That kit is about physically removing the valve from the engine and using block off plates to cover the remaining openings. You can just pull the lines from the black box. Plug off the egr nipple, the two thermo nipples just above the t'stat. Follow the two other lines to where they intersect with a two, three or four way connector, distributor in MB speak, and replace those with a one fewer connector. You'll have new connectors and your exhaust will no longer pollute your manifold.

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83 SD

84 CD