Centinel System – Repair Manual – 010-041   Turbocharger Coolant Hoses

CAUTION  Do not bend or kink hoses while tightening. Doing so can damage the hoses.

Install the turbocharger coolant supply hose to the bottom of the turbocharger and the lubricating oil filter head. Tighten the fittings.

Use a second wrench to hold the coolant hose coupling while tightening the line.

CAUTION  Do not bend or kink hoses while tightening. Doing so can damage the lines.

Check the face of the coolant fittings on the engine and on the turbocharger to be sure the o-ring is in place and is
not damaged.

A damaged or missing o-ring will result in a coolant leak.

Install the turbocharger coolant return hose to the top of the turbocharger and the thermostat housing. Tighten the fittings.

Use a second wrench to hold the coolant hose coupling while tightening the line.

Install the tube brace onto the turbocharger coolant return hose and the air tube.

CAUTION  Do not bend or kink hoses while tightening. Doing so can damage the hoses.

CAUTION  Do not use petroleum products on the turbocharger coolant hose o-rings. The o-rings will swell and cause the connection to leak.

Install the four new banjo sealing washers on the turbocharger coolant supply hose.

Lubricate the sealing washers with clean engine coolant, soapy water, or vegetable oil.

Install the turbocharger coolant supply hose to the turbocharger bearing housing (3).

Install the turbocharger coolant supply hose to the turbocharger actuator (2).

Install the turbocharger coolant supply hose to the lubricating oil filter head (1).

NOTE: Use a second wrench to hold the coolant hose coupling while tightening the hose.

Tighten the fittings.

CAUTION  Do not bend or kink hoses while tightening. Doing so can damage the lines.

CAUTION  Do not use petroleum products on the turbocharger coolant line o-rings. The o-rings will swell and cause the connection to leak.

Install four new banjo sealing washers on the turbocharger bearing housing coolant return hose and turbocharger actuator coolant return tube.

Install the turbocharger coolant return hose to the turbocharger. Tighten the fitting.

Install the turbocharger coolant return hose in the thermostat housing. Tighten the banjo fitting.

Install the turbocharger actuator coolant hose to the thermostat housing. Tighten the fitting.

It is possible for the turbocharger actuator coolant return hose to contact the turbocharger coolant return hose when the fittings are torqued. Be sure to space the hoses apart while the fittings are torqued. If the hoses are
not spaced apart, hose failure can result.

NOTE: Use a second wrench to hold the coolant line coupling while tightening the line.

Install the turbocharger actuator coolant hose to the turbocharger actuator. Tighten the banjo fitting.