Mercedes OM314 Manuals, Engine Specifications & Bolt Torques

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OM314 Mercedes
Main Bearing Bolts

M14 bolts
from engine No 000283 140 Nm

M15 bolts
Step 1 = 50 Nm
Step 2 + 90-110 degrees

OM314 Mercedes
Connecting Rod Bolts

M12 Serrated con rod bolts
Step 1 = 50 Nm
Step 2 + 90-100 degrees

M14 and M15 bolts
Step 1 = 100 Nm
Step 2 + 90-110 degrees

OM314 Mercedes
Cylinder Head Bolts

Step1 = 60 Nm
Step2 = 90 Nm
Step3 = 120 Nm

OM314 Mercedes
Designations German - English

A = Turbocharger = T
L = Intercooler = I
OM = Diesel engine = ADE

example:
OM366 = ADE366N
OM366A = ADE366T
OM366LA = ADE366TI

OM314 Mercedes
Arrangement

Arrangement
In line 4 engine,
4-stroke cycle
Naturally aspirated

OM314 Mercedes
Displacement,
Bore and Stroke

Displacement
3.78 liter, 231 CID

Bore
97.0 mm, 3.819 in

Stroke
128.0 mm, 5.04 in

OM314 Mercedes
Power, Torque,
Compression Ratio

Power
62 kW, 83 hp @ 2800 rpm

Torque (OM314N)
250 Nm, 184 lb.ft @ 1500 rpm

Compression Ratio
17.0:1 Naturally Aspirated
16.0:1 Turbocharged

OM314 Mercedes
Dimensions and Weight

approx
Dimensions(OM314N)
length 820 mm, 32 in
width 580 mm, 23 in
height 840 mm, 33 in

Weight
approx
738 lb, 335 kg