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Removing Remove toothed belt from camshaft sprockets => Page 13-19. Remove camshaft sprockets from cylinder bank 5-8. Loosen bolts -1-. Remove bolts -2- and toothed belt cover. Remove cylinder head cover => Page 15-2. Remove Camshaft Position (CMP) sensor, item -30- and CMP rotor, item -27- => Page 15-35. Check TDC position of camshafts: Both markings on camshafts must align with arrows on bearing caps. When re-using drive chain: Clean drive chain and camshaft sprockets. Mark position with paint. CAUTION! DO NOT mark chain with punch or scriber, use paint only. Continuation Secure camshaft adjuster with bracket for chain tensioning tool 3366. CAUTION! Do not over-tighten bracket for chain tensioning tool, otherwise camshaft adjuster may be damaged Regardless of how bearing caps are marked, mark sequence and installation position of all bearing caps as shown in illustration. Remove bolts for camshaft adjuster -arrow-. Remove bearing cap 0. Remove bearing caps 1, 3, 5, 7 and 8 and place in order on clean surface. Loosen bearing caps 2, 4,and 6 diagonally and remove. Remove camshafts with camshaft adjuster. Installing Install camshaft adjuster in reverse order of removal but note the following: Replace half-round cap.