mercedesbenz Workshop Repair Guides

Mercedes Benz Workshop Service and Repair Manuals

Excessive Power Loss (Above 10 kW) at Full Load|Page 1810 > < Valve Spring Compressor - Modifications
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Valve Spring: Technical Service Bulletins
Excessive Power Loss (Above 10 kW) at Full Load

07.1-88071

Excessive Power Loss (above 10 kW) at Full

Engine 601, 602, 603

Revised 10/88

7/88 

Load

Note:

Engine does not shake at idle speed, no noises are noticeable, compression and cylinder leakage tests are within specification, fuel filter is
not-plugged.

Cause:
Intake or exhaust valve spring is broken.

Remedy:
Replace valve spring.

Excessive Power Loss (Above 10 kW) at Full Load|Page 1810 > < Valve Spring Compressor - Modifications