Mercedes S-class W202

1993-2000 of release

Repair and car operation

3.1.6. Covers of cast apertures

THE GENERAL DATA

THE 6-CYLINDER ENGINE

Cast apertures are located sideways the engine block. They are connected with channels of a cooling liquid and closed by tin covers. If at low temperatures the liquid freezes, the tin cover is squeezed out. So damage of the block of the engine is prevented. For cast apertures it is necessary to replace not tight covers.

PERFORMANCE ORDER

1. Dismantle details of the unit which disturb to access to a corresponding cover of cast apertures. 2. Establish a screw-driver or a narrow chisel on cover edge. 3. Cautiously drive in inside запорную a cover (121) on the one hand until it will not turn on 90 °. 4. The turned cover extend by means of a trumpet key. 5. Carefully clear a cast aperture of adjournment. The sealing surface (arrow) should be cleared of adjournment. 6. Cover a sealing surface with hermetic (for example, Loctite N241 or Curil). 7. Drive new запорную a cover the suitable probe. Allow to harden to hermetic according to the instruction of the manufacturer (about 45 minutes). 8. Establish the dismantled parts of the unit. 9. Fill in cooling liquid. 10. Warm up the engine, check up level of a cooling liquid and tightness of covers of cast apertures.