91. EGR Valve and Pipe Installation

Exhaust Gas Recirculation (EGR) and EGR Pipe Installation

Important: Inspect the EGR outlet pipe for leaks during installation. If cracks, deformation or any visible signs of leaking is present, replace the EGR adapter assembly.





1. Install the EGR valve adapter assembly on the cylinder head.

Notice: Refer to Fastener Notice in Service Precautions.

2. Install the EGR valve adapter assembly to cylinder head bolts.
^ Tighten the EGR valve adapter assembly bolts to 50 Nm (37 ft. lbs.).
3. Install the EGR valve outlet pipe to the lower intake and the EGR valve adapter assembly.
4. Install the EGR valve outlet pipe bolt and nut.
^ Tighten the EGR valve outlet pipe bolt and nut to 29 Nm (21 ft. lbs.).
5. Install the EGR valve adapter inlet pipe to the RH exhaust manifold.
6. Install the EGR valve adapter inlet pipe bolt.
^ Tighten the EGR valve adapter inlet pipe bolt to 29 Nm (21 ft. lbs.).
7. Install the EGR valve gasket and EGR valve.
8. Install the EGR valve nuts.
^ Tighten the EGR valve nuts to 29 Nm (21 ft. lbs.).