Engine cooling and lubrication system M102 Mercedes E-Class (W123)

Design of the lubrication system
Engine lubrication system M 102 1 - oil pan; 2 - oil dipstick; 3 - crankshaft; 4 - oil pump drive coupling; 5 - internal gear of the oil pump; 6 - external gear of the...

Removal and installation the oil pump
Sectional view of the oil pump of the M102 engine Removal The oil pump can be removed from the vehicle by first removing the timing cover. Intermediate shaft lubrication...

Checking oil pressure
1. Disconnect the connector from the oil pressure sensor. 2. Unscrew the pressure sensor. Install a pressure gauge to check the oil pressure. 3. Start and warm up the...

Cooling system design
Engine cooling system M 102 A - fan with thermostatic clutch; B - fan with electromagnetic clutch; B - fan drive with a multi-groove belt; G - V-belt fan drive; 1 -...

Draining the coolant
The coolant drains through the radiator holes and the hollow conical fitting of the cylinder block, onto which the drain pipe is placed. When installing the thermostat...

Filling and bleeding the cooling system
1. Check the tightness of the drain plugs and set the air intake control switch to the maximum warm air supply position. 2. Slowly fill the coolant to the "Max" mark on...

Removal and installation the water pump
Removal 1. Disconnect the ground wire from the battery. 2. Drain the coolant. 3. Remove the clamps and disconnect the hoses from the radiator. 4. Remove the thermostat...

Removal, installation and tension adjustment of the generator drive V-belt
On vehicles with the M 102 engine, the water pump and generator are driven by a V-belt. 1. Disconnect the ground wire from the battery. 2. Loosen the nuts of the...

Removal and installation a multi-groove accessory drive belt
Kinematic diagram of the auxiliary drive belt on the M 102.982 engine A - auxiliary drive belt (length 2170 mm) on cars without air conditioning; B - auxiliary drive...

Setting and adjusting the belt tension
Installing a multi-groove auxiliary drive belt A - on vehicles without power steering; B - on vehicles with power steering; B - on vehicles with power steering and air...

This section is available on: russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

More similar sections for repairing other models

☛ Power unit: Cooling and heating car Mercedes W168 (1997-2004)
☛ Power unit: Cooling system car Mercedes W202 (1993-2000)
☛ Power unit: Cooling system car Mercedes W463 (1999-2019)
☛ Power unit: Cooling system car Mercedes W163 (1997-2005)
☛ Power unit: Cooling system car Mercedes W126 (1979-1991, petrol)
☛ Diesel engines 2.3 l: Cooling system car Mercedes Vito 1 (1996-2003)

Share with friends:

Link in different formats to this section

TEXTHTMLBB Code

W210 (1996-2002)

W124 (1984-1995)