EXHAUST MANIFOLD AND THREE WAY CATALYST
EM-33
< REMOVAL AND INSTALLATION >
[VQ40DE]
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6. Remove gaskets.
CAUTION:
Cover engine openings to avoid entry of foreign materials.
INSPECTION AFTER REMOVAL (RH)
Surface Distortion
• Check the surface distortion of the exhaust manifold mating sur-
face with straightedge and feeler gauge.
• If it exceeds the limit, replace exhaust manifold.
INSTALLATION (RH)
Installation is in the reverse order of removal.
NOTE:
If necessary, a crowfoot may be used to tighten the exhaust manifold nuts.
Exhaust Manifold Gasket
Install the exhaust manifold gaskets in direction as shown.
• : Front
• A: Identification hole
Exhaust Manifold
• If exhaust manifold studs were removed, install them and tighten to specification.
• Install exhaust manifold and tighten nuts in numerical order as
shown.
CAUTION:
Use new exhaust manifold nuts for installation.
NOTE:
Tighten nuts No. 1 and 2 in two steps. The numerical order No. 7
and 8 show second step.
- : Front
Limit : 0.3 mm (0.012 in)
PBIC1096E
AWBIA0728ZZ
AWBIA0727ZZ
Revision: January 2013 2013 Xterra
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