D4F
D4F, and 740 or 742 or 764
Air inlet
Air inlet trunking
Air filter unit
Motorised throttle valve
Inlet manifold
D4F, and 784
air inlet
Air filter box air inlet pipe
Air filter unit
A
K4M - F4R
REMOVAL
I - REMOVAL PREPARATION OPERATION
Position the vehicle on a two-post lift (see Vehicle:
Towing and lifting) (02A, Lifting equipment).
Remove:
the battery (see Battery: Removal
D4F, and 740 or 742 or 764
REMOVAL
I - REMOVAL PREPARATION OPERATION
Remove the air filter unit (see 12A, Fuel mixture,
Air filter unit: Removal - Refitting, 12A-17).
II - OPERATION FOR REMOVAL OF
REMOVAL
I - REMOVAL PREPARATION OPERATION
Disconnect the battery (see Battery: Removal - Refitting)
(MR 392, 80A, Battery).
K9K, and 750
Undo the clip (1) from the intercooler outlet pipe.
Move the intercooler outlet air pipe to one side (2).
Remove the turbocharger outlet air pipe reta
I - SPECIAL NOTES
Its role is to modify the valve timing.
To improve cylinder filling at all engine speeds, the engine is fitted with an
inlet camshaft dephaser (1).
Dephasing at the moment when the inlet valves close
optimises filling according to engine speed. Torque at
midrange engine speed an