How to remove a turbocharger on 1999 Pontiac Grand Prix?

To remove the turbocharger, disconnect the battery's negative cable. Drain the radiator coolant and detach the intercooler from the intake manifold duct. Remove the air cleaner assembly, turbocharger ducts, and heat covers. Disconnect the oxygen sensor and its electrical connector. At the turbocharger, unhook coolant, oil supply, and vacuum lines. Remove the wastegate actuator and detach the actuator arm. Place the cruise control servo aside. Disconnect the downpipe, coolant hose, oil drain hose, and the bolt linking the turbocharger to the exhaust crossover. After removing the turbocharger, transfer oil and water lines to the new unit, prime with oil, and check for leaks upon restart.

Genuine 1999 Pontiac Grand Prix Turbocharger

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1999 Pontiac Grand Prix Supercharger Kit,Engine
Part Number: 89060470
Product Specifications
- Other Name: SUPERCHARGER KIT, Turbocharger/Supercharger; Supercharger
- Replaces: 12480245, 12538410, 12371986, 89017692
- Item Weight: 39.40 Pounds
- Item Dimensions: 27.5 x 14.6 x 8.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 89060470
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 1999 Pontiac Grand Prix Submodels:
- 2 DOOR, 4 DOOR, GT 2 DOOR, GT 4 DOOR, GTP 2 DOOR, GTP 4 DOOR, SE 4 DOOR | 6 Cyl 3.8L

1999 Pontiac Grand Prix Turbocharger

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1999 Pontiac Grand Prix Turbocharger Parts Questions & Experts Answers

Q:
How to remove a turbocharger on 1999 Pontiac Grand Prix?
Posted by Filipp A.
A:
To remove the turbocharger, disconnect the battery's negative cable. Drain the radiator coolant and detach the intercooler from the intake manifold duct. Remove the air cleaner assembly, turbocharger ducts, and heat covers. Disconnect the oxygen sensor and its electrical connector. At the turbocharger, unhook coolant, oil supply, and vacuum lines. Remove the wastegate actuator and detach the actuator arm. Place the cruise control servo aside. Disconnect the downpipe, coolant hose, oil drain hose, and the bolt linking the turbocharger to the exhaust crossover. After removing the turbocharger, transfer oil and water lines to the new unit, prime with oil, and check for leaks upon restart.
Answered by GM Parts Specialist Raul / Jun 11, 2022