1999 LAND ROVER DEFENDER ECU

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Page 182 of 667

LAND ROVER DEFENDER 1999  Workshop Manual ENGINE
23
OVERHAUL PUMP - OIL
Service repair no - 12.60.26.02
Remove
1.Remove sump gasket.See this Section.
2.Remove bolt securing oil pump drive sprocket.
3.Release drive sprocket from chain, remove

Page 183 of 667

LAND ROVER DEFENDER 1999  Workshop Manual 12ENGINE
24
OVERHAUL Inspection
CAUTION: Inspection/overhaul procedures
for the oil pump are limited to carrying out
dimensional checks. In the event of wear
or damage being found, a replacement pump

Page 185 of 667

LAND ROVER DEFENDER 1999  Workshop Manual 12ENGINE
26
OVERHAUL Refit
1.Clean mating faces of oil pump, stiffener plate
assembly and cylinder block; ensure bolt and
dowel holes are clean and dry.
2.Lubricate a new’O’ring with engine oil an

Page 186 of 667

LAND ROVER DEFENDER 1999  Workshop Manual ENGINE
27
OVERHAUL
7.Noting their fitted positions, remove 8 bolts
securing timing chain cover.
8.Remove timing chain cover.
NOTE: Dowel located.
9.Remove bolt securing oil pump drive sprocket.
10.Rem

Page 187 of 667

LAND ROVER DEFENDER 1999  Workshop Manual 12ENGINE
28
OVERHAUL Inspection
1.Clean all components.
2.Check condition of timing chain running surfaces
on adjustable and fixed guides.
CAUTION: Adjustable guide fitted to
Engine Serial No. Prefixe

Page 189 of 667

LAND ROVER DEFENDER 1999  Workshop Manual 12ENGINE
30
OVERHAUL
22.Fit oil seal guide, from seal kit, over end of
crankshaft.
23.Fit new oil seal into timing cover using
LRT-12-156.
CAUTION: Oil seal must be fitted dry.
24.RemoveLRT-12-156and

Page 191 of 667

LAND ROVER DEFENDER 1999  Workshop Manual 12ENGINE
32
OVERHAUL
8.Carefully move connecting rod to one side of
journal and using feeler gauges, measure
end-float of connecting rod on journal:
Connecting rod end-float =0.2 to 0.5 mm
(0.008 to 0

Page 194 of 667

LAND ROVER DEFENDER 1999  Workshop Manual ENGINE
35
OVERHAUL Piston ring gaps - Checking
1.Insert new compression and oil control piston
rings in turn into No. 1 cylinder bore 30 mm (1.25
in) from top of bore and check ring fitted gaps;
ensur