BMW 7_ая the E38 series from 1994 to 2002
1. Introduction
2. Governing bodies and operation receptions
3. Settings and routine maintenance of the car
4. Engine
4.1. General information and preparatory operations
4.2. Check of kompressionny pressure
4.3. Engine check by means of the vacuum gage
4.4. Petrol M60/1 and M60/2 engines
4.5. M62 engine
4.5.1. Removal and installation of covers of heads of cylinders
4.5.2. Removal and installation of heads of the block of cylinders
4.5.3. Removal and installation of the top section of the pallet of a case and oil pump
4.5.4. Removal and installation of the pallet of a case
4.5.5. Removal and installation of covers of a chain of GRM
4.5.6. Replacement of epiploons of a cranked shaft and consolidations of distributors of ignition
4.5.7. Removal and flywheel installation
4.5.8. Removal and installation of a damper of krutilny fluctuations
4.5.9. Removal and installation of driving belts
4.5.10. Removal and installation of the oil pump
4.5.11. Removal and installation of inlet pipelines
4.5.12. Removal and installation of final collectors
4.5.13. Removal and engine installation
4.6. Diesel M57 engine
4.7. Diesel M67 engine
5. Systems of cooling of the engine, heating, ventilation and air conditioning
6. A power supply system and production of the fulfilled gases
7. Systems of electric equipment of the engine
8. Manual box of gear shifting and coupling
9. Automatic transmission
10. Kardanny and power shafts, reducer, differential and stupichny assemblies
11. Brake system
12. Suspension bracket and steering
13. Body
14. Onboard electric equipment
15. Electric equipment schemes




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4-5-5-snyatie-i-ustanovka-kryshek-cepi-grm.html

4.5.5. Removal and installation of covers of a chain of GRM

Top covers of a chain and asterisk of camshafts

Removal

 PERFORMANCE ORDER

  1. Remove covers of heads of cylinders (see. Section M62 Engine).
  2. Remove the coupling of a drive of the fan of system of cooling with a krylchatka and a fan casing.
  3. On the block of No. No. 1-6 cylinders take the locking valve.
  4. Remove cases of both distributors of ignition (see. Head of the Power supply system and production of the fulfilled gases).
  5. If necessary remove the CMP sensor.
  1. Turn out a bolt of fastening directing an oil pan.
  1. Uncover a maslonalivny branch pipe and turn out a bolt.
  1. Turn out bolts of fastening and remove the top forward cover of a chain of GRM.
1 — the Holder of a pipe of supply of additional air
  1. Remove directing to a chain of a drive of a camshaft.
  1. Turn a cranked shaft for the central bolt clockwise so that the piston of the first cylinder was in VMT of the end of a step of compression.

Sample (1) on a flange of a camshaft should be in this situation on one axis with a bolt of fastening of the fuel distributive highway (2).


VMT installation
  1. Take out a dustproof cover from an opening for fixing of a cranked shaft and fix a shaft by means of the adaptation No. 11 2 300 or a suitable core.
  1. Fix both camshafts by means of the adaptation No. 11 3 190.

Cranked and camshafts should remain in the fixed situation till the end of work.


  1. Wring out a protective cap of a natyazhitel by means of a screw-driver, weaken the lock-nut (2) located a cap, turn an adjusting bolt (1) on some turns. Carefully give a kolpachkovy nut (3).

Nut (3) подпружинена.

  1. Turn out bolts of fastening of the left and right asterisks then fix a chain that it did not slide off.
  1. Turn out a bolt (1) fastening of a level of an uspokoitel of a chain. Extend a level of an uspokoitel from the bottom loop of fastening by movement up.
  1. Turn out bolts (1) and remove the top back cover of a chain of GRM.
Right bolts of fastening of a back top cover of a chain of GRM
Left bolts of fastening of a back top cover of a chain of GRM

