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Tips And Tricks For Cooling Your Maverick Engine

It doesn’t matter where you ride, be it in South Florida, Texas, or even the cooler northern states, your Can-Am Maverick engine can overheat regardless of the outside temperatures. While 3-4 bars is normal — even in warmer climates — if your machine stays in the mid-five-bar range or is overheating at idle, you’ve got an issue. Some riders might tell you that a thermostat delete is your best bet if you’re running hot, but others would argue that this is a band-aid fix, and you’re better off finding the root problem and fixing that rather than the symptoms. Other solutions like radiator relocation kits, aftermarket fans and pumps, as well as refreshed ECUs are also options. So if your Maverick is running hot, here’s what you should do.

Keeping Your Maverick Radiator In Working Order

Most people think tat their Can-Am Maverick radiator is clean, but it's really not. So if your rig is overheating, we’d suggest to first take the fins out and give it a high PSI cleaning. Making sure that the radiator is clean is only half the battle, however, as the cooling lines could be the culprit. If you have air bubbles in your radiator system, proper cooling will likely not occur. Make sure to “burb” your cooling lines to get all the air out of them and put new engine ice (cooling fluid) in if you’re running low — the ice in the purple container works well. Alternatively, you can also run CLR (calcium, lime, and rust remover) through the cooling system if you suspect there might be deposits built up inside. 

To bleed your coolant lines, there is a process that Can-Am says you should use. They suggest jacking the whole bike up systematically, starting with the front, then the side, then the back, and then the front on the other side. Think of a water bottle when you tip it upside down and move it around. That is similar to what’s happening in your coolant lines.

Once you know both your radiator fins and the coolant lines are clean and set up right, the next thing you might check are the temperature sensors and water pump. If your sensors are off, your machine’s computer won’t know that the engine is too hot, and if your water pump impeller is malfunctioning, it may not be circulating fluids properly. 

The Boysean high flow water pump kit is an option that many riders swear by. We’ve talked to riders that had brand new radiators, hoses, t-stats, and high volume fans, yet were still always on the verge of over heating. They  changed the coolant several times, thinking that they had the wrong mixture, bled the system, checked their oil, scrutinized their head gaskets, but to no avail. The only thing that worked was replacing the plastic stock water pump impeller with the billet impeller like the one by Boysean. 

Starting with the small stuff and getting progressively bigger will help you rule things out. Things that aren’t inside the radiator or even part of the radiator system, however, can affect engine temperatures. The primary component that isn’t a part of the cooling system yet plays a crucial roll in its performance is the electronic control unit.  

Reflashing Your Maverick’s Computer

Reflashing your Maverick’s electronic control unit (ECU) could be the solution to your overheating problems. By flashing your ECU, you’re programming the computer to tell the radiator fan to kick on at lower temperatures. If you’ve noticed that your fan kicks on at around 5 bars, an ECU reflash would turn them on at, say, 3 bars instead. This is a simple solution and can be done for relatively little money. If you have an ECU turner on your Maverick, all it would take is a few pushes of a button. 

A fan override switch is another option for controlling your cooling fans. Although a bit more involved than an ECU reflash, a fan override switch lets you manually control your radiator fans. When things get too hot, simply flip a switch and your fans will start working full force. 

Maverick Radiator Relocations And Dual Radiators

Thick clay and mud are the bane of any radiator, which is why some riders decide to bite the bullet and relocate their radiator or add a secondary one. Specialized UTV mudding radiators like the TCP Mudder edition radiator work well, but relocating the radiator to the back or top of your Maverick with a CYA radiator relocation kit or something similar is the best way to keep it clean and mud free. 

If you don’t want to move your stock radiator, a dual-radiator system can function in much the same way as a radiator relocation kit. However instead of moving your radiator away from the ground, you simply add another one where it won’t get crusted up and blocked. You can route the lines at the motor, splicing the main to the rear and then from the second radiator back to the motor so they run in succession. Use a switch to turn it on after running your machine or when the front fans kick on. 

Closing Thoughts

We won’t get into t-stat deletions or the option of bypassing the crossover hose with a looping system, but the above information should get you going and be more than enough for you to avoid your overheating issues. A hot engine should never be ignored, and it’s well worth spending a little now for better engine cooling than spending heaps more later for a brand new engine replacement! 

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