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OM661 OM662 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 OM661 and OM662 engines - amp

 
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OM661 and OM662 Essential Diesel Engine Bolt Tightening Torques

 
OM661, OM662 Mercedes
Main Bearing Bolts 

Step 1 = 55 Nm
Step 2 = +90 degrees

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engine manuals and specs
 
OM661, OM662 Mercedes
Connecting Rod Bolts

Step 1 = 35 Nm
Step 2 = +90 degrees

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engine manuals and specs
 
OM661, OM662 Mercedes
Cylinder Head Bolts

12 sided socket head bolts

Stage 1 = 10 Nm
Stage 2 = 35 Nm
Stage 3 = + 180 degrees

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engine manuals and specs
 

Mercedes OM661 and OM662 Diesel Engine workshop repair Manuals

 
Mercedes OM661 and OM662 workshop repair and specifications manual, 292 pages - click to download

OM661 and OM662 Diesel Engine Specs

 
OM661, OM662 Mercedes
Arrangement

OM661
in line 4 engine, 
4-stroke cycle
turbo intercooled

OM662
in line 5 engine, 
4-stroke cycle
turbo intercooled

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engine manuals and specs
 
OM661, OM662 Mercedes
Displacement, bore, stroke

Displacement
OM661
2.3 liter

OM662
2.9 liter

Bore
89.0 mm

Stroke
92.4 mm

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engine manuals and specs
 
OM661, OM662 Mercedes
Power and compression ratio

Power
OM661
74 kW @ 4000

OM662
88 kW @ 4000

Compression ratio
22:1

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