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REPAIR MAINTENANCE OPERATION OF MOTOR VEHICLES
Volkswagen Sharan (from 1995 to 2000, the year of issue)

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Volkswagen Sharan
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Sharan
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VR6 engine
The two-liter engine (ADY)
Engine oil
Removing and installing sump
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Checking oil pressure
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Checking oil pressure



You need to know the following:

Greasing system 2.0-liter engine
Fig. 166. Lubrication System 2.0-liter engine: 1 - installation and replace it with a new one; 2 - oil filler cap; 3 - the dipstick to check the oil level; 4 - guide tube probe to check the oil level; 5 - the oil pressure switch to 25 kPa; 6 - oil pressure switch 180 kPa; 7 - return valve 5 Nm; 8 - the plug; 9 - nut 25 Nm; 10 - the base of the oil filter; 11 - O-shaped sealing ring is always substitution; 12 - oil cooler; 13 - the oil filter; 14 - a gear wheel of the oil pump; 15 - a cover of the oil pump with pressure relief valve; 16 - bolt 10 Nm; 17 - bolt 20 Nm; 18 - a bolt of fastening of the oil sump; 19 - O-ring, replace; 20 - the plug to drain the oil; 21 - oil pan; 22 - installation and replace it with a new one; 23 - oil receiver; 24 - the oil guide plate; 25 - installation and replace it with a new




The 2.0-liter engine has a pressure switch 5 (see. Fig. 166) Oil 25 kPa (blue insulation) and oil pressure switch 6 180 kPa (black insulation);
- VR6 engine has an oil pressure switch to 30 kPa (brown insulation) and oil pressure switch 140 kPa;
- Engine oil pressure can be measured using a pressure gauge with an adapter, which is screwed in place of the oil pressure switch;
- On the engines (2.0 L and VR6) one of the switches connected to the oil pressure warning lamp insufficient oil pressure. When the oil pressure drops below 25 psi (2.0 liter engine) or 30 kPa (engine VR6) oil pressure switch to 25 kPa and 30 kPa, respectively closed while warning lamp insufficient oil pressure.
When monitoring should be checked both switches.
Check oil pressure switch spend in the following order:
- Check and if necessary top up the engine oil level;
- Switch on the ignition. This should light up the oil pressure warning lamp;
- Start the engine. Oil pressure warning lamp should go out;
- Disconnect the electrical connector from the oil pressure switch to 25 kPa or 30 kPa (determined by the color of insulation), and close the end of the wire to the "masses." Must light up the oil pressure warning lamp;
- Put back the plug connector;
- Disconnect the electrical connector from the oil pressure switch 140 kPa or 180 kPa (determined by the color of insulation);
- Start the engine and let it run at a speed of 2,000 min-1. Must light up the oil pressure warning lamp and horn work.
Check the oil pressure switch to 25 kPa or 30 kPa spend in the following order:
- Remove the oil pressure switch to 25 kPa or 30 kPa (determined by the color of insulation);

Check oil pressure switch
Fig. 176. Checking the oil pressure switch: A - oil pressure switch to 25 kPa or 30 kPa; B - oil pressure switch 140 or 180 kPa; 1 - Brown wire goes to the "weight"





- Screw the gauge in 1342 (Fig. 176) in place of the oil pressure switch (on a 2.0-liter engine - in the cylinder head, the engine VR6 - at the base of the filter);
- Connect the brown cable 1 (see. Fig. 176) pressure gauge to "weight";
- Connect the measuring instrument (tester or screening diode lamp) between the oil pressure switch to 25 kPa or 30 kPa, and the positive terminal of the battery. The indicator lamp or light emitting diode should light up;
- Start the engine and gradually increase the speed. Once the gauge reads 15-35 kPa (2.0 liter engine) or, respectively, 15-45 kPa (engine VR6), the voltage must be equal to 0, and the control lamp should go out. Otherwise, replace the oil pressure switch to 25 kPa or 30 kPa.
Check oil pressure switch 140 kPa or 180 kPa spend in the following order:
- Disconnect the electrical connector from the oil pressure switch 140 kPa or 180 kPa (determined by the color of insulation);
- Turn the switch and replace the oil pressure gauge;
- Connect the measuring instrument (tester or screening diode lamp) between the oil pressure switch 140 or 180 kPa and the positive terminal of the battery. The indicator lamp or light emitting diode must be off;
- Start the engine and gradually increase the speed. Check out: 2.0-liter engine at a pressure of 160-200 kPa warning lamp lights up, and on the VR6 engine warning lamp should light up at a pressure of 120-140 kPa. If it does not, replace the oil pressure switch;
- Increase the speed to 2000 min-1 and check that the pressure gauge reads at least 200 kPa (for VR6 and 2.0-liter engine). The temperature of the oil should be 80 ?� C;
- If it is not, replace or repair the oil pump. Oil pressure should not be greater than 700 kPa.

Note
If the oil pressure greater than 700 kPa, which means that defective (open) the pressure reducing valve on the oil pump. In this case, remove the oil filter and replace the oil pump cover with pressure relief valve.




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