PROCEDURE
REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
Detach the 2 front clips of the No. 1 engine cover sub-assembly.
While pulling the No. 1 engine cover sub-assembly towards the front, detach the 2 rear pins, and then remove the No. 1 engine cover sub-assembly.
REMOVE NO. 2 INTERCOOLER AIR HOSE
Slide the 2 clips and disconnect the oil return hose.
Loosen the 2 hose clamps and remove the No. 2 intercooler air hose.
REMOVE AIR TUBE ASSEMBLY
Detach the clamp and disconnect the No. 1 fuel hose from the air tube support bracket.
Remove the 3 bolts and air tube support bracket.
Disconnect the connector from the intake air temperature sensor.
Loosen the hose clamp and remove the air tube assembly from the diesel throttle body assembly.
REMOVE DIESEL THROTTLE BODY ASSEMBLY
for Cold Area Specification Vehicles:
Slide the 2 clips and disconnect the No. 11 water by-pass hose and No. 14 water by-pass hose from the diesel throttle body assembly.
Disconnect the connector and clamp.
Remove the 2 bolts, 2 nuts, diesel throttle body and gasket.
Disconnect the connector to remove the emission control valve wire from the diesel throttle body assembly.