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NOTE: Because the CGI bellows is covered 3. On vehicles with CAT engines, inspect the CGI . If the bellows is damaged or leaking, replace it. See for the replace- ment procedure. 4. If present, check the condition of the insulation 5. Check the ATD mounting bands for tightness. 6. Check for leaks around the clamps that attach 7. Check all sensors attached to the ATD for leaks 8. Check the DPF exterior surface for dents or . A dent over 3 inches (76 mm) in diameter and 1/4-inch (6- 9. Check for heat discoloration on the surface of 10. Check any wires, lines, or hoses within 4 inches (10 cm) of the exhaust system for heat damage. 49–02 CAT CGI Bellows Replacement On vehicles with CAT EPA07 compliant engines, re- NOTICE A leak in the CGI piping, including the bellows, 1. Park the vehicle, set the parking brake, chock 2. Open the hood. 3. Remove the right side inner fender/splash shield 02/24/2011 f490456 1 1 2 3 4 5 6 5 3 7 8 9 3 10 1. Clamp 2. Inlet Pipe 3. U-Clamp 4. Forward Pipe-Support Brace 5. Slip Clamp 6. CGI Bellows 7. Center Pipe-Support Brace 8. Center Pipe 9. Clamp 10. Outlet Pipe Fig. 8, CAT EPA07 Exhaust Installation with CGI Bellows Exhaust 49 49/4 |