300Tdi Discovery
19
FUEL SYSTEM
14
REPAIR
RAM HOUSING
Service repair no - 19.70.04
Remove
1. Disconnect battery negative lead.
2. Remove plenum chamber.
See Plenum
Chamber
3. Release hoses from ram housing.
4. Remove six through bolts (with plain washers)
securing ram housing to intake manifold.
5. Remove ram housing from intake manifold.
6. Place a protective cover over inlet bores to
prevent ingress of dirt.
Refit
7. Clean all mating faces.
8. Apply ’Hylomar’ sealant to intake manifold face.
9. Fit ram housing. Tighten bolts, working from two
centre bolts, diagonally towards outer four bolts.
10. Tighten to
26 Nm.
INTAKE MANIFOLD
Service repair no - 30.15.08
Remove
1. Depressurise fuel system.
See Depressurising
Fuel System
2. Disconnect battery negative lead.
3. Drain cooling system.
See COOLING SYSTEM,
Repair, Radiator
4. Remove plenum chamber.
See Plenum
chamber
5. Remove ram housing.
See Ram Housing
CAUTION: Place a protective cover over
intake manifold openings to prevent the
ingress of dirt.
6. Disconnect the fuel temperature sensor and
injector multiplugs.
7. Remove fuel pressure regulator.
See Fuel
Pressure Regulator
8. Disconnect multiplug from coolant temperature
sensor.
9. Disconnect instrument pack temperature
thermistor.
10. Disconnect coolant sensor multiplug.
