To add coolant, begin by removing bottle access cover 2 in rear of vehicle (passenger side). Slowly remove the radiator pressure cap 3. Remove the pressure cap and use a funnel to add coolant as needed. Maintain the coolant level at the cold fill mark on the side of the pressure tank (only when the fluid has cooled, if after operation).. Learn about Polaris RZR coolant types, change procedures, and maintenance tips for optimal cooling system performance.

Reflex Polaris RZR XP Turbo 20172019 Cooling System ProRFL
Reflex Polaris RZR XP Turbo 20172019 Cooling System ProRFL
Polaris RZR XP Turbo Cooling System Side by Side Stuff
Polaris RZR XP Turbo Cooling System Side by Side Stuff
Polaris RZR Pro R High Volume Aluminum Coolant Reservoir Tank
Polaris RZR Pro R High Volume Aluminum Coolant Reservoir Tank
2016+ Polaris RZR XP Turbo Radiator and Heat Exchanger Relocation
2016+ Polaris RZR XP Turbo Radiator and Heat Exchanger Relocation
UTV TEST 2016 Polaris RZR XP Turbo EPS UTV Action
UTV TEST 2016 Polaris RZR XP Turbo EPS UTV Action
Bleeding coolant Polaris RZR Forum RZR
Bleeding coolant Polaris RZR Forum RZR
Coolant? Polaris RZR Forum RZR
Coolant? Polaris RZR Forum RZR
Polaris RZR Gains 53 more Coolant Capacity with FLUIDYNE POWERSPORTS
Polaris RZR Gains 53 more Coolant Capacity with FLUIDYNE POWERSPORTS
Polaris RZR Coolant Remote Filler, Small, Genuine OEM Part
Polaris RZR Coolant Remote Filler, Small, Genuine OEM Part
Moroso 16Up Polaris RZR Coolant Tank Black Powder Coat
Moroso 16Up Polaris RZR Coolant Tank Black Powder Coat
HPS Silicone Radiator Coolant Hose Kit 20142018 Polaris RZR XP
HPS Silicone Radiator Coolant Hose Kit 20142018 Polaris RZR XP
For Polaris RZR XP 4 TURBO Cooling Coolant Reservoir Dual
For Polaris RZR XP 4 TURBO Cooling Coolant Reservoir Dual
Polaris RZR XP Turbo Cooling System Pro Side by Side
Polaris RZR XP Turbo Cooling System Pro Side by Side
Polaris RZR Stage One Cooling Kit Now Available from CBR
Polaris RZR Stage One Cooling Kit Now Available from CBR
For Polaris RZR XP 4 TURBO Cooling Coolant Reservoir Dual
For Polaris RZR XP 4 TURBO Cooling Coolant Reservoir Dual
EVP HighVolume Aluminum Coolant Reservoir Tank for Polaris RZR Pro
EVP HighVolume Aluminum Coolant Reservoir Tank for Polaris RZR Pro
Polaris RZR Coolant Split Tank Eliminate Chances of Overheating
Polaris RZR Coolant Split Tank Eliminate Chances of Overheating
Cooling fan upgrade for 2016 Polaris RZR 900 YouTube
Cooling fan upgrade for 2016 Polaris RZR 900 YouTube
RZR XP Turbo Cooling System Extreme Edition For RZR XP
RZR XP Turbo Cooling System Extreme Edition For RZR XP
Air In Your Coolant System? Polaris RZR XP Turbo WTF
Air In Your Coolant System? Polaris RZR XP Turbo WTF
Polaris RZR XP Turbo S Split Coolant Tank by Deviant
Polaris RZR XP Turbo S Split Coolant Tank by Deviant
Works Power Split Coolant Tank Polaris RZR XP Turbo, Turbo
Works Power Split Coolant Tank Polaris RZR XP Turbo, Turbo
Polaris RZR XP Turbo Cooling System Pro Side by Side
Polaris RZR XP Turbo Cooling System Pro Side by Side
Dual Tank Coolant/Turbo Intercooler Polaris Rzr
Dual Tank Coolant/Turbo Intercooler Polaris Rzr
20162020 Polaris RZR XP and Polaris RZR Turbo S Split
20162020 Polaris RZR XP and Polaris RZR Turbo S Split
Rzr 800 Radiator and Cooling System Upgrades Part 1 YouTube
Rzr 800 Radiator and Cooling System Upgrades Part 1 YouTube
BLEEDING AIR OUT COOLANT ON RZR 1000 YouTube
BLEEDING AIR OUT COOLANT ON RZR 1000 YouTube
Moroso Coolant Tanks For Polaris RZR, RZR Turbo, And RZR
Moroso Coolant Tanks For Polaris RZR, RZR Turbo, And RZR
Stage 1 RZR Turbo CVT Cooling by Cool Belt Polaris
Stage 1 RZR Turbo CVT Cooling by Cool Belt Polaris
Moroso Coolant Tanks For Polaris RZR, RZR Turbo, And RZR
Moroso Coolant Tanks For Polaris RZR, RZR Turbo, And RZR

I'm sure this has been asked before. But what coolant seems to do the best job to keep the RZR 800 cool? Mine isn't overheating but I have no idea how old the coolant is. I know water is the best coolant, but I was wondering what others are using as well. Obviously a 50/50 mix.. My 2012 RZR 800 uses about 1 quart of antifreeze every 1000 miles. No leaks, no drips, no green stains, no milky engine oil, just an occasional antifreeze whiff especially during hard power applications. At 3600 miles, I'm just chalking it up as a normal.