGR pipe to the exhaust manifold.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten
Tighten the EGR pipe nut to 25 N.m (18 lb ft).

2. Install the EGR pipe and the EGR pipe bolt to the EGR valve.

Tighten
Tighten the EGR pipe bolt to 25 N.m (18 lb ft).




3. Use the floor jack in order to raise the frame and powertrain until the frame contacts the underbody rails.
4. Install the frame bolts.
5. Remove the jack stands.
6. Lower and remove the floor jack.
7. Release the parking brake.