Exhaust System
The exhaust system consists of single pipe, four box and twin pipe, six box configurations.
Heatshields are fitted to the underbody of all cars above certain parts of the exhaust system.
Certain cars built to North American and Japanese emission control regulations are fitted with catalytic converters in place of the front silencer.
Exhaust Configurations
Early cars feature a single four box system with front off-take.
Later models, including the Corniche, have a twin six box system with balance pipe and angled tail pipes.
Grass-fire shields are suspended under the pipework and later under the silencers and catalytic converter.
When renewing an exhaust system, reference must be made to the Parts List for details.
Removal and Fitting
To remove the exhaust system, the car must be raised to a convenient working height.
The rear section of the exhaust is detached at the spherical joint between the front silencer and the expansion box.
The front section of the exhaust is removed by supporting the system at the Y’ joint and releasing the spherical joints at the manifolds.
Grass-fire shields must be checked for damage and replaced if necessary.
Manual:
Download: Workshop Manual Rolls-Royce Silver Shadow & Bentley T Series
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