Removal & Installation (Cylinders 7-12)
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Remove non-return valve for cylinders 7-12. Remove left distributor cap. Remove spark plug connector for cylinders No. 7-12. Unfasten nuts and remove ignition wiring harness. Unfasten screw connection for heat baffle plate on exhaust manifold of cylinders 7-9. Unfasten flanges. To install, reverse removal procedure. Ensure gasket residue is cleaned off flanges. Replace gaskets. Install flange and gasket to exhaust manifold. Install gasket to flange.