Withdrawal
1. Remove bolts A and nuts B.
2. Remove the EGR pipe C.
Installation
1. Install the EGR pipe on the side of the coolant manifold, tighten nuts A by hand and install a new gasket B.
2. Install the EGR pipe on the TWC side, tighten bolts C by hand and install a new gasket D. Then tighten the bolts on the TWC side.
3. Tighten the nuts on the coolant manifold.