what coolant for jeep 4.0 engines? | Jeep Enthusiast Forums
Jan 11, 2010 · "Mixing of coolants other than the specified HOAT coolant may result in decreased protection and engine damage that may not be covered under the new vehicle warranty. If a non-HOAT coolant is introduced into the cooling system in an emergency, it should be replaced with the specified coolant as soon as possible.
Best engine coolant? - Jeep Enthusiast Forums
Jul 20, 2010 · Jeep Wrangler Forums. TJ Wrangler Technical Forum
Proper Coolant for 2003 Jeep Wrangler Sahara 4.0L Auto
Jul 25, 2012 · Sorry to make this thread longer, but would you guys recommend a coolant flush? I'm thinking maybe I might do it. 80,000 miles on it, haven't changed the coolant ever. Also, I was at Advanced Auto Parts, and they're carrying this Prestone 50/50 coolant that claims you can add to "ANY vehicle, ANY color coolant." Have you guys heard of this coolant?
What coolant is best For a 304 V8?? - Jeep Enthusiast Forums
Jun 4, 2016 · Deionized water is recommended for shop blending, but prediluted coolant is the best choice (preferred) because it ensures quality, saves time, and eliminates mixing mistakes. If you re interested in protecting your vehicle investment, lets examine some facts: Antifreeze/engine coolant is the most neglected fluid in the vehicle.
What Type of Coolant in my XJ? | Jeep Enthusiast Forums
May 31, 2013 · The only disadvantage is this is not a long-life antifreeze, it will need to be changed every 2 years. The new OAT coolants are all dexcool emulations including Mopar G0-5 which is a hybrid (HOAT). The new stuff is great for newer air tight,leak free coolant systems BUT it turns into a nightmare of mud-like corrosion if not maintained.
Coolant recommendation - Jeep Enthusiast Forums
Jan 9, 2012 · The recommended mixture is 50/50 ethylene-glycol and low mineral content water. Never use pure antifreeze. Only Mopar Antifreeze Coolant, 5 Year/100,000 Mile Formula (glycol base coolant with corrosion inhibitors called HOAT) is recommended. This coolant offers the best engine cooling without corrosion when mixed with 50% distilled water.
what coolant for jeep 4.0 engines? - Jeep Enthusiast Forums
Jul 18, 2009 · The way I see it is that the engine coolant needs to do three things: 1. Transfer heat energy to the radiator from the engine. 2. Prevent freezing in cold weather. 3. Inhibit corrosion to the metal surfaces and components. From a chemistry perspective, ethylene glycol and propylene glycol are the coolant additives that prevent freezing.
final word on coolant: Hoat or universal - Jeep Enthusiast Forums
Jan 12, 2018 · This could show up as aluminum pipes turning black in the coolant system, engine overheat, or leaks in the coolant system. NOTE: If OAT (MOPAR P/N 68163848AA Purple) has been Mixed with HOAT (MOPAR P/N 68048953AB Pink Or Factory Fill HOAT Orange (Fig. 2) or (Fig. 3)) or any other coolants have been mixed, it will be necessary to flush the ...
New Antifreeze Coolant for 2013 - Jeep Enthusiast Forums
Nov 9, 2012 · Organic Additive Technology (OAT) engine coolant is different and should not be mixed with Hybrid Organic Additive Technology (HOAT) engine coolant (antifreeze). If a non-OAT engine coolant (antifreeze) is introduced into the cooling system in an emergency, it should be replaced with the specified engine coolant (antifreeze) as soon as possible.
3.6L coolant drain and fill - Jeep Enthusiast Forums
May 26, 2018 · Run the vehicle till the thermostat opens (see some coolant) movement in the radiator. Keep topping up the radiator as you go along. Once the thermostat opens and its run for a minute, shut off the jeep, top off the radiator an replace the cap. Check the recovery bottle level and let cool. From then on only add coolant to the recovery tank.