How to replace crankshaft position sensor on Jeep Grand Cherokee?
This is going to be a how to on replacing the crankshaft position sensor on the 4.0L motor in the Grand Cherokee. This is by no means the ONLY way or “correct” way to replace the sensor. This is only the way I changed the sensor.
Can you replace a faulty crankshaft position sensor?
By following the guidelines above, you will be able to successfully replace a faulty crankshaft position sensor. However, if you are not comfortable doing the work yourself, a certified technician, like one from YourMechanic, can complete the crankshaft position sensor replacement for you.
How is the sensor installed on a Jeep Wrangler?
When purchasing a new sensor for the 4.0/auto YJ there will be paper spacer attached to the end of the sensor that gets inserted into the bell-housing. This spacer sets the correct depth to be installed. Simply drop the sensor in until the paper spacer bottoms out in the hole, then tighten the bolt.
Is the camshaft sensor the same as the crankshaft sensor?
(Camshaft position sensors are the basically the same as crankshaft position sensors, but are easier to get to – ‘Murphy’s law’ dictates that out of the two, the crankshaft sensor is the one that will fail, because that is the harder of the two jobs to do!
Where is the crank sensor on a Jeep Cherokee?
Step 1 Locate the crankshaft position sensor on the driver side of the bell housing, about half way down. It is secured with two 7/16-inch bolts and has a cable that runs up and onto the engine. Remove the two 7/16-inch bolts from the bracket holding the CPS.
Where is the crankshaft sensor on a YJ Wrangler?
Just take out those 2 bolts and pull the sensor out of the bell housing. For the 2.5L/automatic the sensor is help in place with 2 nuts instead of bolts. The YJ Wranglers that come with the 4.0/automatic, the sensor uses a single slotted hole to adjust the mounting depth.
How do you replace the crankshaft position sensor?
It’s held in place by two 10mm nuts (see picture below, one nut is hidden just out of view). Remove those by using a 10mm socket on the bottom one and a 10mm wrench on the top one. Then use a screwdriver to gently pry the cover up over the studs.
Where is the CPS sensor located on a Jeep Wrangler?
Camshaft position sensor determines which cylinder is firing. Then it uses that information to sync the injectors with the ignition. The CPS is one of two sensors that if they fail, your Jeep will not fire the spark plugs or cycle the fuel injectors. Pretty much leaving your Jeep Wrangler or Cherokee sitting dead. Where is the CPS Sensor located?
This is going to be a how to on replacing the crankshaft position sensor on the 4.0L motor in the Grand Cherokee. This is by no means the ONLY way or “correct” way to replace the sensor. This is only the way I changed the sensor.
How can I test my crankshaft position sensor?
Here is how you can easily test both your crankshaft position sensor and camshaft position sensor. It’s very important to be able to test these sensor since because they control your ignition and fuel injector pulse and if they fail they could cause a Crank No start condition. Instagram: https://www.instagram.com/ratchetsand…
What happens to the crank sensor on a GMC?
The crankshaft sensor on GMC vehicles is synced to the powertrain control module, or PCM. When the crank sensor is replaced, it must be resynced to the PCM. Without resyncing, the PCM cannot properly determine the position of the crankshaft.
Is there paper spacer on crankshaft position sensor?
According to the info sheet that came with the part it says “Do Not remove the paper spacer. It is about .030 inch thick pasted on the tip of the sensor and provides the necessary air gap between the sensor and the engine moving parts.
What happens when you replace the crankshaft sensor?
Q: Replaced crankshaft sensor and now car won’t start. Even tried putting old one back and still won’t start. No problem starting bef Was told my crankshaft sensor needed replacing. Car was running bad. Shop ran codes and came up with crankshaft sensor. I replaced it with a new one now car won’t start.
Where is the crank sensor located on a car?
This crank sensor will be located at the lower section of the block and can either be at the front, rear or middle of the engine at the crankshaft level. What Goes Wrong?
How do you raise the CKP sensor on a Jeep Cherokee?
If your model has only one mounting bolt, push the new sensor against the flywheel and then tighten the bolt to 60-inches lb. (7 Nm) using a torque wrench, ratchet extension and socket. Plug the CKP sensor electrical connector. Lower your Jeep if you had to raise it. Remove the chocks from the rear wheels.
Where did I buy the crankshaft position sensor?
The sensor brand was BWD and the part number was CSS819 which I bought at Advanced Auto Parts. The part did have a paper-like material at the end of the sensor which I had read about in other blogs. According to the info sheet that came with the part it says “Do Not remove the paper spacer.
