Toyota Corolla

1992-1998 of release

Repair and operation of the car



Toyota Corolla
+ 1. Maintenance instruction
+ 2. Maintenance
- 3. Engines
   - 3.1. Petrol engines
      + 3.1.1. Repair work without dismantle of the engine from the car
      - 3.1.2. Dismantle and capital repairs
         3.1.2.1. Specifications
         3.1.2.2. Diagnostics of the engine by means of a vakuumer
         3.1.2.3. Check of a compression in engine cylinders
         + 3.1.2.4. Dismantle of the power unit - methods and safety measures
         3.1.2.5. Alternatives of capital repairs of the engine
         3.1.2.6. Order of dismantling of the engine
         3.1.2.7. Head of the block of cylinders
         3.1.2.8. Repair of valves
         3.1.2.9. Shatunno-porshnevaya group
         3.1.2.10. Dismantle of the crankshaft
         3.1.2.11. Block of cylinders
         3.1.2.12. Honningovaniye of cylinders
         3.1.2.13. Cranked shaft
         3.1.2.14. Radical and shatunny bearings
         3.1.2.15. Engine assembly order
         3.1.2.16. Piston rings
         3.1.2.17. Installation of a cranked shaft and check of gaps of radical bearings
         3.1.2.18. Back epiploon
         3.1.2.19. Installation of shatunno-piston group
         3.1.2.20. Start-up of the engine after repair and a running in
   + 3.2. Diesel engine
   + 3.3. Electric equipment of the engine
+ 4. Cooling systems, heating
+ 5. Fuel, exhaust systems
+ 6. System of decrease in toxicity
+ 7. Transmissions
+ 8. Coupling and half shafts
+ 9. Brake system
+ 10. Suspension bracket and steering
+ 11. Body
+ 12. Electric equipment



3.1.2.8. Repair of valves

GENERAL INFORMATION

Because of complexity of works and need of use of special tools and the equipment, it is best of all to charge repair of valves, saddles and the directing plugs to the skilled expert.

In house conditions performance of the following works is possible: removal and dismantling of a head (heads) of the block of cylinders, its washing and check of a state, repeated assembly and delivery in service of car service of the dealer or in specialized workshops for repair of valves and saddles.

In service of car service or in specialized workshops the following types of works are carried out: removal of springs and valves, polishing or replacement of valves, saddles and the directing plugs, check and replacement of springs, plates, basic washers and crackers (as required), replacement of oil scraper caps, assembly of details of the valve, check of height of a spring in a free state. At the deviation from the plane exceeding norm, the head of the block is ground.

After performance of check and repair of valves and their details by the skilled personnel, the head of the block of cylinders is completely restored. Before installation of a head of the block wash out it once again to remove the remains of abrasive material from polishing of a head or grinding in of valves. At opportunity blow all channels and openings of a head of cylinders compressed air.