Thermal unit and timing system
- Check that the throttle valve and relevant duct are
well clean.
- Also check that the additional air duct operated by the
Stepper-motor is well clean.
05_243
Throttle body assembly to manifold
- Perform the disassembly operations in the reverse
order. Tighten the 3 fixing screws to the prescribed
torque
Tightening torque:
Throttle body fixing screws: 11 - 13 N·m
05_241
Intake manifold assembly to engine
- Assemble the intake manifold on the engine
- Insert the 3 fixing screws and tighten them to the
prescribed torque. One of the screws is provided with
a clamp supporting the cooling system sleeve.
Tightening torque:
Intake manifold fixing screws: 11 - 13 N·m
05_244
7
7 - 31
Note.
Fitting the throttle body on the manifold.
If the throttle body is replaced, reset the T.P.S. as described on page 9-87
and adjust the CO%at idle as derected on page 9-95.
After restoring the engine, check again that the CO% value at idle is within the prescribed range.
Should the CO% exceed the allowable range, carry out the adjustment as described on page 9-95.
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