How to remove the air box from a jeep?
To remove the air box you need to first remove the 1 bolt holding it in place using a 10mm socket (see location below). Then remove pull on the valve cover breather tube (see below, red circle on left). Wiggle it some while pulling and it comes right off.
What happens when the CPS on a Jeep Cherokee stops working?
If the CPS stops working, the Jeep simply will not run, though a malfunctioning CPS can cause the engine to run rough or start hard. The CPS isn’t difficult to change, and if you suspect a defective one, changing it may prevent you from being stranded when it stops working entirely.
The sensor brand was BWD and the part number was CSS819 which I bought at Advanced Auto Parts. The part did have a paper-like material at the end of the sensor which I had read about in other blogs. According to the info sheet that came with the part it says “Do Not remove the paper spacer.
How do you install CPS on a Jeep Cherokee?
Remove the old CPS and cable from the Jeep. Install the new CPS in the location that you removed the old one from, using the two 7/16-inch bolts. Route the cable from the new CPS up to the clip on the bell housing and install the cable under it.
What is the trouble code on a Jeep Grand Cherokee?
P0340 is a somewhat common and difficult trouble code to diagnose. The Jeep Grand Cherokee is no exception to this rule. That’s because it’s a generic powertrain code.
What causes no start on a jeep 4.0L?
Updated: 29 June 2019. Article Id: 420. A no start condition, on your 4.0L Jeep, is usually caused by a lack of fuel, or a lack of spark, or a lack of air (generally engine compression).
What kind of ignition system does a Jeep Cherokee use?
The ignition system is the one tasked with creating and delivering spark to each of the 6 cylinders. Without spark, the engine will crank but no start. The ignition system of the Jeep vehicles covered by this tutorial use either a distributor type system or a COP (Coil-On-Plug) ignition coil system. Failed ignition coil.
What’s the crankshaft position sensor on a Jeep Laredo?
Always use O.E.M. if you can afford it or plan to keep it. 1996 Jeep Grand Cherokee Laredo with the inline 4.0 six. 258000 miles. I had problems for years with the “Crankshaft Position Sensor,” crank no start.
What was the year of the Jeep Laredo?
1996 Jeep Grand Cherokee Laredo with the inline 4.0 six. 258000 miles. I had problems for years with the “Crankshaft Position Sensor,” crank no start. Had my mechanic replace and it would work for months and then again out of the blue “crank no start” again. Replaced and would be OK again for a while.
Why is my Jeep not cranking at all?
However this one was a failure out of the box. Completely rebuilt everything in the Jeep, new motor, axles, trans, etc…installed all new sensors and ECM, Jeep would crank and run for a few minutes and die. Then wouldn’t crank at all.
What are the symptoms of a bad crankshaft position sensor?
Cost of Replacing a Bad or Failing Crankshaft Position Sensor. Common signs of a faulty crankshaft position sensor include issues starting the vehicle, intermittent stalling, and the Check Engine Light coming on. Our certified technicians can come to you and diagnose the problem.
Do you need a camshaft position sensor for a Chevy Silverado?
We offer these sensors for your specific make and model, so whether you want Chevy Silverado camshaft position sensors or a cam position sensor for F150 pickup trucks, you’re sure to find everything you need when you rely on AutoZone. Take advantage of our Same Day Store Pickup policy if you need your camshaft position sensor immediately.
Where can I go to talk about jeeps?
Welcome to Jeepz.com, home to the friendliest Jeepers on the internet. We are an easy going group who love to talk about 4x4s, offroading, repair, and upgrading of all types of Jeep vehicles. Take some time to visit our Jeep forum and join in.
Where is the sensor located on the crankshaft?
The red arrow shows where the 11mm bolt would be located. The yellow arrow shows the hole where sensor sticks into the bell housing. * Now you need to remove the actual sensor.
By following the guidelines above, you will be able to successfully replace a faulty crankshaft position sensor. However, if you are not comfortable doing the work yourself, a certified technician, like one from YourMechanic, can complete the crankshaft position sensor replacement for you.
Where is the CPS on a 2001 Jeep Cherokee?
The 2000 and 2001 will have the CPS in the same location on the bell housing, but the wire connector may be on the passenger side, not as shown in the diagram below. Simply follow the wire from the sensor to the connector. . Bob likes this.
Is there a 2001 Jeep Cherokee that will not start?
