Audi 80/90/Coupe

since 1986-1991 release

Repair and operation of the car



Audi 80/90/Coupe
+ 1.2. Identification of the car
+ 2. Engines, carburetors
3. Lubrication system
+ 4. Cooling system
+ 5. Fuel system
+ 6. Exhaust system
+ 7. System of ignition
- 8. Transmission
   8.1.2. A fork - the main cylinder of coupling
   8.1.3. Press clutch plate
   8.1.4. Malfunctions of coupling
   + 8.2. Mechanical transmission 012
   + 8.3. Mechanical transmission 01A
   + 8.4. Automatic transmission 089
   + 8.5. Automatic transmission 087
   8.6. Dismantling and assembly of automatic transmissions
   8.7. Block of valves
   + 8.8. Automatic transmission 097
+ 9. Suspension brackets, wheels
+ 10. Brake system
+ 11. Steering
+ 12. Body, salon
+ 13. Air conditioning system
+ 14. Electric equipment



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8.7. Block of valves

GENERAL INFORMATION

Block of valves
1. Oil pallet
2. 4 N. of m.
3. Oil filter
4. 4 N. of m.
5. Spring
6. Dividing piston
7. Block of valves
8. Laying
9. Cover of an oil filter
10. Laying
always replace
11. 20 N. of m.

Block of valves

1. Screws
moment of an inhaling of 4 N. of m.
(are galvanized, quantity: 3)
2. Screws
moment of an inhaling of 4 N. of m.
quantity: 19
tighten evenly
3. The pressurizing balls
4. Accumulator cover

5. Block of valves
6. Spherical valves
7. Dividing plate
it is adjusted to the block of valves
8. The transferring plate
it is adjusted to the block of valves
9. Spring
10. Identifikatsionay plate

Installation

PERFORMANCE ORDER
1) install the block of valves on a transmission case
2) connect the mechanical valve A and the valve of gear shifting In
3) tighten all bolts diagonalno to 4 N. of m.

(arrow A) 1 ball with a diameter of 3 mm

(arrow B) of 5 balls with a diameter of 6 mm

4) code designation (it is specified by an arrow)

Dismantling / cleaning

The block of valves needs to be disassembled only if the transmission failed because of the burned-through frictional slips or excessively polluted cooling liquid. If cooling liquid is still rather pure, place all block of valves in the cleaning solution and then dry up it a stream of dry compressed air.

The tray is used for storage of all valves, springs and screws of the block of valves.

The form of a tray corresponds to a form of the block of valves.

Not to mix elements of the block of valves at installation, they should be placed in a tray.

Spherical the valve it is possible to store in department for storage of bolts.

PERFORMANCE ORDER
1) remove a back cover, get in turn the valve and a spring and place them in a tray
2) uncover on the other hand and repeat operation
3) establish a cover on a tray
4) ship all tray together with valves in the cleaning solution. Dry up compressed air. Do not use the water, rags leaving fibers when cleaning elements of the block of valves

Assembly

Grease at installation all elements of the block of valves with liquid of the automatic transmission and check ease of their course. The valve have to fall under the weight.

The valve which are a little scratched it is possible to reuse. It will not have an adverse effect on operation of the transmission.

All elements of the block of valves have to be absolutely pure.

The valve and spring it is necessary to establish in the same openings from where they were removed.

Establish the valve and a spring on the one hand, and then establish a cover before to pass to the second party.


Prevention

Some springs of valves have the identical sizes. However they are not interchanged as have various values of tolerances.


Grease all sealing rings with liquid of the automatic transmission before installation.