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
5. Systems of cooling of the engine, heating, ventilation and air conditioning
6. A power supply system and production of the fulfilled gases
6.1. General information and security measures
6.2. Power supply system of petrol engines
6.2.1. Principles of functioning of a control system of the petrol engine
6.2.2. Removal and installation of the case of an air purifier
6.2.3. Removal and branch pipe installation between a flowmeter of air and the butterfly valve case
6.2.4. Removal and installation of the case of a throttle, replacement of its laying
6.2.5. Removal and IAC valve installation
6.2.6. Removal and installation of the fuel distributive highway and injectors
6.2.7. Replacement of a regulator of pressure of fuel
6.2.8. Removal and installation of the fuel pump
6.2.9. Removal and installation of sensors of a stock of fuel
6.2.10. Removal and installation of a fuel tank
6.2.11. Removal and installation of a fuel jellied mouth
6.3. Power supply system of diesel engines
6.4. Systems of release and decrease in toxicity 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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6-2-5-snyatie-i-ustanovka-klapana-iac.html

6.2.5. Removal and IAC valve installation

Models with the M52 engine

 PERFORMANCE ORDER

  1. Switch off ignition. Remove the air purifier case (see. Section Removal and installation of the case of an air purifier).
  2. Remove cases of butterfly valves (see. Section Removal and installation of the case of a throttle, replacement of its laying).

Do not disconnect cables and hoses of heating of a butterfly valve.


  1. Remove directing tube щупа level of impellent oil (1). Wring out a clamp, separate the socket, turn out two bolts (2) and disconnect the IAC valve.
  1. Remove laying (1) and a rubber collar (2). Weaken a collar (3) and disconnect a hose.
  1. Installation is made upside-down. Replace laying. In summary check idling turns.

Models with the M52TU engine

 PERFORMANCE ORDER

  1. Execute the actions described in paragraphs from 1 on 6 Section Removal and installation of the case of a throttle, replacement of its laying.

Д/В sockets of pressure and temperature of impellent oil do not separate.


  1. Turn out a bolt (1) fastening of a box of electroconducting, bolts (2) holders of the valve (3) IAC and take out the IAC valve from an inlet collector together with an arm.
  1. Remove the valve (2) IAC from a fixing rubber element (4). Laying (1) between the IAC valve and the inlet pipeline is subject to replacement. But to establish consolidation at repeated installation follows not on the IAC valve, and at first in an inlet collector.
  1. Installation is made upside-down.

Models with M60 and M62 engines

 PERFORMANCE ORDER

  1. Execute the actions described in paragraphs from 1 on 3 Section Removal and installation of the case of a throttle, replacement of its laying.
  1. Hang out fastening (1) and take out the IAC valve.
  1. Installation is made upside-down. For ensuring tightness sealing rings on the case of a throttle and on the IAC valve should be pure and without damages. In case of damage of sealing rings it is necessary to replace them. At installation first of all it is necessary to establish a sealing ring on a butterfly valve flange.


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6.2.4. Removal and installation of the case of a throttle, replacement of its laying
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6.2.6. Removal and installation of the fuel distributive highway and injectors