Where is the thermostat on a jeep XJS?
The problem with running hot in XJs is two fold. First, marginal cooling system to start with. Second, the temp sensor for the gauge is at the back of the engine in the head, the hottest place in the engine cooling system. It might be 220° there, but only 195 at the stat.
Where is the temp sensor on a Jeep Cherokee?
Second, the temp sensor for the gauge is at the back of the engine in the head, the hottest place in the engine cooling system. It might be 220° there, but only 195 at the stat. It is a problem with a long engine block with the coolant coming all the way from the front.
What are the symptoms of a bad thermostat on a Jeep Wrangler?
Some of the most common symptoms of a bad thermostat are no heat, a spiked temp gauge, blown head gasket, and more. There are a few ways that your Wrangler will tell you that your thermostat is bad. Hopefully you’ve caught them before any damage was done.
How to replace the thermostat on a Dodge Chrysler?
DTC P0128 How to replace the thermostat on a 2.4L Jeep Dodge Chrysler. Overheating when AC is on. – YouTube
How do you replace the thermostat on a Jeep Cherokee?
4. Bolt the thermostat housing back on. I would recommend starting with the top bolt, leaving it loose, and then the bottom bolt. Tighten both bolts evenly, and don’t over tighten them. 5. Reconnect the heater core hose and the radiator hose, and clamp them down. 6. Allow RTV to dry for the recommended time.
What should the temp be in a Jeep Cherokee?
Make sure not to mix coolants as red and green coolant don’t mix well and can end up becoming a jelly like substance. The last step is to start your Jeep up and let it idle. The temperature gauge should climb to 160*, 180*, or 195* depending on what thermostat you just installed.
How do you remove a thermostat from a cylinder head?
Remove the two, 1/2 inch bolts holding the thermostat housing on. The top one is much longer than the bottom one. The serpentine belt might be in the way of the lower bolt. If the belt is in the way, just loosen the tensioner and push the belt out of the way. 4. Remove the thermostat housing from the cylinder head.
Why does my Jeep Cherokee not have a thermostat?
(I.e., not letting coolant sit in the radiator/block long enough to transfer heat) Let’s go off of the assumption that all fans are properly shrouded and in good, working condition and the systems are full of a 50/50 mix of antifreeze and water and all air has been purged from the systems.
Why does my Jeep Cherokee Run so hot?
Lol, but I’d be more likely to put in a 195 or slightly hotter stat in than leave it completely without one Engines with no stat will have trouble warming up, except on a hot day. Then they will run hot and not cool down from the coolant not spending enough time in the radiator to remove heat.
How long does it take to replace the thermostat on a Jeep Cherokee?
If the temperature continues to climb past that point you may have air in the cooling system or a part of your cooling system may need to be replaced or upgraded. Replacing the thermostat on your 4.0 Jeep should only take about an hour or less, and is a fairly easy job even for the novice mechanic.
The problem with running hot in XJs is two fold. First, marginal cooling system to start with. Second, the temp sensor for the gauge is at the back of the engine in the head, the hottest place in the engine cooling system. It might be 220° there, but only 195 at the stat.
Second, the temp sensor for the gauge is at the back of the engine in the head, the hottest place in the engine cooling system. It might be 220° there, but only 195 at the stat. It is a problem with a long engine block with the coolant coming all the way from the front.
Lol, but I’d be more likely to put in a 195 or slightly hotter stat in than leave it completely without one Engines with no stat will have trouble warming up, except on a hot day. Then they will run hot and not cool down from the coolant not spending enough time in the radiator to remove heat.