How do you replace the thermostat on a Jeep Grand Cherokee?

How do you replace the thermostat on a Jeep Grand Cherokee?

The thermostat. Open the hood, open the radiator cap on top of the radiator, and locate the drain plug on the bottom of the radiator on the passenger’s side. Place a container under the drain plug and remove the drain plug, letting all the coolant drain from the radiator.

Where is the drain plug on a Jeep Grand Cherokee?

Open the hood, open the radiator cap on top of the radiator, and locate the drain plug on the bottom of the radiator on the passenger’s side. Place a container under the drain plug and remove the drain plug, letting all the coolant drain from the radiator.

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.

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.

How much does it cost to replace the thermostat on a Jeep Cherokee?

Jeep Cherokee Car Thermostat Replacement costs $150 on average. What is an engine cooling system thermostat and how does it work? The car’s engine cooling system thermostat is a small valve within a cooling system passageway that opens and closes in response to the temperature of the circulating engine coolant.

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.

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.

How do you replace the radiator in a Jeep Cherokee?

Screw the new thermostat on, precisely in the location and pattern that you removed the old one. Wiggle the black hose back on and secure it with the hose clamp. Put the drain plug back in snugly. Fill up the radiator with a gallon of a solution that is half antifreeze, half water. Turn the Jeep on to circulate the antifreeze.

Screw the new thermostat on, precisely in the location and pattern that you removed the old one. Wiggle the black hose back on and secure it with the hose clamp. Put the drain plug back in snugly. Fill up the radiator with a gallon of a solution that is half antifreeze, half water. Turn the Jeep on to circulate the antifreeze.

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.

What kind of thermostat do you use on a Jeep Cherokee?

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. Lets hear it!! I use a Mr Gasket 180F and have had no problems.

What happens when the thermostat on a jeep gets stuck?

A common problem with thermostats is that they can get stuck. When a thermostat is stuck, the valve is either continuously closed or open. In either case, it needs to be replaced immediately. When the thermostat is stuck open, the vehicle will be getting too much coolant.

Why does my Jeep Cherokee have too much coolant?

When the thermostat is stuck open, the vehicle will be getting too much coolant. On the other hand, if it is stuck in the closed position, the radiator will not be getting any coolant at all. If you do end up replacing the thermostat, make sure the new part is an exact match to your make and model of 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.

Can a bad thermostat cause a Jeep Wrangler to leak?

As pressure builds around a bad thermostat that is stuck shut, you’ll notice that there may be coolant leaking around the thermostat housing. This leak is not the cause, but rather a symptom of your Wrangler’s bad thermostat. Replacing a thermostat is a relatively affordable repair.

How does the thermostat work on a Jeep Grand Cherokee?

The thermostat in your Jeep Grand Cherokee works as a gate between your radiator and engine. When you start your car, the thermostat blocks the coolant from going into your engine until the engine is hot enough, then it opens up and allows the coolant to go into the engine to keep it from overheating.

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.

When to replace water pump in Jeep Cherokee?

If you see significant leakage from that weep hole, it is time to replace the pump. Bearing roughness or noise. If the water pump shaft does not turn smoothly or the pump is noisy, the bearing is excessively worn. Pump replacement will be necessary.

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.

The thermostat. Open the hood, open the radiator cap on top of the radiator, and locate the drain plug on the bottom of the radiator on the passenger’s side. Place a container under the drain plug and remove the drain plug, letting all the coolant drain from the radiator.

Open the hood, open the radiator cap on top of the radiator, and locate the drain plug on the bottom of the radiator on the passenger’s side. Place a container under the drain plug and remove the drain plug, letting all the coolant drain from the radiator.