Discovery II
EMISSION CONTROL - V8
REPAIRS 17-2-61
Air Manifold - RH - Secondary Air
Injection (SAI)
$% 17.25.18
Remove
REPAIRS, Control Valve - Secondary Air
Injection (SAI).
2. Remove heater feed pipe.
REPAIRS, Pipe - Heater - Feed.
3. Disconnect 2 air manifold unions from adapters
in cylinder head.
CAUTION: Take care that air manifold pipes
are not damaged during removal of union
nuts.
4. Remove nut securing air manifold bracket to
inlet manifold.
5. Remove air manifold.
Refit
1. Clean air manifold and cylinder head adaptors.
2. Apply a small amount of engine oil to top of air
manifold union nuts and around air manifold
pipes.
3. Position air manifold and finger tighten both
union nuts.
CAUTION: Finger tighten union nuts as far
as possible, damage to air manifold pipes or
adapters may result if this is not done.
4. Tighten air manifold unions to 25 Nm (18 lbf.ft).
CAUTION: Ensure that air manifold pipes
are not distorted during tightening
operation.
5. Fit nut securing air manifold to inlet manifold
and tighten to 25 Nm (18 lbf.ft).
6. Fit heater feed pipe.
REPAIRS, Pipe - Heater - Feed.
7. Fit SAI control valve.
REPAIRS, Control Valve - Secondary Air
Injection (SAI).
M17 0223
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