VW Sharan repair. Diesel engines: 1,9 l of TDI.
+ 1. Introduction
+ 2. VR6 engine
+ 3. Two-liter engine (ADY)
+ 4. System of greasing of the engine
+ 5. Cooling system
+ 6. System of injection of fuel of the VR6 engine
+ 7. Simos system of injection of fuel of the 2,0-liter engine
+ 8. Ignition system
+ 9. Coupling
+ 10. Mechanical 5-step transmission
+ 11. Shaft of a drive of wheels
+ 12. Hydraulic booster of a steering
+ 13. Forward suspension bracket
+ 14. Back suspension bracket
+ 15. Brake system
+ 16. Electric equipment
- 17. Diesel engine
17.1. Removal and installation
+ 17.2. Dismantling and assembly
+ 17.3. Head of the block of cylinders
+ 17.4. Driving belts — poliklinovy and gear
- 17.5. Shatunno-piston group
17.5.1. Removal and dismantling
17.5.2. Check of pistons and rods
17.5.3. Measurement of a gap of bearings of a rod
17.5.4. Assembly of pistons and rods
17.5.5. Installation of pistons and rods
+ 17.6. Intermediate shaft
+ 17.8. Camshaft and camshaft epiploon
+ 17.9. Cranked shaft and radical bearings
+ 17.10. Block of cylinders
17.11. Compression check in engine cylinders
17.12. System of production of the fulfilled gases
+ 18. System of greasing of the diesel engine
+ 19. System of cooling of the diesel engine
+ 20. Power supply system of the diesel engine and turbokompressor
+ maintenance Card
+ Specifications and characteristics
Repair Sharan/Sharan Volkswagen>> Diesel engine>> Shatunno-piston group>> Check of pistons and rods
Carefully check all details. If on them there are teases, scratches or wear tracks, these details it is necessary to replace.
Measure a gap on height between piston rings and flutes by means of measuring щупа (fig. 427) . If a gap of a kompressionny ring more than 0,25 mm, or a gap of a maslosjemny ring more than 0,15 mm, are worn-out either rings, or the piston. Nominal sizes are specified in the table of admissions and control.
In turn insert all piston rings, since bottom concerning a case into a cylinder opening. Having overturned one of pistons a reverse side, press through rings approximately on 20 mm down. After that they will appear directly in a cylinder opening.
Insert into a gap between two ends of a ring measuring щуп to measure a gap in the lock of a piston ring. On fig. 428 it is shown, it is properly correct to make gap measurement. At kompressionny piston rings the gap should be equal 0,2 — 0,4 mm; at maslosjemny rings — 0,25 — 0,4 mm. The limit of wear of all rings makes 1,0 mm.
At an insignificant gap (for example, at new rings which also should be measured) the ends of rings can be ground off a file. For this purpose clamp a file in a vice and grind off about it the ends of rings. At too big thermal gap the corresponding ring should be replaced.
Check on wear and teases piston fingers and plugs of rods. Also if only one rod has damages, it is necessary to replace all detail assembled. Bolts of bearings of a rod always replace with the new. Check rods by means of the device for correction of rods on deformation and twisting. The received sizes should be minimum. If you have doubts concerning a condition of rods, address on HUNDRED to carry out there corresponding measurements. If will bend one rod, it is necessary to change all set.