Front Exhaust Pipe - Subaru 2002 IMPREZA Service Manual

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FRONT EXHAUST PIPE
EXHAUST
2. Front Exhaust Pipe
A: REMOVAL
1 ) Disconnect the ground terminal from battery.
2) Remove the front oxygen (NF) sensor. <Ref. to
FU(D0HC TURBO)-42, REMOVAL, Front Oxygen
(NF) 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.
0
0 0 0 0
8) Remove the front exhaust pipe assembly.
9) Remove the covers from exhaust manifold and
front exhaust pipe.
10) Separate the front exhaust pipe from exhaust
manifolds.
B: INSTALLATION
CAUTION:
Replace the gaskets with new ones.
1) Assemble the front exhaust pipe and exhaust
manifolds.
Tightening torque:
35 N.m (3.6 kgf-m, 26.0 ff-lb)
-
G2M0854
2) Install the front exhaust pipe covers.
Tightening torque:
3) Install the upper exhaust manifold cover (RH).
Tightening torque:
4) Install the front exhaust pipe assembly.
Tightening torque:
25 N.m (2.5 kgf-m, 78.7 ff-lb)
79 N-m (1.9 kgf-m, 73.7 ff-lb)
35 N-m (3.6 kgf-m, 26.0 ff-lb)
EX(D0HC TURBO)-6