Front exhaust manifold, B284
Front exhaust manifold, B284 |
To remove |
1. |
Remove
Fan cowling, B284
|
2. |
Detach the intake manifold of the secondary air injection pump from the pump.
|
3. |
Detach the discharge pipe of the secondary air injection pump from the pump.
|
4. |
Unplug the intake air sensor connector (688).
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5. |
Remove the turbocharger delivery pipe.
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6. |
Remove the dipstick tube.
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7. |
Remove the heat shield of the front exhaust manifold.
|
8. |
Detach the intermediate exhaust pipe from the turbocharger and the front exhaust manifold.
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9. |
Remove the bolts holding the secondary air pipe in place and raise it slightly.
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10. |
Remove the exhaust manifold.
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To fit |
1. |
Clean the contact surfaces from gasket residue and soot.
|
2. |
Fit the exhaust manifold using new bolts and a new gasket.
Tightening torque 20 Nm (15 lbf ft). |
3. |
Fit the secondary air pipe using a new gasket.
Tightening torque 23 Nm (17 lbf ft) |
4. |
Attach the intermediate exhaust pipe to the front exhaust manifold and the turbocharger. Use a new gasket and coat the studs with
90 513 210 Universal paste
. Fit all nuts.
|
6. |
Fit the heat shield of the front exhaust manifold.
Tightening torque 10 Nm (7 lbf ft) |
7. |
Fit the dipstick pipe with new O-rings.
|
8. |
Fit the turbocharger delivery pipe.
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9. |
Plug in the intake air sensor connector (688).
|
10. |
Attach the discharge pipe of the secondary air injection pump to the pump.
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11. |
Fit the intake manifold of the secondary air injection pump to the pump.
|
12. |
Fit
Fan cowling, B284
|