Cylinder Head, Removing And Installing
Removing
-- Remove the camshafts. Refer to CAMSHAFT, REMOVING AND INSTALLING .
Risk of Destroying the Engine by Adjusting the Valve Timing.
- Do not turn the crankshaft after removing the camshafts.
-- Remove the Throttle Valve Control Module -GX3-. Refer to Throttle Valve Control Module -GX3-, REMOVING AND INSTALLING .
-- Remove the catalytic converter. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING .
-- Drain the coolant. Refer to COOLANT, DRAINING AND FILLING .
-- If installed, remove the nut -arrow- and move the bracket -1- with the wiring harness to the side.
Vehicles with Secondary Air System:
-- Remove the Secondary Air Injection Pump Motor -V101-. Refer to Secondary Air Injection Pump Motor -V101-, REMOVING AND INSTALLING .
Continuation for All Vehicles:
-- Place a cloth underneath to catch escaping engine oil.
-- Remove the bolt -4- and then remove the oil return connection.
-- Remove the bolt -3- from the turbocharger support.
-- Remove the bolt -1- on the support -2-.
-- Remove the heat shield -arrows-.
-- Remove the bolt -2- and the oil supply line.
-- Remove the nuts -arrows-, and remove the turbocharger from the stud bolts.
-- Remove the right coolant pipe bolts -arrows-.
Vehicles with Secondary Air System:
-- Remove the bolts -2 and 3-.
-- Loosen the hose clamp -1- remove the coolant hose and set aside.
- The secondary air injection pipe -4- remains in installation position.
-- Free up the wires at the heat shield -1-.
-- Remove the nuts and the bolt -arrows-, push the heat shield upward slightly. (Shown with the particulate filter removed).
-- Remove and disconnect the connector -3 and 2-, if equipped, from the bracket.
-- Disconnect the connectors -4 and 5-.
-- Remove the bolts -1- from the bracket.
-- Disconnect the connector -3-.
Vehicles with MPI System:
-- Disconnect the connectors -1 and 2-.
Vehicles without High-Voltage System:
-- Vehicle without high-voltage system: remove the bolt -arrow- for the coolant hose clamp.
-- Remove the bolt -arrow- for the retaining washer for the coolant hose.
Vehicles with High-Voltage System:
-- Remove the bolts -arrows- and push the rear coolant pipes to the side.
Continuation for All Vehicles:
All additional procedures are described under: CYLINDER HEAD, REMOVING AND INSTALLING .
Tightening Specifications
- Refer to OVERVIEW - CHARGE AIR HOSE CONNECTIONS .
- Refer to OVERVIEW - MUFFLER
- Refer to OVERVIEW - EMISSIONS CONTROL SYSTEM .
- Refer to OVERVIEW - SECONDARY AIR SYSTEM