Exhaust Gas Recirculation (EGR) and EGR Pipe Installation
WARNING: This page is about a different car, the 2004 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
- Install the EGR inlet pipe into the RH exhaust manifold as the EGR valve adapter assembly is installed onto the cylinder head.
- Install the EGR valve adapter assembly to cylinder head bolts and the EGR inlet pipe to RH exhaust manifold bolt.
Tighten:
- Tighten the EGR valve adapter assembly to cylinder head bolts to 50 N.m (37 lb ft).
- Tighten the EGR inlet pipe to RH exhaust manifold bolt to 29 N.m (21 lb ft).
- Install the EGR valve outlet pipe to the lower intake and the EGR valve adapter assembly.
- Install the EGR valve outlet pipe bolt and nut.
Tighten: Tighten the EGR valve outlet pipe bolt and nut to 29 N.m (21 lb ft).
- Install the EGR valve gasket and EGR valve.
- Install the EGR valve nuts.
Tighten: Tighten the EGR valve nuts to 29 N.m (21 lb ft).
- Install the lower right exhaust manifold heat shield.
- Install the upper right exhaust manifold heat shield.
- Install the heated oxygen sensor lead.
IMPORTANT:
Inspect the EGR inlet/outlet pipes for leaks before installation. If cracks, deformations or any visible signs of leaking are present, replace the appropriate part.
NOTE:
Refer to Fastener Notice in Cautions and Notices.