Replace the rivet nuts in the exhaust manifold - AR49.10-P-5531-01DA

Fig 1: Identifying Cocking Bolt (103 589 01 39 00)

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.

1. Hammer rivet nuts with a suitable bolt (arrow) out of exhaust manifold bores.

   Only screw bolt into rivet nut by hand.

   Fig 2: Removing Rivet Nuts

   Courtesy of MERCEDES-BENZ OF NORTH AMERICA.
2. Insert new rivet bushes into exhaust manifold bore.
3. Screw cocking bolt into rivet nut and tighten.
4. Unscrew cocking bolt.

Fig 3: Inserting Rivet Bushes Into Exhaust Manifold Bore

Courtesy of MERCEDES-BENZ OF NORTH AMERICA.