Impreza WRX F4-2.0L DOHC Turbo (2004)
Exhaust Pipe: Service and Repair
Front Exhaust Pipe
REMOVAL
1. Disconnect the ground cable from battery.
2. Remove the front oxygen (A/F) sensor.
3. Remove the under cover.
4. Remove the lower exhaust manifold cover (RH).
5. Remove the lower and upper exhaust manifold covers (LH).
6. Remove the bolts and nuts which hold the front exhaust pipe assembly to turbocharger joint pipe.
7. While holding the front exhaust pipe assembly with one hand, remove the nuts which hold the front exhaust pipe assembly to cylinder head
exhaust port.
