Polaris Pro R Aluminum Coolant Tank/ECU Removal

Located behind the passenger seat (if a 4 seater the rear passenger seat), remove the (4) push darts holding the sound dampener in.

Located behind is the ECU. Remove the black clip. Remove the (4) T15 screws holding the ECU in place. Unclip the ECU connectors, left before the right.

Remove the bed to CVT ducting, (2) worm drive clamps.

Freely hold up the coolant reservoir tank, keeping the flat lip on the right side of the tank inline with the plastic edge. (Figure 71).

Freely hold the supplied template up to the firewall. The bottom right hole should be 20mm center to center above the template. (Figure 72). Mark the (4) holes out with a sharpie. Cut the holes out with a 1/4" drill bit.

Install the coolant reservoir tank with supplied (4) M6x16 screws and (4) locknuts after we install all the hoses.

Coolant reservoir layout below:

Install the OEM radiator overflow onto the coolant tank. Use 15.7mm pinch clamp. Install the OEM valve cover hose onto the top barb. Use 18.5mm pinch clamp. Cut the pinch clamp holding the valve cover fitting on, install the 1/2" coupler and 1/2" hose. Use pinch clamps to fasten down. Reinstall the OEM fitting onto the end of this hose. See photos.

Install the overflow, 6mm ID hose using a 1/2" P-clamp to hold the hose onto the firewall.

Install the supplied hose from the large barb on the coolant tank to the thermostat block. Reuse (2) self-tightening OEM clamps.