300D (124.133) L6-3.0L DSL Turbo (603.960) (1987)
2. Press back retaining lugs in pairs starting from outside.
3. Remove protective strip and foam member.
4. Unscrew front holder.
5. Drill out fastening rivets of lateral holders.
Note: Hold rivets inside with pliers, so that the rivet is not turning along while drilling.