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Old 10-06-2013, 07:31 PM   #1
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Unhappy New gasket, broken CTS??

I had a leaky Valve Cover Gasket, right up top, easy to replace... broke some stuff.

I think I broke the crank case breather tube (I know it's broke, but I think that's what you call it), it's the larger of the tubes that go into the top of the valve cover. I superglued and electrical taped it back together cus Autozone said I need to go to the dealer to get it. Is that ok?? For now anyway??

Now, my other question is if this could throw off the Coolant Temp Sensor, because that suddenly is throwing a P0118 at me after I got everything back together? Just replace the sensor?

I also twisted off one of my valve cover bolts, but it has over a dozen so that should be ok for a while right?? Can I ask 3 questions that are sort of related (but not necessarily) in one thread?

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Old 10-06-2013, 07:45 PM   #2
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Clean the connection going to that sensor. While replacing my power steering pump I bumped my sensor apparently and triggered that same code. Cleaned the connection and re seated and have had no problems since (about 2 months) the broken bolt you need to extract and put a new one in. The elbow you should be able to get at a junk yard.

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Old 10-06-2013, 07:54 PM   #3
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I did take off the connection and it was a little rusty but I put some electric connector goo in there and it still goes off. I tried to clear the code a few times, but it stayed on. I'm a little confused because when I hook up my laptop to TJ's computer it shows a temperature reading (got up to like 150 F, didn't drive it far), which means the sensor should be working right? That reading when I hook up to the computer shouldn't be reading from the gauge temp sensor right, because the gauge sensor and the computer sensor I thought were different?
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Old 10-06-2013, 08:04 PM   #4
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Quote:
Originally Posted by Joxwar View Post
I did take off the connection and it was a little rusty but I put some electric connector goo in there and it still goes off. I tried to clear the code a few times, but it stayed on. I'm a little confused because when I hook up my laptop to TJ's computer it shows a temperature reading (got up to like 150 F, didn't drive it far), which means the sensor should be working right? That reading when I hook up to the computer shouldn't be reading from the gauge temp sensor right, because the gauge sensor and the computer sensor I thought were different?
Yes they are different sensors. Did you clean the rust/corrosion off? May want to do that if you didn't.
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Old 10-08-2013, 08:34 AM   #5
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I replaced the sensor, all good now. I think rust got into the sensor where you can't really clean, so any wiggle could have made or broken the connection.

The crank case breather was only $10 from the dealership, FYI for anyone interested.
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Old 02-23-2014, 08:55 PM   #6
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I know this is a bit old, but I have the same thing. Just replaced the valve cover gasket, broke the breather elbow on valve cover and got the P0118.
What is different is my gauge on the jeep is showing temps but my scan tool app is not. Shows -40. So where is the other sensor so I can check it. I cleaned the one on the thermostat housing.
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Old 02-24-2014, 12:38 PM   #7
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On further review. There is only 1 sensor, and it is at the thermostat housing.
I cleaned the plug. The current sensor is only 6 months old and the dielectric grease had changed to opaque white and crumbly. The blades on the sensor were green with corrosion. So I cleaned them up, shot in some new dielectric grease and reconnected. All works as it is support to.
Not sure why for a while I was getting the dash to show temp but not my scan tool. Not too worried about that anymore as it works now.

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coolant temperature , crank case breather , p0118 , valve cover

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