Titan 2WD V8-5.6L (VK56DE) Flex Fuel (2009)
Exhaust Manifold: Service and Repair
Removal And Installation
EXHAUST MANIFOLD AND THREE WAY CATALYST
Removal and Installation
REMOVAL
WARNING:
Perform the work when the exhaust and cooling system have cooled sufficiently.
1. Remove the engine undercover (rear) using power tool (4WD models).
2. Remove front final drive assembly (4WD models). See: Transmission and Drivetrain/Differential Assembly/Service and Repair/Removal and
Replacement/Front Final Drive M205.
3. Remove the main muffler assembly and center exhaust tube. .
4. Remove the front exhaust tubes. .
5. Remove front tires. See: Maintenance/Wheels and Tires/Service and Repair.
6. Remove fender protectors. See: Body and Frame/Fender/Front Fender/Front Fender Liner/Service and Repair.
7. Remove the LH and RH air fuel ratio A/F sensors.
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Follow steps below to remove each air fuel ratio A/F sensor.
a. Remove the harness connector of each air fuel ratio A/F sensor, and harness from bracket and middle clamp.
b. Remove the air fuel ratio A/F sensors from both LH and RH exhaust manifolds using Tool.
Tool number : - (J-44626)
CAUTION:
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Do not damage the air fuel ratio A/F sensors
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Discard any air fuel ratio A/F sensor which has been dropped from a height of more than 0.5m (19.7 in) onto a hard surface such as a
concrete floor. Replace it with a new one.
8. Support the engine using a suitable tool.
9. Remove the exhaust manifold (LH) (A) following the steps below.
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Arrow indicates Front
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B: Exhaust manifold (RH)
a. Remove the engine mounting insulator. .
b. Remove the exhaust manifold cover.
c. Remove the engine mounting bracket. .
d. Loosen the nuts in reverse order as shown using power tool.
e. Remove the exhaust manifold (LH) (A).