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);...
Air cleaner element Removal and installation Removal 1. Unfasten the clamps (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 tools). A key with a magnet to hold...
Valve clearances Check and adjustment Examination If camshafts or valve-related components are removed or replaced, or if abnormal engine operation occurs over time due to changes in...
Compression check 1. Warm up the engine well. Then turn it off. 2. Relieve fuel pressure. See chapter " Engine management system ". 3. Remove the ignition coils and you will have the...
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...
Air cleaner and 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....
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...
Camshafts — removal and installation Attention. The direction of rotation indicated in the text refers to 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 tappets. See above . 3. Rotate the crankshaft until the piston of the cylinder...
Cylinder head Removal 1. Cylinder head assembly; 2. Cylinder head bolt; 3. Cylinder head gasket. See below. Disassembly 1. Crackers; 2. Valve spring plate; 3. Valve spring (release)...
Technical Data and Specifications — MR20DE Engine General information Engine MR20DE Cylinder arrangement 4, in a row Cylinder volume, cm³ 1,997 Cylinder diameter and piston stroke, mm 84,0 x 90,1 Valve location Double...