300Tdi Discovery
30
MANIFOLD AND EXHAUST SYSTEM
8
REPAIR
6. Disconnect oxygen sensor multiplug.
7. Release multiplug from bracket on thermostat
housing.
8. Release harness from cable tie.
9. Remove drive belt.
10. Remove 2 front bolts securing generator to
mounting bracket.
11. Remove 2 rear bolts securing generator to
mounting bracket.
12. Move generator from mounting bracket and
place aside.
13. Remove exhaust manifold heat shield.
14. Remove dipstick and bolt securing dipstick tube
to coolant rail.
15. Remove dipstick tube from cylinder block.
16. Remove 3 bolts and 2 nuts securing exhaust
manifold to cylinder head.
17. Release coolant rail bracket from manifold studs.
18. Remove exhaust manifold and discard gasket.
Refit
NOTE: For torque values.
See
Specifications, torque, Torque Values
19. Clean mating faces of exhaust manifold and
cylinder head.
20. Fit new manifold gasket and align exhaust
manifold to cylinder head.
21. Position coolant rail bracket to manifold studs.
22. Fit manifold nuts and bolts, tighten to the correct
torque in the order shown.
23. Secure oxygen sensor multiplug to bracket.
24. Connect oxygen sensor multiplug.
25. Fit new manifold flange gasket and align exhaust
front pipe to manifold.
26. Fit nuts and tighten diagonally to the correct
torque.
27. Tighten exhaust downpipe to silencer box nuts
to the correct torque.
28. Position generator to mounting bracket.
29. Fit and tighten 4 generator securing bolts.
30. Refit drive belt.
