General information about the M62 engine firm «BMW» (Germany) as a power plant on cars of the series «x5» with body «E53» four-stroke gasoline engines are used, consisting of a number of models, one...
Cylinder block — design description The design of the engine block «M62» shown in fig. 4.3 and fig. 4.4. Cylinder block (pic. 4.3) – with dry thin-walled cast iron sleeves, made of light alloy,...
Cylinder head — design description The design of the cylinder head is shown in fig. 4.5 and fig. 4.6. cylinder head (pic. 4.5) cast from aluminum alloy. It has two camshafts on plain bearings,...
Crank mechanism — design description Crankshaft and flywheel The design of the crankshaft is shown in fig. 4.7. The crankshaft of the engine is four bearing, cast from spheroidal graphite iron....
Gas distribution mechanism — design description The design of the timing mechanism drive is shown in fig. 4.10 and 4.11 Motor drive circuits are designed to transmit rotation: camshafts (21, 22, see fig....
Removal and installation of the engine Depending on the vehicle's production period and model, its equipment layout, wiring harnesses, pipes and hoses can be routed in the engine compartment with...
Replacing the cylinder head seal The design of the engine cylinder head covers is shown in fig. 4.36. Replacing the seals of both cylinder head covers, the engine must be carried out in the...
Replacing cylinder heads Replacing the left cylinder head The left cylinder head includes cylinders 5–8. Removal of the left cylinder head must be carried out in the following order....
Checking the plane of the cylinder head Checking the sealing plane of the cylinder head must be carried out in the following order. Remove and disassemble the cylinder head. Check flatness (warpage)...
Checking the cylinder head for leaks Checking the cylinder head of the M62 engine for leaks must be carried out in the following order. Prepare fixtures «11.1.477», «11.1.470», «11.1.471»,...
Replacing the upper part of the oil sump The design of the oil sump of the M62 engine and its sump is shown in fig. 4.54. Note. There is very little room to work on the removal of the engine oil pan,...
Replacing timing covers Replacing the left upper timing cover Removing the left upper timing cover (pic. 4.64) engine must be carried out in the following order. Remove left cylinder...
Replacing the crankshaft seals Replacing the front crankshaft oil seal must be carried out in the following order. Prepare fixtures «11.2.380», «11.2.383» And «11.1.220» and remove the...
Crankshaft replacement The crankshaft mount has its own characteristics in the form of tides in the covers (21, see fig. 4.3) main bearings and the presence of bushings (3)....
Replacing connecting rod bearing shells Checking the value of the radial clearance, which should be 0.020 - 0.055 mm, replacing the crankshaft connecting rod bearing shells should be carried out in...
Replacing the automatic transmission drive disc Attention! The role of the engine flywheel on a power unit with automatic transmission is played by a drive disk, a compensating clutch and an automatic...
Replacement of all pistons Piston replacement should be carried out in the same order as for engines «M54». In this case, it is necessary to prepare devices «00.9.120», «11.2.110»,...
Replacing piston rings Note. On rings that have been in use, the marking may not be visible. Place the removed rings in the sequence of cylinder numbering and position. Install new...
Replacing camshafts in cylinder heads Attention! It is strictly forbidden to replace camshafts without the use of special tools, due to a possible breakage of the camshaft. The sequence in which...
Replacing the shafts in the left block head Removal and installation of camshafts has its own characteristics and is described separately. To remove the shafts, prepare tools «11.2.300», «11.2.442»,...
Replacing the shafts in the right block head Replacing camshafts in the right cylinder head (cylinders 1–4) should be carried out similarly to the left head of the block, taking into account the numbering...
Timing Chain Replacement The design of the timing drive is shown in fig. 4.10 and 4.11. Attention! In the TDC position of the end of the compression stroke, the camshaft of the inlet...
Replacing the EMC of the VANOS system actuating unit Replacing the EMC of the left actuating unit of the VANOS system Removing the solenoid valve (EMC) the left control unit of the VANOS system must be carried...
Replacing the left engine mount bracket Replacement of an arm of the left support of the engine is necessary for carrying out in a following order. Remove the complete exhaust system, front axle...
Replacement of pillows of fastening of the engine Replacing the engine mount cushion must be carried out in the following order. Remove the front wheels, engine accessory guard and stiffening plate. Raise the...
Heater baffle replacement Replacement of a partition of a heater is necessary for carrying out in a following order. Remove sealing strips (1, fig. 4.149). Turn the knobs of the...