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8.18b Disconnecting the idle speed control
valve wiring plug
19 Disconnect the wiring connectors from the
ignition distributor and the fuel temperature
sensor (see illustrations).
20 Release the pressure in the fuel distributor
pipe by depressing the pin in the vent valve.
Cover the valve with a rag during this
operation to prevent fuel being sprayed out
(see illustration).
21 Disconnect the fuel lines (see illustration).
22 Disconnect the vacuum hoses from the
following components:
a) Fuel pressure regulator.
b) Throttle valve assembly.
c) T-piece connector (see illustration).
23 Disconnect the rocker cover breather hose
(see illustration).
24 Unbolt the plenum chamber and place it to
one side with the throttle cable attached.
8.20 Fuel rail vent (depressurising) valve
and cap
8.22 Vacuum hose T-piece connector
8.19a Disconnecting the distributor wiring
plug
25 Disconnect the HT leads from the spark
plugs and the ignition coil noting their correct
fitted locations. Undo the two retaining screws
then remove the distributor cap and HT leads
as an assembly.
26 Using a 19 mm socket on the crankshaft
damper centre bolt, set No 1 piston to its firing
point (12° BTDC) and remove the distributor.
27 If the right-hand cylinder head is to be
removed, remove the drivebelts, unbolt the
alternator and power steering pump and tie
them to one side of the engine compartment.
28 Unbolt and remove the rocker cover(s).
29 Unbolt and remove the rocker shaft(s) (see
illustration).
30 Withdraw the pushrods and keep them in
their originally fitted sequence.
31 Disconnect the inlet manifold to timing
8.21 Fuel feed (A) and return (B) hoses
8.23 Rocker cover breather hose (arrowed)
V6 engines 2C•9
8.19b Disconnecting the fuel temperature
sensor wiring plug
cover coolant hose from the manifold.
32 Unbolt and remove the inlet manifold
complete with fuel rail and injectors. Discard
the gasket.
33 Disconnect the exhaust downpipe(s) from
the manifold(s).
34 Disconnect the earth straps from the rear
of the left-hand cylinder head and release the
cable retaining clamp.
35 Unscrew and remove the spark plugs.
36 Unscrew the cylinder head bolts using the
reverse of the tightening sequence (see
illustration 38.5). Obtain new bolts for refitting.
Remove the cylinder head(s) and discard the
gasket(s).
9 Sump - removal
Proceed as described in Part A, Section 16
of this Chapter but note that there are 24 bolts
retaining the sump, not 23.
10 Timing cover and drive -
removal
The procedure is described for the engine in
the vehicle. With the engine removed, the
preliminary steps can be ignored.
2.8 litre engine
1 Disconnect the battery negative lead.
2 Drain the engine oil.
3 Drain the coolant and remove the radiator.
8.29 Removing rocker shaft and pedestal
2C
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