Buick Regal Owners & Service Manuals
Buick Regal 2018-2025 Service Manual / Engine / Engine Cooling / Repair Instructions / Turbocharger Coolant Feed Pipe Replacement

Buick Regal: Turbocharger Coolant Feed Pipe Replacement

Special Tools

BO-38185 Hose Clamp Pliers

For equivalent regional tools, refer to Special Tools.

Removal Procedure

1. Drain the cooling system.

2. Warm Up Three-Way Catalytic Converter Replacement (2.0L LTG) - Remove.

3.

Engine Cooling

Turbocharger Coolant Feed Pipe Hollow Screw (1) - Remove.

4. Remove and DISCARD the copper washers (2).

5. Turbocharger Coolant Feed Pipe Fastener (3) - Remove [2x].

6. Remove and DISCARD the gasket (4).

7. Using the BO-38185 Hose Clamp Pliers, relocate the turbocharger coolant feed pipe hose clamp (5).

8. Turbocharger Coolant Feed Pipe (6) - Remove.

Installation Procedure

1.

Engine Cooling

Turbocharger Coolant Feed Pipe (6) - Install.

2. Using the BO-38185 Hose Clamp Pliers, install the turbocharger coolant feed pipe hose clamp (5).

3. Install a NEW gasket (4).

CAUTION: Refer to Fastener Caution.

4. Turbocharger Coolant Feed Pipe Fastener (3) - Install and tighten [2x] 10 N.m (89 lb in).

5. Install NEW copper washers (2).

6. Turbocharger Coolant Feed Pipe Hollow Screw (1) - Install and tighten35 N.m (26 lb ft).

7. Warm Up Three-Way Catalytic Converter Replacement (2.0L LTG) - Install.

8. Fill the cooling system.

TURBOCHARGER COOLANT RETURN PIPE REPLACEMENT

Removal Procedure

1. Drain the cooling system.

2. Intake Manifold Cover - Remove.

3. Turbocharger Heat Shield - Remove.

4.

Engine Cooling

Turbocharger Coolant Return Pipe Banjo Bolt (1) - Remove.

5. Washer (2) - Remove and DISCARD [2x].

6.

Engine Cooling

Turbocharger Coolant Return Pipe Bracket Bolt (1) - Remove.

7. Clamp (2) - Loosen.

8. Turbocharger Coolant Return Pipe (4) @ Engine Coolant Air Bleed Hose (3) - Disconnect.

9. Turbocharger Coolant Return Pipe (4) - Remove.

Installation Procedure

1.

Engine Cooling

Turbocharger Coolant Return Pipe (4) - Install.

2. Turbocharger Coolant Return Pipe (4) @ Engine Coolant Air Bleed Hose (3) - Connect.

3. Clamp (2) - Install.

4. Turbocharger Coolant Return Pipe Bracket Bolt (1) - Install and hand tighten.

5.

Engine Cooling

Washer (2) - Install NEW [2x].

CAUTION: Fastener Caution

6. Turbocharger Coolant Return Pipe Banjo Bolt (1) - Install and tighten35N.m (26 lb ft).

7.

Engine Cooling

Turbocharger Coolant Return Pipe Bracket Bolt (1) - Tighten10N.m (89 lb in).

8. Turbocharger Heat Shield - Install.

9. Intake Manifold Cover - Install.

10. Fill the cooling system.

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