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Mercedes OM661 and OM662 specs, bolt torques, workshop repair manual

OM661 and OM662 Essential Diesel Engine Bolt Tightening Torques

Main Bearing Bolts 
Step 1 = 55 Nm
Step 2 = +90°

Connecting Rod Bolts
Step 1 = 35 Nm
Step 2 = +90°

Cylinder head 
12 sided socket head Bolts
Stage 1 = 10 Nm
Stage 2 = 35 Nm
Stage 3 = + 180°


Mercedes OM661 and OM662 Diesel Engine Specs

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

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

Displacement
OM661
2.3 liter

OM662
2.9 liter

Bore
89.0 mm

Stroke
92.4 mm

Power 
 OM661
74 kW @ 4000

 OM662
88 kW @ 4000

Compression ratio:
22:1


Mercedes OM661 and OM662 Diesel Engine workshop repair Manuals



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Phone: +27 72 754 4660
email: steve@barringtondieselclub.co.za
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