VW Touareg repair


+ 1. Operation and car maintenance
- 2. Engine
   + Preliminary checks on the car
   - Mechanical part (petrol engines 3,2L)
      Removal of the power unit
      Removal and installation of the left and right pillows of a support of the engine
      Removal and installation of a conducted disk
      Removal and epiploon installation from a flywheel
      Replacement of an epiploon of a cranked shaft on the party of a damper of krutilny fluctuations
      Replacement of a sealing flange of a cranked shaft on the party of a damper of krutilny fluctuations
      Removal and installation of a cranked shaft
      Removal and installation of a lateral cover
      Removal and installation of a cover of a head of the block of cylinders
      Removal and installation of a head of the block of cylinders
      Check of phases of a gazoraspredeleniye
      Adjustment of phases of a gazoraspredeleniye
      Removal of cam-shafts
      Installation of cam-shafts
      Check of axial shift of cam-shafts
      Marking of cam-shafts
      Replacement of maslosjemny caps
      Check of directing plugs of valves
      Processing of saddles of valves
      Sizes of valves
      Check of pistons, piston rings and diameter of the cylinder
   + Mechanical part (petrol engines 4,2L)
   + Mechanical part (diesel engines 5,0L)
   + Removal and stretcher installation
   + pressurization System (diesel engines)
   + cooling System (petrol engines)
   + cooling System (diesel engines)
   + greasing System (petrol engines)
   + greasing System (diesel engines)
   + injection System (petrol engines)
   + injection System (diesel engines)
   + System of production of the fulfilled gases
   + System топливоподачи (beninovy engines)
   + Tables
+ 3. Transmission
+ 4. Running gear
+ 5. Steering mechanism
+ 6. Brake system
+ 7. Onboard electric equipment
+ 8. Body
+ electric equipment Schemes


Volkswagen Touareg / Touareg repair>> Engine>> Mechanical part (petrol engines 3,2L)>> Check of pistons, piston rings and diameter of the cylinder

Fig. 2.89 . Shatunno-porshnevaya group: 1–piston rings; 2–piston; 3–lock ring; 4–rod; 5–bearing loose leaf; 6–rod cover; 7–a bolt of 30 N · m + tighten on 1/4 turns (90 °); 8–block of cylinders; 9–piston finger


Check of a thermal gap of piston rings

Fig. 2.90 . Check of a thermal gap of piston rings


Drive a ring from above, at right angle to a cylinder wall, to the bottom opening of the cylinder, at distance about 15 mm from its edge. For this purpose use the piston without rings (fig. 2.90) .


Check of a gap of piston rings on height

Fig. 2.91 . Check of a gap of piston rings on height


Before check clear a ring flute ( fig. 2.91 .).


Check of diameter of the cylinder

Fig. 2.92 . Measurement of diameter of the piston


Measure approximately in 6 mm from bottom edge, at right angle to an axis of a piston finger (fig. 2.92) .
The tolerance from the nominal size of 0,04 mm is maximum

Fig. 2.93 . Scheme of measurement of diameter of the cylinder


Carry out measurements cross-wise in three places in the cross-section direction A and the longitudinal direction B (fig. 2.93) .
As much as possible tolerances from the nominal size of 0,08 mm.

NOTE
It is forbidden to measure diameters of cylinders when the block of cylinders is fixed on a clamp of the engine and VAS 6095 transmission as incorrect results are in that case possible.

Sizes of pistons and cylinders

Installation of pistons by means of T10147 funnel
Only after that it is possible to establish pistons with rings.

Fig. 2.94 . Special funnel of T10147



NOTE
When using for installation of the piston of a new funnel of T10147 at first it is necessary to carry out twice the piston with the oiled piston rings through it and if necessary to remove the appeared shaving (fig. 2.94) .

Manually push the piston into the oiled funnel of T10147. The flat party of the bottom of the piston should indicate a funnel pin (fig. 2. 95).
Holding a funnel (with the piston inserted into it) for the upper edge, push the piston inside, having pressed on it thumbs of both hands.
Push the piston so that he acted over bottom edge of a funnel approximately on 15 mm.

Fig. 2.95 . Scheme of installation of a special funnel of T10147


Put the piston in the corresponding cylinder. The funnel pin (fig. 2.95) should be turned to the middle of the block of cylinders.
Put a funnel on the block of cylinders and push the piston inside.



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