7.10.2 Exhaust gas recirculation ‒ Checking flap operation
Preconditions
☑
Engine is stopped and starting disabled.
WARNING
Component is hot.
Risk of burning!
• Wear protective gloves.
WARNING
Exhaust flaps close automatically.
Danger of crushing hands!
• Keep clear of the danger zone around the exhaust flaps when calibrating.
• Switch off the Engine Control Unit operating voltage when performing mechanical tests.
• Wear protective gloves.
Checking exhaust flap operation
1.
For installation position of exhaust flaps, refer to overview (→ Page 71).
2.
Check operability and ease of movement of
exhaust flaps and control linkage by mov-
ing the assembly at the points (arrowed)
shown in the illustration.
Result:
If exhaust flap is jammed or sluggish: Con-
tact Service.
3.
Visually inspect control linkage for damage.
Result:
Control linkage damaged: Replace.
72 | Task Description | MS150117/01E 2014-10
TIM-ID: 0000057134 - 001
