Air Delivery Pipe, Rear Exhaust Manifold

Air Delivery Pipes:

1. Release secondary air delivery pipe/rear exhaust manifold air pipe, release front and rear exhaust manifold air pipe union nuts.
2. Remove pipe assembly.
3. Release front to rear air pipe union and place the rear pipe aside.
4. Fit new rear pipe to front pipe leaving union nut loose.
5. Fit manifold pipe assembly to exhaust manifolds and secondary air pipe union, tighten secondary air pipe union.
6. Finally tighten two unions on the front pipe and the rear pipe/manifold union.