5.2 Maintenance task reference table [QL1]
The maintenance tasks and intervals for this product are defined in the Maintenance Schedule. The
Maintenance Schedule is a stand-alone publication.
The task numbers in this table provide reference to the maintenance tasks specified in the Maintenance
Schedule.
Task Measures
W0500 Check engine oil level (→ Page 208)
W0501 Visually inspect engine for leaks and general condition (→ Page 139)
W0502 Check intercooler condensate drain (if fitted) (→ Page 139)
W0503 Check service indicator of air filter (→ Page 139)
W0505 Check relief bores of coolant pump(s) (→ Page 139)
W0506 Check engine for abnormal running noises, exhaust color
and vibrations
(→ Page 139)
W0507 Drain water and dirt from fuel prefilter (if fitted) (→ Page 139)
W0508 Check contamination indicator reading on fuel prefilter (if fit‐
ted)
(→ Page 139)
W1001 Replace fuel filter or fuel filter element (→ Page 195)
W1002 Check valve clearance (→ Page 175)
W1005 Replace air filter (→ Page 204)
W1006 Replace fuel injectors (→ Page 183)
W1007 Replace fuel injection pump(s) (→ Page 179)
W1008 Replace engine oil filter at each oil change or when the time
limit (years) is reached, at the latest
(→ Page 211)
W1009 Check layer thickness of oil residue, clean and replace filter
sleeve (if fitted) during every oil change at the latest
(→ Page 213)
W1011 Perform endoscopic inspection of combustion chambers (→ Page 168)
W1140 Clean wire meshes of crankcase breather (→ Page 174)
W1178 Replace pressure pipe neck in cylinder head (→ Page 184)
Table 2: Maintenance task reference table [QL1]
148 | Maintenance | MW15550/06E 2012-02
TIM-ID: 0000032917 - 002
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