Question 1

How to Replace a Heavy Duty Cooling Radiator on Cadillac CTS?

Accepted Answer

Draining the coolant should be one's first step before changing the Radiator. The first step includes taking off the engine coolant Fan Shroud together with the front fascia. Raising and supporting the vehicle enables access to the mounting bolts on both lower and upper condenser that need removal followed by condenser repositioning for removal of the Transmission Oil Cooler bolts. Start by disconnecting the lower retainer pins between the side air baffle and Radiator then lower the vehicle before removing both the bolts and brackets of the Radiator support. The correct use of two tools such as (J 38778) and (J 38185) allows the removal of the Radiator/condenser upper support and creates the space needed to disconnect the surge tank inlet hose from the Radiator for moving the hose out of the way. Use tool (J 38185) to disconnect the hoses from the Radiator after releasing tension from their Radiator inlet and outlet hose clamps while also removing the Radiator by disconnecting the upper retainer pins from the side air baffle. Install the new Radiator by connecting the upper retainer pins of the side air baffle followed by attaching the Radiator inlet and outlet hoses with (J 38185). Secure water tank surge inlet hose with (J 38185) clamp before installing the upper support and support brackets on the Radiator. Attach the Radiator support bracket bolts with a torque of 9 nm using 80 lb in measurement. Next raise the vehicle for a second time to install the lower retainer pins on the side air baffle which connect to the Radiator. Then bolt down the Transmission Oil Cooler with 5 nm force (44 lbs inch) before advancing to bolt down the upper and lower condenser mounting bolts to 5.4 nm force (48 lbs inch). You should first lower the vehicle and then install the engine coolant Fan Shroud followed by the front fascia. Finally, fill the cooling system.

Question 2

How to replace the radiator on Cadillac SRX?

Accepted Answer

The first step to replace a Radiator requires draining the coolant. The electric cooling fan assembly should be uninstalled after removing it. The technician should lift and hold the vehicle before taking out lower and upper condenser mounting bolts to move the condenser for Transmission Oil Cooler mounting bolt removal. The disconnection of side air baffle lower retainer pins from the Radiator system requires lower positioning of the vehicle. The first step requires the removal of Radiator support bracket bolts together with Radiator support brackets. The j 38778 (Door Trim Pad Clip Remover) tool will efficiently remove the Radiator/condenser upper support. Disable the surge tank inlet hose from the Radiator through use of j 38185 (Hose Clamp Pliers). Then relocate the hose. The Radiator inlet hose clamp tension needs to be loosened with j 38185 and the inlet hose should be disconnected following the same procedure for the outlet hose. Remove the Radiator by first disconnecting the pins on top of the side air baffles from the Radiator. Position the Radiator in its installation spot and join the side air baffle upper retainer pins to complete the process. After applying j 38185 (Hose Clamp Pliers) attach the Radiator outlet hose and clamp it into place before doing the same for the Radiator inlet hose. Attach the surge tank inlet hose while using the clamp for securement. Install the Radiator/condenser upper support together with the Radiator support brackets while tightening the support bracket bolts to 9 nm (80 lb in). Raising the vehicle while connecting lower side air baffle retainer pins and installing Transmission Oil Cooler mounting bolts which need to be tightened to 5 nm (44 lb in). Affix the condenser mounting bolts upper and lower, tightening them to 6.5 nm which equals 58 lb in. Continue by lowering the car and reattach the electric cooling fan assembly. Finally, fill the cooling system.

Question 3

How to Properly Handle the Radiator Replacement Process on Cadillac XLR?

Accepted Answer

The first step for radiator replacement involves draining the charge air cooler cooling system. Rise the vehicle and use appropriate support tools. Apply GE-47622 Hose Clamp Pliers to move the charge air cooler coolant outlet hose before removing it from the charge air cooler radiator. The next step involves installing the GE-47622 pliers to reposition the charge air cooler coolant inlet hose before removing it. Remove the charge air cooler radiator retaining nuts from the vehicle before you disconnect the radiator itself. Install the new charge air cooler radiator into your vehicle and fasten the retaining nuts to 8 Nm (71 lb in). Follow up with a GE-47622 and reposition the inlet hose clamp before reattaching the charge air cooler coolant inlet hose. Next install the charge air cooler coolant outlet hose followed by clamping and positioning the outlet tube using GE-47622. Soak up the vehicle and complete the fill operation for the charge air cooler cooling system.

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