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Throttle Body, Remove and Install (X 12 XE)
Note: When removing
and installing or replacing the throttle valve potentiometer and/or
the throttle valve adjuster, it is essential that the adaptation
values for the throttle valve in the EE PROM of the engine control
unit are deleted using TECH 2 – see corresponding Checking
Procedures.
 Remove
Remove air cleaner housing with hot film mass air flow meter and
air intake cover – see illustration "Air Ducts X 12 XE".
Remove
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Detach coolant hoses (1) from throttle body.
Detach accelerator Bowden cable (4) from curved disc and
bracket.
Detach engine vent hose from throttle body.
Remove vacuum hose for tank vent valve (3) from throttle
body.
Disconnect wiring harness plug (5) from throttle valve adjuster
and throttle valve potentiometer (2).
Detach throttle body (6) from intake manifold.
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Transfer necessary attaching parts when replacing throttle
body.
Install
Attach throttle body with new gasket to intake manifold –
tightening torque 8 Nm / 6 lbf. ft.
Connect wiring harness plug to throttle valve adjuster and
throttle valve potentiometer.
Attach vacuum hose for tank vent valve to throttle body.
Attach accelerator Bowden cable to curved disc and bracket.
Attach engine vent hose to throttle body.
Attach coolant hoses to throttle body.
Install air cleaner housing with hot film mass air flow meter
and air intake cover – see illustration "Air Ducts X 12
XE".
Inspect
Charge coolant – see operation "Cooling System, Charge and
Bleed" and "Coolant Level, Check and Correct".
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