W 3500 L4-5.2L DSL Turbo (2005)
Exhaust Brake: Component Tests and General Diagnostics
Exhaust Brake
Inspection
Check for damage or degradation in the parts mentioned below.
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Exhaust brake valve
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Exhaust brake shaft
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Butterfly valve
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Bush
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Power chamber
Unit check
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Negative pressure in the power chamber caused by the vacuum pump
When a pressure of 53.3 to 93.3 kPa (400 to 700 mmHg) is applied, the exhaust brake valve should open or close smoothly.