TD5 Defender
12
ENGINE
6
OVERHAUL
14. Clean fixed guide Allen screw and apply Loctite
242 to screw threads.
15. Fit fixed timing chain guide Allen screw and
tighten to 25 Nm (18 lbf.ft) .
16. Clean timing chain tensioner and fit new sealing
washer.
17. Fit timing chain tensioner and tighten to 45 Nm
(33 lbf.ft) .
18. Tighten camshaft sprocket bolts to 36 Nm (27
lbf.ft) .
19. Remove tool LRT-12-058 from camshaft.
20. Lubricate a new ’O’ ring with engine oil and fit to
camshaft sprocket access plug.
21. Fit camshaft sprocket access plug.
22. Clean alternator/vacuum pump oil feed hose
union.
23. Lubricate a new ’O’ ring with engine oil and fit to
alternator/vacuum pump hose union.
24. Fit and tighten alternator/vacuum pump oil hose
union to 10 Nm (7 lbf.ft) .
25. Fit bolt securing alternator strap bracket to
cylinder head and tighten to 25 Nm (18 lbf.ft) .
26. Connect multiplugs to ECT sensor and EUIs.
CAUTION: Following cylinder head
overhaul, it will be necessary, before
fitting the camshaft cover, to adjust the
fuel injector rockers using the following
procedures:
27. Rotate engine clockwise until No. 1 EUI lobe is
at full lift.
28. Tighten No.1 rocker adjusting screw until the EUI
plunger is felt to ’bottom out’.
29. Loosen rocker adjusting screw 1 complete turn
to give EUI plunger the required bump clearance
and tighten rocker adjusting screw locknut to 16
Nm (12 lbf.ft) .
CAUTION: Ensure screw does not turn as
locknut is tightened.
30. Carry out above procedures for the remaining 4
rocker arms.
31. After completion of rocker adjustment, slowly
rotate engine clockwise 2 complete turns by
hand to ensure that no EUI’s are bottoming out
on their plungers.
32. Clean camshaft cover and mating face.
33. Fit new sealing washers and isolators as
necessary to camshaft cover.
34. Fit new camshaft cover gasket to cover.
CAUTION: Gasket must be fitted dry.
35. Fit camshaft cover to camshaft carrier, fit bolts
and working from the centre outwards, tighten
bolts to 10 Nm (7 lbf.ft) .
36. Fit inlet manifold gasket. See MANIFOLD AND
EXHAUST SYSTEM, Repair.
37. Fit exhaust manifold gasket. See MANIFOLD
AND EXHAUST SYSTEM, Repair.
38. EGR cooler fitted:- Position EGR pipe to cooler,
fit new Allen screws and tighten to 10 Nm (7
lbf.ft).