Repair of MR20DE engine of cars Nissan X-Trail 2 (T31)
Car engine maintenance
Checking the drive belt 1. Generator; 2. Automatic drive belt tensioner; 3. Crankshaft pulley; 4. Air conditioning compressor (on models with air conditioning); Tension...
Checking the drive belt 1. Generator; 2. Automatic drive belt tensioner; 3. Crankshaft pulley; 4. Air conditioning compressor (on models with air conditioning); Tension...
Air cleaner filter element
Removal and installation Removal 1. Unfasten the clips (A) and remove the holder (2) from the air cleaner housing (1). 2. Remove the air cleaner filter element (1) from...
Removal and installation Removal 1. Unfasten the clips (A) and remove the holder (2) from the air cleaner housing (1). 2. Remove the air cleaner filter element (1) from...
Spark plugs
Removal and installation Removal 1. Remove the ignition coils. See below. 2. Remove the spark plugs using a wrench (suitable special tool). Key with magnet to hold spark...
Removal and installation Removal 1. Remove the ignition coils. See below. 2. Remove the spark plugs using a wrench (suitable special tool). Key with magnet to hold spark...
Valve clearances
Checking and adjusting Examination If the camshafts or valve related components have been removed or replaced, or if engine operation deviates from normal values over...
Checking and adjusting Examination If the camshafts or valve related components have been removed or replaced, or if engine operation deviates from normal values over...
Compression check
1. Warm up the engine well. Then turn it off. 2. Relieve the fuel pressure. See chapter " Engine management system ". 3. Remove the ignition coils and return the spark...
1. Warm up the engine well. Then turn it off. 2. Relieve the fuel pressure. See chapter " Engine management system ". 3. Remove the ignition coils and return the spark...
Automatic drive belt tensioner
1. Front cover; 2. Automatic drive belt tensioner. Removal and installation Removal 1. Remove the drive belt. See above. After removing the drive belt, secure the...
1. Front cover; 2. Automatic drive belt tensioner. Removal and installation Removal 1. Remove the drive belt. See above. After removing the drive belt, secure the...
Air purifier and air duct
Removal and installation Removal 1. Remove the air duct (inlet). 2. Remove the engine cover. See below. 3. Disconnect the connector from the air mass sensor. 4....
Removal and installation Removal 1. Remove the air duct (inlet). 2. Remove the engine cover. See below. 3. Disconnect the connector from the air mass sensor. 4....
Intake manifold
Intake manifold. 1. Clamp; 2. Electrical wiring bracket; 3. PCV hose; 4. Gasket; 5. Vacuum hose; 6. Intake manifold; 7. Bracket; 8. Engine cover; 9. EVAP hose; 10. EVAP...
Intake manifold. 1. Clamp; 2. Electrical wiring bracket; 3. PCV hose; 4. Gasket; 5. Vacuum hose; 6. Intake manifold; 7. Bracket; 8. Engine cover; 9. EVAP hose; 10. EVAP...
Exhaust manifold
Removal and installation Removal 1. Disconnect the front exhaust pipe. See chapter " Accelerator, fuel system and exhaust system ". 2. Remove the cover from the exhaust...
Removal and installation Removal 1. Disconnect the front exhaust pipe. See chapter " Accelerator, fuel system and exhaust system ". 2. Remove the cover from the exhaust...
Oil pan (lower)
Oil pan (lower). 1. Oil dipstick; 2. Oil dipstick guide; 3. Rear oil seal; 4. O-ring seal; 5. O-ring seal; 6. Oil pan (upper); 7. Balancing block drive chain; 8....
Oil pan (lower). 1. Oil dipstick; 2. Oil dipstick guide; 3. Rear oil seal; 4. O-ring seal; 5. O-ring seal; 6. Oil pan (upper); 7. Balancing block drive chain; 8....
Fuel injectors and fuel lines
Fuel injectors and fuel lines 1. Fuel hose; 2. Bracket; 3. Quick release nipple cap; 4. Fuel pipe; 5. O-ring (black); 6. Clamp; 7. Fuel injector; 8. O-ring (green); A....
Fuel injectors and fuel lines 1. Fuel hose; 2. Bracket; 3. Quick release nipple cap; 4. Fuel pipe; 5. O-ring (black); 6. Clamp; 7. Fuel injector; 8. O-ring (green); A....
Ignition coils, spark plugs and valve cover
Ignition coils, spark plugs and valve cover 1. PCV hose; 2. Valve cover; 3. Spark plug; 4. Ignition coil; 5. PCV hose; 6. PCV valve; 7. O-ring seal; 8. Gasket; A. To the...
Ignition coils, spark plugs and valve cover 1. PCV hose; 2. Valve cover; 3. Spark plug; 4. Ignition coil; 5. PCV hose; 6. PCV valve; 7. O-ring seal; 8. Gasket; A. To the...
Timing chain
1. Chain guide at the bend; 2. Timing chain tensioner; 3. Exhaust camshaft sprocket; 4. Timing chain; 5. Oil filler cap; 6. Front cover; 7. O-ring seal; 8. Solenoid...
1. Chain guide at the bend; 2. Timing chain tensioner; 3. Exhaust camshaft sprocket; 4. Timing chain; 5. Oil filler cap; 6. Front cover; 7. O-ring seal; 8. Solenoid...
Camshafts — removal and installation
Note: The direction of rotation indicated in the text refers to the rotation as viewed from the front of the engine. Removal 1. Remove the following components: intake...
Note: The direction of rotation indicated in the text refers to the rotation as viewed from the front of the engine. Removal 1. Remove the following components: intake...
Oil seals — removal and installation
Removal and installation Removal 1. Remove the camshafts. See above . 2. Remove the valve lifters. See above . 3. Turn the crankshaft until the piston of the cylinder on...
Removal and installation Removal 1. Remove the camshafts. See above . 2. Remove the valve lifters. See above . 3. Turn the crankshaft until the piston of the cylinder on...
Cylinder head
Removal 1. Cylinder head assembly; 2. Cylinder head bolt; 3. Cylinder head gasket. See below. Disassembly 1. Rusks; 2. Valve spring plate; 3. Valve spring (exhaust)...
Removal 1. Cylinder head assembly; 2. Cylinder head bolt; 3. Cylinder head gasket. See below. Disassembly 1. Rusks; 2. Valve spring plate; 3. Valve spring (exhaust)...
Technical data and specifications — Engine MR20DE
General information Engine MR20DE Cylinder arrangement 4 in a row Cylinder capacity, cm³ 1,997 Cylinder diameter and piston stroke, mm 84,0 x 90,1 Valve arrangement...
General information Engine MR20DE Cylinder arrangement 4 in a row Cylinder capacity, cm³ 1,997 Cylinder diameter and piston stroke, mm 84,0 x 90,1 Valve arrangement...
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Link in different formats to this section
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- General information
- Control devices
- Operating instructions
- Maintenance
- Powertrain MR20DE
- Engine repair
- Lubrication system
- Cooling system
- Control system
- Fuel and exhaust system
- Powertrain QR25DE
- Engine repair
- Lubrication system
- Cooling system
- Control system
- Transmission
- Clutch
- Mechanical gearbox
- Variator (CVT)
- Transfer case
- Chassis
- Front suspension
- Rear suspension
- Brake system
- Steering
- Body
- Exterior (external elements)
- Interior (internal elements)
- Doors, locks and windows
- Electrical equipment
- Lighting system
- Windshield wipers and washers
- Engine electrical equipment
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