4a6fe675

2.1.3. Removal and installation of a cover of a head of cylinders

If the radio receiver of your car is equipped with system of protection against theft, make sure that you gathered the correct code before a battery detachment.


If after connection of the battery of an inscription on an instrument guard appeared not in that language, address the Section System of Protection of the Audio System from theft and language of an instrument guard where the procedure of installation of the necessary language is described.

Removal

 PERFORMANCE ORDER

  1. Disconnect a negative wire of the battery.
  2. Disconnect a hose of a sapun from a cover of a head of cylinders.
  3. On M20 engines to an otboltita also remove a basic bracket of the inlet pipeline and if is available, a bracket for sensors of the engine or the stabilizer of idling (possibly, it will be required to disconnect electric sockets of sensors and the stabilizer).
  4. On M30 engines disconnect the electric socket of the measuring instrument of an air stream. Remove clips from an electrical wiring and take it aside.
  5. Where it is necessary on M30 engines, disconnect hoses and nipple connections from a hose of an inlet air duct, then release a clip and remove a hose from the case of a butterfly valve. Give nuts of fastening of a casing of the air cleaner and remove a casing together with a hose and the measuring instrument of an air stream.
  6. Give fixing nuts and washers of a cover of a head of cylinders.
Arrangement of bolts of a cover of a head of cylinders (are specified by shooters) on four-cylinder M10 engines.
Arrangement of bolts of a cover of a head of cylinders (are specified by shooters) on six-cylinder M20 engines.
  1. Where it is necessary, disconnect a clip or a cover of a wire of a spark plug from the screw of adjustment of a gap and put it aside. Usually there is no need of a detachment of wires of spark plugs.
  2. Uncover a head of cylinders and laying. Throw out old laying. On M40 engines also uncover a cam-shaft.
  1. Uncover a head of cylinders the M40 engine.
  1. Uncover a cam-shaft the M40 engine.
  1. Remove laying of a cover of a head of cylinders from the M40 engine.
  1. If it is provided, remove semicircular consolidation from the valve on a forward part of a head of cylinders.

Installation

 PERFORMANCE ORDER

  1. Using a scraper, remove all traces of material of old laying from surfaces of a cover and a head of cylinders.

Be extremely careful not to damage soft aluminum surfaces. On sale are available, and there can be useful, special solvents for removal of laying. After material of laying is completely removed, the surfaces of laying can be cleared of lubricant by means of the rag moistened in suitable solvent.

  1. If it is provided, install semicircular consolidation on the valve in a forward part of a head of cylinders, then apply special RTV sealant for laying on connections between consolidation and the corresponding surface of laying of a cover of a head of cylinders.

After putting sealant it is necessary to establish a cover of a head of cylinders and to tighten nuts within no more than ten minutes.

  1. Establish a cam-shaft cover (M40 engines), a cover of a head of cylinders and new laying. Spread washers and nuts; reliably and exactly tighten nuts. Do not draw them - they have to be tightened so to prevent leak of oil through laying, but is not excessive not to deform a cover.
  2. Other part of the procedure of installation corresponds to removal upside-down.