Removal and installation of a forward cover of the drive of the mechanism of gas distribution. Nissan Almera (from 1995 to 1999 release)
Service of Nissan Almera from 1995 to 2000 in N15 body
1. General information
2. General requirements to car repairs
3. Operation and maintenance of the car
4. Petrol engines
4.1. Removal and installation of the power unit
4.2. Dismantling and assembly of the engine
4.3. Block of cylinders
4.4. Conrod and piston group
4.5. Bent shaft and flywheel
4.6. Gas distribution mechanism
4.7. Head of the block of cylinders of GA14DE and GA16DE engines
4.8. Head of the block of cylinders of the SR20DE engine
4.8.1. Removal and installation of a cover of a head of the block of cylinders
4.8.2. Removal and installation of a forward cover of the drive of the mechanism of gas distribution
4.8.3. Removal and installation of a chain of the drive of camshafts
4.8.4. Removal of a head of the block of cylinders
4.8.5. Check of technical condition and installation of a head of the block of cylinders
4.8.6. Removal, check of technical condition and installation of camshafts
4.9. Cooling system
4.10. Lubrication system
4.11. System of production of the fulfilled gases
4.12. Power supply system
4.13. Complex Control System of the Engine (CCSE)
5. Diesel engines
6. Transmission
7. Running gear
8. Steering
9. Brake system
10. Electric equipment
11. Body
12. Appendices
13. Schemes of electric equipment
 









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4.8.2. Removal and installation of a forward cover of the drive of the mechanism of gas distribution

Removal

Fig. 2.42. Removal of an arm of a suspension bracket of the power unit on the right side


Remove a pulley of a bent shaft. Remove an oil case, an oil receiver and the filter of the oil pump. Remove the pump of the hydraulic booster of steering. Remove a pulley of the drive of the pump of cooling liquid. Remove the generator. Establish a jack with a wooden lining for support of the engine or by means of roofing felts suspend the engine for brackets. Turn out a coupling bolt of a suspension bracket of the power unit on the right side. Then turn out bolts and take out a suspension bracket arm assembled from a motor compartment. Remove rubber pillows of a support from a suspension bracket arm. Turn out bolts of fastening and remove the right arm of a suspension bracket of the power unit (fig. 2.42) from the engine. Turn out and remove bolts of fastening of a cover of the drive of the mechanism of gas distribution. Remember or write down more correctly the provision of each bolt, especially if bolts of different length. Remove a forward cover of the drive from a sock of a bent shaft and take out it from a motor compartment. Take a sealing ring from the channel of lubricant and replace it new.
Remove the plug of the drive of the oil pump from a sock of a bent shaft. If it is possible, take out a spline from a groove of a bent shaft and keep it together with the plug of the drive of the oil pump.

Installation
At installation replace a cuff of a bent shaft. For this purpose take out an old cuff from a cover by means of the screw-driver with a flat sting. Establish a new cuff, having pressed it against the stop in a zaplechik by means of a tubular mandrel.

Fig. 2.43. Putting sealant on a surface of a cover of a chain of the drive of camshafts


Make sure that the surfaces of interface of a cover of the drive of the mechanism of gas distribution and a case pure and dry. Establish a spline in a shponochny groove of a bent shaft. Combine a shponochny groove of the plug of the drive of the oil pump and a spline and put on the plug a sock of a bent shaft. Make sure that adjusting pins of a case are in the place, and establish a new sealing ring in a groove of the channel of lubricant. Apply a thin film of sealant on the interfaced surfaces of a cover of the drive of the mechanism of gas distribution and a case.

       NOTE
You do not apply sealant on a cover surface near the oil highway and a shponochny groove (the shooter in fig. 2.43).

If the head of the block of cylinders was not removed, then it is necessary to apply a sealant layer on the top surface of a cover of the drive of the mechanism of gas distribution. Combine the leading gear wheel of the oil pump and the plug of the drive and establish into place a gas distribution mechanism drive cover. Putting on a cover a sock of a bent shaft, you watch to damaging a cuff edge.
Establish into place bolts of fastening of a cover of the drive and tighten them the set moment. Establish three bolts with a diameter of 6 mm of fastening of a head of the block of cylinders to a cover of the drive of the mechanism of gas distribution and tighten them the set moment. Execute further assembly operations as it should be, the return to removal.


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4.8.3. Removal and installation of a chain of the drive of camshafts