Discussion in ‘ Cherokee ‘ started by jim14424, Aug 22, 2016 . I have a 2001 Jeep Cherokee limited, that will crank but will not start. I have replaced the crankshaft position sensor, and the camshaft position sensor. I do have fuel getting to the engine, but no spark. I check the coil pack, but do not see spark.
Always use O.E.M. if you can afford it or plan to keep it. 1996 Jeep Grand Cherokee Laredo with the inline 4.0 six. 258000 miles. I had problems for years with the “Crankshaft Position Sensor,” crank no start.
Why is my camshaft sensor not working on my Jeep Grand Cherokee?
Called Chrysler to see if it had any recalls and they said there were none. . Then had it scanned read p0340 camshaft sensor had that replaced still did not work. . The mechanic called two days later and said that it was the tipm module and had it towed over to the dealership. .
What are symptoms of bad crankshaft position sensor?
Problems with the crankshaft position sensor will often present as problems with engine timing. If you think your sensor has failed, here are some common symptoms of a bad crankshaft sensor that can help you in determining whether or not it has failed. As the engine speeds up, there needs to be adjustments to spark timing and fuel injection.
Where is the crankshaft position sensor on a Jeep Cherokee?
This is no cause for concern… as long as you keep in mind that the connector locking tab is on top (in the photo), the circuits (wires) will be the same. The crankshaft position sensor, on your 4.0L Jeep equipped SUV, is a Hall-Effect three wire crankshaft position sensor.
Cost of Replacing a Bad or Failing Crankshaft Position Sensor. Common signs of a faulty crankshaft position sensor include issues starting the vehicle, intermittent stalling, and the Check Engine Light coming on. Our certified technicians can come to you and diagnose the problem.
How to replace a crankshaft sensor from under the dash?
How to Replace a Crankshaft Sensor from UNDER THE DASH for a Jeep Grand Cherokee (1999 shown) – YouTube If playback doesn’t begin shortly, try restarting your device.
How big is a Mopar crankshaft position sensor?
Make sure this fits by entering your model number. Package Dimensions: 7.83 L x 1.55 H x 6.94 W (inches) These items are shipped from and sold by different sellers. Show details Only 1 left in stock – order soon.
How is the crankshaft position sensor held in place?
It’s held in place by two 10mm bolts on the bottom, 3 Phillips screws on the top and side, and 1 clip on the left half. The below pictures show the location of the 3 screws and 2 bolts (starting on left side and moving in a clockwise direction).
Why is my turn signal not working on my Jeep Grand Cherokee?
When the right turn signal is on the fog lights flash and the turn signal does not blink. When I turn the fog light button on my turn signal lights up but does not blink. Took it to the dealer and they said it was the tipm that was faulty.
What is the sensor on a Jeep Grand Cherokee?
Most times it will restart on its own but lately it has taken longer to restart. The crankshaft position sensor, throttle position sensor, idle air control valve, coil, sparlk plugs, spark plug wires, distributor cap, rotor and cam shaft position sensor have all been changed or checked.
How to install a cam sensor on a jeep?
Pull all the spark plugs out so she rolls over easy. Put your finger into #1 cylinder or use a compression tester with a removable head (so all you have is the hose threaded into the #1 spark plug hole). Turn the engine over using a socket on the crank or alternator if the alternator is easier to reach.
Where do you put the compression tester in a jeep?
Put your finger into #1 cylinder or use a compression tester with a removable head (so all you have is the hose threaded into the #1 spark plug hole). Turn the engine over using a socket on the crank or alternator if the alternator is easier to reach.
When the right turn signal is on the fog lights flash and the turn signal does not blink. When I turn the fog light button on my turn signal lights up but does not blink. Took it to the dealer and they said it was the tipm that was faulty.
According to the info sheet that came with the part it says “Do Not remove the paper spacer. It is about .030 inch thick pasted on the tip of the sensor and provides the necessary air gap between the sensor and the engine moving parts.
What to do if your crankshaft position sensor is bad?
Have a mechanic inspect the sensor — as insufficient fuel economy can occur from other issues as well. The crankshaft position sensor is critical to proper engine functionality and performance due to the vital signal it provides for engine calculations.
Just take out those 2 bolts and pull the sensor out of the bell housing. For the 2.5L/automatic the sensor is help in place with 2 nuts instead of bolts. The YJ Wranglers that come with the 4.0/automatic, the sensor uses a single slotted hole to adjust the mounting depth.
