buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Wastegate|Testing and Inspection|Page 2752 > < Wastegate|Testing and Inspection|Page 2750
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Fig. 7 Turbocharger Assembly

Fig. 8 Exhaust Manifold & Gasket Assembly

TURBOCHARGER, REPLACE

1.

Disconnect battery ground cable.

2.

Raise and support vehicle.

3.

Remove lower fan retaining screw, then disconnect exhaust pipe from exhaust manifold.

4.

Remove rear A/C support bracket bolt, then loosen remaining bolts.

5.

Remove turbocharger support bracket to engine bolt and oil drain hose from turbocharger.

6.

Lower vehicle.

7.

Disconnect coolant recovery line from engine and position aside.

8.

Disconnect air induction tube from intake manifold and turbocharger. Fig. 6.

9.

Remove coolant fan from vehicle.

10. Remove oxygen sensor from exhaust manifold.
11. Disconnect oil feed pipe from engine.
12. Remove air intake duct from turbocharger, then disconnect vacuum hose from actuator.

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