Exhaust Manifold - Cleaning and Inspection for Reuse (11-01) Section 11 - Exhaust System M11 Page 11-4 Warning: When using a steam cleaner, wear protective clothing and safety glasses or a face shield. Hot steam will cause serious personal injury. Use steam to clean the manifold sections. Dry with com- pressed air. Inspection Visually inspect the manifold sections for cracks or dam- age. Visually inspect the sealing connection surfaces for dam- age. Visually inspect the center section for damaged threads in the turbocharger mounting stud holes. Replace damaged parts. Inspect the mounting surfaces for flatness. The exhaust manifold mounting surface must be flat to within 0.25 mm [0.010 in].
The turbocharger mounting flange must have a surface flatness of 0.13 mm [0.005 in]. If these surfaces are not within the flatness specifications, refer to the Alternative Repair Manual, Bulletin No. 3810310. Apply a coat of anti-seize compound to the outside di- ameter of both end sections in the area that enters the center section. Install the end sections (1) in the center section (2).