Can a crankshaft sensor trigger a check engine light?
Yes it will trigger the “check engine” light. But most of the time when the Crankshaft sensor goes the engine is dead as a hammer. It will turn over but will not fire at all. Occasionally a CPS will cool down long enough to fire up again.
Why does the crankshaft position sensor stop working?
There are several failure crankshaft position sensor symptoms that you should pay attention to. Many engine models stop functioning if this component fails to send accurate signals. The speed and position of the crankshaft are two key parameters that the car’s computer uses for engine management calculations.
Can a bad crankshaft sensor cause a check engine light?
Another issue of a potential problem with the crankshaft position sensor is an illuminated Check Engine Light. If the computer detects a problem with the crankshaft position sensor’s signal, it will activate the Check Engine Light to alert the driver of the problem. A Check Engine Light can also be set off by a wide variety of other issues.
How to replace a crankshaft sensor from under the steering column?
1) Remove the plastic bottom panel directly under the gauges. It simply snaps up and out. 2) Locate the bolts and screws that hold the lower plastic panel under the steering column and remove them to free up the panel. Remove the panel.
Have a mechanic inspect the sensor — as insufficient fuel economy can occur from other issues as well. The crankshaft position sensor is critical to proper engine functionality and performance due to the vital signal it provides for engine calculations.
Why is my Jeep Grand Cherokee not working?
The cause of the issue was a short in the crankshaft position sensor that disabled all powertrain and braking systems. All systems share the same 5 volt circuit into pcm. See all problems of the 2011 Jeep Grand Cherokee . The contact owns a 2004 Jeep Grand Cherokee.
Why does my Jeep Grand Cherokee keep stalling?
The vehicle was taken to the dealer who diagnosed that the cam and crank sensors were faulty. The sensors were replaced but the vehicle continued to experience the failure. The contact indicated that the vehicle would also stall due to the main computer overheating. The vehicle was taken to the dealer who replaced the screws to the computer.
What should I do if my Jeep Cherokee turns off?
Plus i had my motor rebuilt at 2000thou now 242, runs Great just anoying sensors that are starting to act up but repñace crank sensor first check pos wire from start make sure its good not arking i put 4guage on its better Plus put 4guage ground on bat do the crank sensor if u wanna start it up 11 people found this helpful. 1,030
Why is the position of the crankshaft so important?
The speed and position of the crankshaft are two key parameters that the car’s computer uses for engine management calculations. So, you may understand how important it is for the sensor to work without any glitch. Let’s learn about some crankshaft position sensor failure symptoms so that you can take action when there’s a problem.
Why does my Jeep turn off while driving?
138 people found this helpful. If your jeep over heated after all things listed in this form have been checked, have a mechanic check the motor head gaskets to see if they are damaged, air might be leaking out from it. Usually happens if it overheats or overheated in the past and the gaskets got blown or are having pressure come out even a little.
Can a Mopar crankshaft position sensor be replaced?
Replaced and would be OK again for a while. Did some homework on these sensors and found that the magnets in aftermarket sensors is inferior. Purchased this sensor and discovered that the magnet was very strong compared to the aftermarket that would hardly be able to stick to any metal surface.
How do you replace an oxygen sensor in a Jeep Wrangler?
Install the two new sensors into the threaded sections of the exhaust where you removed the old ones from. The two sensors used by Jeep are identical, so either one is fine in each hole. Tighten the sensors with an oxygen sensor socket and a torque wrench to 22 foot-pounds.
What kind of sensor do I need for my Jeep?
A few months ago I replaced the old Jeep CKP sensor with the Duralast one. It took awhile. The youtube video I watched said you needed to remove a bracket in front of the CKP bolt to get it at.
How did I fix the coolant sensor on my Jeep?
I had the map sensor, o2 sensor, and coolant temperature sensor changed. I cleaned the IAC sensor, eventually changed it, then changed it back. None of this fixed the problem, although it did help the car. It took a number of weekends to swap out the parts.
Where are the oxygen sensors on a Jeep Wrangler?
The oxygen or O2 sensors are in the exhaust under the middle of the Jeep, so you will have to lift the entire Jeep to access them effectively. Locate the two O2 sensors in the exhaust system. The first one is near the center of the transmission, and the second is between the resonator and the catalytic converter.
How can I change the Check Engine light on my Jeep Wrangler?
If the check engine light on the dash of your Jeep is on, stop into an auto parts store and ask them to scan your Jeep for codes. Nearly all major auto parts store offer this service for free.
