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OM314 engine specifications and manuals - amp

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essential bolt tightening torques, 

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e.g. its power and torque. 

Essential bolt tightening torques are
 main bearing cap bolt torque, 
 connecting rod cap bolt torque 
 and the cylinder head bolt torques.
 


 
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Workshop manuals, specs and bolt torques for OM314 engines - amp

 
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OM314 Essential Diesel Engine Bolt Tightening Torques

 
OM314 Mercedes
Main Bearing Bolts

M14 bolts:
 from engine No 000283 140 Nm
M15 bolts:
 Step 1 = 50 Nm 
 Step 2 + 90-110 degrees

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engine manuals and specs 
 
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

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engine manuals and specs  
 
OM314 Mercedes
Cylinder Head Bolts

Step1 = 50 Nm
Step2 = 80 Nm
Step3 = 120 Nm

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OM314 Mercedes
Designations
German - English
A = Turbocharger = T
L = Intercooler = I
OM = Diesel engine = ADE

example:
OM366 = ADE366N
OM366A = ADE366T
OM366LA = ADE366TI

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OM314 Diesel Engine workshop repair Manuals

 
Mercedes 314, 352 362 engines 
workshop manual 
206 pages, Click to download
Mercedes OM314 
parts illustrations manual 
48 pages, Click to download
Mercedes OM314 
Dutch workshop manual 
115 pages, Click to download

OM314 Diesel Engine Specs

 
OM314 Mercedes
Arrangement

OM314
in line 4 engine, 
4-stroke cycle
naturally aspirated

OM352
in line 6 engine, 
4-stroke cycle
naturally aspirated

OM352T
in line 6 engine, 
4-stroke cycle
Turbocharged

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OM314 Mercedes
Displacement, bore, stroke,
compression ratio and weight

Displacement

OM314
3.78 liter, 231 CID

OM352
5.675 liter, 346 CID

Bore
97.0 mm,  3.819 in

Stroke
128.0 mm, 5.04 in

Compression ratio
17.0:1 Nturally Aspirated
16.0:1 Turbocharged

Weight
approx
OM314 - 738 lb, 335 kg
OM352 - 980 lb, 445 kg
OM352T - 1013 lb, 460 kg

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OM314 Mercedes
Power and torque

Power

OM314
62 kW, 83 hp @ 2800 rpm

OM352
94 kW, 126 hp @ 2800 rpm

OM352T
124 kW, 166 hp @ 2800 rpm

Torque

OM314N
250 Nm, 184 lb.ft @ 1500 rpm

OM352
375 Nm, 277 lb.ft @1500 rpm

OM352T
520 Nm, 384 lb.ft @1600 rpm

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OM314 Mercedes
Dimensions approx

OM314N
length 820 mm, 32 in
width 580 mm, 23 in
height 840 mm, 33 in

OM352
length = 1075 mm, 42 in
width = 630 mm, 25 in
height = 875 mm, 34 in

OM352T
length = 1075 mm, 42 in
width = 680 mm, 27 in
height = 875 mm, 34 in

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