Service Manual

ISB, ISBe and QSB (Common Rail [...] Lubricating Oil Pump
Section 7 - Lubricating Oil System - Group 07 Page 7-33
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If debris has been expected to have gone through the
lubricating oil pump, the rear cover plate can be removed
to inspect for internal damage.
NOTE: The lubricating oil pump is serviced/replaced as
an assembly. No internal parts are available for rebuild/
replacement.
Inspect the rear cover plate for scoring or grooves. If the
cover is scored or grooved too badly, the lubricating oil
pump must be replaced.
Inspect the lubricating oil pump housing and gerotor drive
for damage and excessive wear.
If the lubricating oil pump is damaged, the lubricating oil
pump must be replaced.
Measure
Measure the tip clearance.
Tip Limit
mm in
0.178 MAX 0.007