5 Maintenance
5.1 Maintenance schedule reference table [QL1]
The maintenance tasks and intervals for this product are defined in the Maintenance Schedule. The
Maintenance Schedule is a separate publication.
The task numbers in this table provide reference to the maintenance tasks specified in the Maintenance
Schedule.
Task Maintenance activity
W0500 Check engine oil level (→ Page 187)
W0501 Visually inspect engine for leaks and general condition (→ Page 112)
W0502 Check intercooler condensate drain (if applicable) (→ Page 112)
W0503 Check service indicator of air filter (→ Page 112)
W0505 Check relief bores on coolant pump(s) (→ Page 112)
W0506 Check for abnormal running noise, exhaust gas color and vibra-
tions
(→ Page 112)
W0507 Drain water and impurities from fuel prefilter (if applicable) (→ Page 112)
W0508 Check vacuum gage reading on fuel prefilter (if applicable) (→ Page 112)
W1001 Replace fuel filter or fuel filter element (→ Page 173)
W1002 Check valve clearance (→ Page 155)
W1003 Check condition and tension of drive belt, replace belt if re-
quired
(→ Page 208)
W1005 Replace air filter (→ Page 182)
W1006 Replace fuel injectors (→ Page 163)
W1007 Replace fuel injection pump(s) (→ Page 159)
W1008 Replace engine oil filter when changing engine oil, or when the
interval (years) is reached, at the latest
(→ Page 190)
W1009 Check layer thickness of oil residue, clean and replace filter
sleeve (if applicable) when changing engine oil, at the latest
(→ Page 192)
W1011 Perform endoscopic inspection of combustion chambers (→ Page 148)
W1140 Clean wire meshes of crankcase breather (→ Page 154)
W1178 Replace pressure pipe neck in cylinder head (→ Page 164)
Table 2: Maintenance schedule reference table [QL1]
120 | Maintenance | MW15406/17E 2014-05
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