Catalytic converter, front, A20NFT/LHU
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Catalytic converter, front, A20NFT/LHU
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1.
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Slacken the turbo pipe (A) and move to one side.
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2.
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Remove the heat shield (B).
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3.
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Remove the connectors (H) to the oxygen sensors (D).
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4.
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Remove the oxygen sensors (D).
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Important
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When removing the nuts of the catalytic converter, it is important to hold the removal tool vertically against the flange. The stud and nut can easily be broken off if they are subjected to a skew loading. Use 82 92 484 Removal tool, door hinge.
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5.
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Remove the nuts (C) between the turbo and the catalytic converter.
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7.
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Remove the exhaust pipe (E) from the catalytic converter (G).
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8.
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Remove the lower bracket (F) of the catalytic converter (G).
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9.
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Remove the catalytic converter (G) from the car.
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3.
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Move up the catalytic converter (G) and pass it in towards the turbo connection (C).
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4.
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Insert the bolts for the lower bracket (F) of the catalytic converter (G) without tightening them, they should just guide the position of the catalytic converter (G).
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6.
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Fit the nuts between the turbo and the catalytic converter (C).
Tightening torque 50 Nm (37 lbf ft)
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8.
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Fit the lower bracket (F) of the catalytic converter (G).
Tightening torque 58 Nm (43 lbf ft)
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9.
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Fit the exhaust pipe (E) to the catalytic converter (G).
Tightening torque 35 Nm (26 lbf ft)
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11.
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Lightly lubricate the threads on the oxygen sensors with
90 513 210 Universal paste
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Important
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Make sure that the oxygen sensor cables are not twined or damaged.
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12.
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Fit both sensors (D).
Tightening torque 42 Nm (31 lbf ft)
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Important
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Make sure the cables are not exerted to chafing.
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13.
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Fit the connectors (H) to the sensors (D).
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14.
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Fit the heat shield (B).
Tightening torque 10 Nm (7 lbf ft)
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15.
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Fit the turbo pipe (A).
Tightening torque 22 Nm (16 lbf ft)
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