X-90 (4WD) L4-1591cc 1.6L SOHC MFI (1998)
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6. Remove exhaust manifold stiffener.
7. Remove exhaust manifold and its gasket from cylinder head.
INSPECTION
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Refer to removal and installation procedures of exhaust manifold. Refer to removal and installation procedures of HO2S-2.
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For replacement of exhaust No.1 pipe, exhaust No.2 pipe, muffler or any part used to mount or connect them, be sure to hoist vehicle and observe
WARNING given at the left of this page.
CAUTION: As exhaust No.2 pipe has three way catalytic converter in it, it should not be exposed to any impulse. Be careful not to drop it or hit
it against something.
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When exhaust manifold is removed, check gaskets and seal for deterioration or damage. Replace them as necessary.
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Tighten bolts and nuts to specified torques when reassembling. Refer to figure for location of bolts and nuts.
Tightening Torque
(a): 50 Nm (36.5 ft. lbs.)
(b): 60 Nm (43.5 ft. lbs.)
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There are three types of muffler mounting. Refer to figure for their correct use.
INSTALLATION