Installation

 PERFORMANCE ORDER

  1. Clear interfaced surfaces of dirt and greasing.
  2. Make sure of integrity and correctness of installation of aligning plugs.
  1. Establish new laying (1) on both numbers of cylinders. On laying (1 round an opening for a chain put Hylomar SQ 32 hermetic M).
  1. Establish a back cover and tighten all bolts of its fastening by hand. Tighten with demanded effort at first bolts of fastening of a back cover to the bottom cover, and then to heads of cylinders.
  2. Before installation of an asterisk of a camshaft of a number of No. No. 7-12 cylinders do not forget to establish on a ledge on a shaft a CMP sensor rotor.
  3. Establish asterisks on camshafts, having leveled on the center longitudinal openings; tighten bolts of fastening of asterisks by hand.
  1. Establish a plunzher of a natyazhitel of a chain so that the directing ledge (1) entered into a level of a natyazhitel. Insert a spring and tighten a carving stopper (2).
  1. Adjust a chain tension. For this purpose press and take away a level of a natyazhitel in the direction of a driving chain and measure A distance. Wring out a level of a natyazhitel against the stop, measure distance of B and subtract from it A distance. By means of the adjusting screw establish a preset value (6 + 0.5 mm.) also tighten a lock-nut.
  1. Establish a new protective cap of a natyazhitel.
  2. Tighten with demanded effort bolts of fastening of asterisks of camshafts: at first on the party of No. No. 7-12 cylinders, then - on the party of No. No. 1-6 cylinders.
  3. Establish directing to a chain of a drive of a camshaft.
  1. Insert a level of an uspokoitel of a chain from above and fix it in a fastening plate. Tighten a bolt of fastening of an uspokoitel.

At the established cover of GRM the loop of fastening is not visible.

  1. Clear interfaced surfaces of a cover of a chain of dirt and oil. Check aligning plugs of a cover on damages and correctness of installation. Put on surfaces of a joint of the top and bottom covers Hylomar SQ 32 hermetic M.
  2. Establish new sealing laying so that the strip of a sealant was turned outside.
  3. Establish the top forward cover of GRM.
  4. Tighten by hand a bolt in a maslonalivny branch pipe and a bolt of fastening directing an oil pan.
  5. Tighten bolts of fastening of the top forward cover of a chain of GRM.
  6. Establish other acting in film components in sequence, return sequence of their dismantle.

Bottom forward cover

 PERFORMANCE ORDER

  1. Empty system of cooling of the engine (see. Head of Control and routine maintenance of the car).
  2. Remove the top covers of a chain of GRM and the top section of the pallet of a case (see. Section Removal and installation of the top section of the pallet of a case and oil pump).
  1. Weaken a collar and disconnect a hose.
  1. Turn out bolts and remove a bracket, take a hose aside. Remove a damper of krutilny fluctuations.
  1. Turn out bolts of fastening of the bottom forward cover of a chain of GRM.
  1. Fix a chain of GRM and its level. Clear condensed surfaces of a case of the engine, check correctness of an arrangement of aligning plugs.
  2. Establish new sealing laying. Put on surfaces of a joint of laying of a cover of a chain of GRM a Hylomar SQ 32 hermetic M layer.
  3. Replace a forward epiploon of a cranked shaft (see. Section Replacement of epiploons of a cranked shaft and consolidations of distributors of ignition).
  4. Connect acting in film hoses.

Bottom back cover

 PERFORMANCE ORDER

  1. Remove the bottom forward cover of a chain of GRM.
  1. Turn out bolts of fastening of the water pump and remove it.
  1. Take out a spring lock ring, remove a level of a natyazhitel and GRM chain.
  1. Take out a persistent bolt (1) level of a natyazhitel. If necessary remove a fixing corner (2) levels of an uspokoitel of a chain.
  1. Turn out fastening bolts. Remove the bottom back cover of GRM.
  2. Installation is made upside-down. Use new laying of a cover of a chain of GRM; on surfaces of a joint put Hylomar SQ 32 hermetic M. Replace laying of the water pump.


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4.5.4. Removal and installation of the pallet of a case
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4.5.6. Replacement of epiploons of a cranked shaft and consolidations of distributors of ignition