Turbocharger Coolant Return Pipe Replacement (Thermostat Bypass Pipe Side)
Turbocharger Coolant Return Pipe Replacement (Thermostat Bypass Pipe Side-LGH)
Removal Procedure
1. Remove the turbocharger. Refer to Turbocharger Replacement (Turbocharger Replacement).
2. Remove the exhaust gas recirculation (EGR) cooler assembly. Refer to Exhaust Gas Recirculation Valve Cooler Replacement (Exhaust Gas Recirculation Valve Cooler Replacement).
3. Remove the generator mounting bracket. Refer to Generator Bracket Replacement (V8) (Generator Bracket Replacement)Generator Bracket Replacement (V6) (Generator Bracket Replacement)Generator Bracket Replacement (LMM) (Generator Bracket Replacement)Generator Bracket Replacement (LGH) (Generator Bracket Replacement).
4. Remove the cooling fan clutch. Refer to Fan Clutch Replacement (Service and Repair).
5. Reposition the hose clamp and move the turbocharger coolant return hose (1) away from the turbocharger coolant return pipe (2).
6. Remove the turbocharger coolant return pipe retainer bolt(1).
7. Remove the turbocharger coolant return pipe retainer bolt (1) attached to the right front valve cover.
8. Remove the turbocharger coolant return pipe retainer bolt (1) on top of the engine.
9. Remove the turbocharger coolant return pipe (3)and hose (2) from the engine.
10. Replace any worn or damaged hoses.
Installation Procedure
1. Position the turbocharger coolant return pipe onto engine.
Caution: Refer to Fastener Caution (Fastener Caution).
2. Install the turbocharger coolant return pipe retainer bolt (1).
Tighten the bolt to 25 Nm (18 lb ft).
3. Install the turbocharger coolant return hose (2) onto the turbocharger coolant return pipe (2)
4. Install the turbocharger coolant return to the pipe retainer bolt (1) onto the right front valve cover.
Tighten the bolt to 25 Nm (18 lb ft).
5. Install the turbocharger coolant return pipe retainer bolt (1).
Tighten the bolt to 25 Nm (18 lb ft).
6. Install the turbocharger. Refer to Turbocharger Replacement (Turbocharger Replacement)
7. Install the EGR cooler assembly. Refer to Exhaust Gas Recirculation Valve Cooler Replacement (Exhaust Gas Recirculation Valve Cooler Replacement).
8. Install the generator mounting bracket. Refer to Generator Bracket Replacement (V8) (Generator Bracket Replacement)Generator Bracket Replacement (V6) (Generator Bracket Replacement)Generator Bracket Replacement (LMM) (Generator Bracket Replacement)Generator Bracket Replacement (LGH) (Generator Bracket Replacement).
9. Install the cooling fan clutch. Refer to Fan Clutch Replacement (Service and Repair).