How can you tell if your throttle position sensor is bad?
The most common symptom is your check engine light. This indicator is a vague symptom, as it could also point to a variety of issues, but you can expect to see it if there’s any issue with your throttle position sensor. Next, any unusual changes in your acceleration could be linked to this sensor.
How can I check the temperature of my engine?
The system should be checked with an infrared temperature probe to see if the temperature of the engine is close to that the computer is seeing from the coolant sensor. If the coolant temperature sensor input to the computer is within about ten degrees of what the infrared tested is reading on the outside of the sensor then this would be okay.
Is there a resistance test for a crank sensor?
In case you’re needing a resistance test of the crank sensor, I hate to tell you that one does not exist. The crank sensor on your Jeep is a Hall Effect type sensor and it can not be tested by a simple resistance test.
Why are the wires on my Jeep not the same?
TIP 4: The color of the wires (in the image in the image viewer) may not match the ones on your particular Jeep. This is no cause for concern, as long as you keep in mind that the connector locking tab is on top (in the photo), the circuits (wires) will be the same.
If the CPS stops working, the Jeep simply will not run, though a malfunctioning CPS can cause the engine to run rough or start hard. The CPS isn’t difficult to change, and if you suspect a defective one, changing it may prevent you from being stranded when it stops working entirely.
Remove the old CPS and cable from the Jeep. Install the new CPS in the location that you removed the old one from, using the two 7/16-inch bolts. Route the cable from the new CPS up to the clip on the bell housing and install the cable under it.
The cause of the issue was a short in the crankshaft position sensor that disabled all powertrain and braking systems. All systems share the same 5 volt circuit into pcm. See all problems of the 2011 Jeep Grand Cherokee . The contact owns a 2004 Jeep Grand Cherokee.
The vehicle was taken to the dealer who diagnosed that the cam and crank sensors were faulty. The sensors were replaced but the vehicle continued to experience the failure. The contact indicated that the vehicle would also stall due to the main computer overheating. The vehicle was taken to the dealer who replaced the screws to the computer.
How to replace the crankshaft position sensor in 2000?
My Jeep Grand Cherokee 2004 Misfire cylinder 6 replaced spark plugs, coil pack, injectors, O2 sensors, and PCM. What could the problem be?
Where is the sensor on the crank pulley?
Simply locate your sensor on your engine block, usually at the bottom near the crank pulley. They’re usually bolted on with one small bolt. remove the bolt, gently twist and pull your sensor out. Unplug the sensor from the harness, and throw away.
My Jeep Grand Cherokee 2004 Misfire cylinder 6 replaced spark plugs, coil pack, injectors, O2 sensors, and PCM. What could the problem be?
Simply locate your sensor on your engine block, usually at the bottom near the crank pulley. They’re usually bolted on with one small bolt. remove the bolt, gently twist and pull your sensor out. Unplug the sensor from the harness, and throw away.
Why did I buy a Mopar crankshaft sensor?
I purchased this MOPAR CPS because after 30 years of building Jeeps you learn that the cheap aftermarket CPS are junk. However this one was a failure out of the box. Completely rebuilt everything in the Jeep, new motor, axles, trans, etc…installed all new sensors and ECM, Jeep would crank and run for a few minutes and die.
Is there a sensor for Crank no start?
Purchased this sensor and discovered that the magnet was very strong compared to the aftermarket that would hardly be able to stick to any metal surface. Had it installed yesterday and a auto shutdown relay that came up in a problem code. So everything related to “Crank No Start” has been replaced over several years.
I purchased this MOPAR CPS because after 30 years of building Jeeps you learn that the cheap aftermarket CPS are junk. However this one was a failure out of the box. Completely rebuilt everything in the Jeep, new motor, axles, trans, etc…installed all new sensors and ECM, Jeep would crank and run for a few minutes and die.
Purchased this sensor and discovered that the magnet was very strong compared to the aftermarket that would hardly be able to stick to any metal surface. Had it installed yesterday and a auto shutdown relay that came up in a problem code. So everything related to “Crank No Start” has been replaced over several years.
What to use to clean crank position sensor?
Installing the New Crank Position Sensor Before installing the new sensor use a shop towel to clean the position sensor port hole to ensure a proper seal to the new sensor O ring. Motor oil will be present at this port so do not spray carburetor cleaner inside the port. You can spray cleaner on the shop towel to aid the cleaning process.