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Old 04-18-2016, 02:03 PM   #1
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Exclamation My v6's engine is ticking Any ideas!

Hello everyone,

I got a quick question to ask... don't know if this has been answered before. I have notice a ticking sound in my engine usually when the ac turns on its a light tick at a full stop but when i rev my engine it start to tick really loud, also it starting to tick sometimes when the ac is not on it just get really annoying since it never ticked before. Am i in need of a new ac compressor or is it the clutch that needs replacement?


- Thank you everyone for any info you guys and gals have for me ill will upload a video of the sound it makes.
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Old 04-18-2016, 02:12 PM   #2
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That's going to be tough to answer without hearing the noise. A tick can be one of many things. The location of the noise will help you determine the cause also.

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Old 04-18-2016, 02:18 PM   #3
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Thank you,
I'll upload a video of the sound later today.
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Old 04-18-2016, 02:24 PM   #4
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Not sure if this helps but I head a tick in my engine bay recently on my 05 it ended up being the belt tensioner.


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Old 04-18-2016, 03:00 PM   #5
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Check belts. A lot of times if you hear a click that gets faster with RPM it could be a crack in one of the belts clicking as it goes around. Check those first and if you can't find any cracks then move to the more expensive scenarios.
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Old 04-18-2016, 03:42 PM   #6
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Videos

First video will be a comparison of the off and on ac.
The second video is just me slow revving the engine.
and the last one will show where i think the sound is coming from.
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Old 04-18-2016, 05:06 PM   #7
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get a 2-3' length of hose and CAREFULLY use it as a mechanics stethoscope.

a hint might be to NOT leave the windshield defrost (ie direct air to feet) the defrost position will often turn on the AC....hard to tell but it sounded like it was coming from AC.

Parker's belt idea is good as was Mustang Mans tensioner's
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Old 04-18-2016, 10:05 PM   #8
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Quote:
Originally Posted by alanuriel1 View Post
First Video Shows the ac off and then i turn on the ac.
The second video shows that what the sound is coming from.
and the last one just me slow revving the engine.
I'm going to need to hop on a computer and take a listen. My phone is not converting the video.

My computer is better anyway. I can pull up the image in my studio and listen using the audio monitors. There is an advantage.

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Old 04-18-2016, 10:28 PM   #9
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I think it might be your A/C compressor clutch.


You can use a LONG screw driver and make a fist at the very end of the handle and put your ear to your fist, then touch the tip of the screw driver to the A/C unit and other parts to pinpoint the noise. I would NOT use a 3" anything as your ear/head will be way to close to the running engine. If you have long hair, a necklace, loose hood, etc it could get sucked into the pulley and then you have a lot more problems than a ticking noise.


Good luck, be safe and keep us updated.
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Old 04-18-2016, 10:29 PM   #10
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Thank you!

Alright cool thank you!
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Old 04-19-2016, 05:26 AM   #11
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Quote:
Originally Posted by Hawkstang View Post
I think it might be your A/C compressor clutch.


You can use a LONG screw driver and make a fist at the very end of the handle and put your ear to your fist, then touch the tip of the screw driver to the A/C unit and other parts to pinpoint the noise. I would NOT use a 3" anything as your ear/head will be way to close to the running engine. If you have long hair, a necklace, loose hood, etc it could get sucked into the pulley and then you have a lot more problems than a ticking noise.


Good luck, be safe and keep us updated.
D'oh....I said foot as I typed it.
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Old 04-19-2016, 07:34 AM   #12
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So far I think you have been given solid advice. Listening to the recording makes me want to say your noise is in the serpentine belt system somewhere. At the moment I would be hesitant to say you have a valve or bearing noise (check your oil anyway). Thoroughly inspect the belt for cracks as others have said. Also check each pulley for cracks or other problems. A crack in a pulley will sound like a tick as it spins under pressure.

Watch the belt tensioner while the engine is running. Is it bouncing in rhythm with the ticking sound? If you put pressure on the tensioner with a breaker bar, does the tensioner click as you add and release pressure (that would be an easy repair and a blessing).

The A/C compressor should be lubricated by the refrigerant and oil that circulates in the A/C system. Make sure you are getting cold air (I have purchased a $3 meat thermometer before and placed it in the vents to measure A/C temperature). If the A/C is not blowing cold, a simple service may clear the noise up.

Let us know what you find out and I will keep going through a process of elimination. That ticking noise is not just annoying, it could be a small problem or the beginning of a larger issue that you can prevent.

My apologies for not responding sooner.
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Old 04-19-2016, 08:13 AM   #13
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Is your car still under warranty? I'm guessing not since you are trying to self diagnose but if it is... I'd have already taken it in.
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Old 04-19-2016, 11:35 AM   #14
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Quote:
Originally Posted by alanuriel1 View Post
First video will be a comparison of the off and on ac.
The second video is just me slow revving the engine.
and the last one will show where i think the sound is coming from.
Sounds like a belt to me. Every worn belt with cracks I've had has sounded exactly like that. To check belts just reach in while the engine is off and cold and run your hand along them, if you find a ridge or gash that's your problem.
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Old 04-20-2016, 12:29 AM   #15
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Thank you everyone for your help, i did do the method of me using the screw driver and didn't really hear the ticking with in the engine parts. I took off the main belt and looks good no cracks on it. I did notice the belt where the ac compressor is located looks kinda faded out. Only problem is that I'm not sure how to take off the belt to check. Can you guys help me in how to remove the belt off?
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Old 04-20-2016, 12:32 AM   #16
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Isn't this a serpentine system? I thought it was. Am I wrong?

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Old 04-20-2016, 12:49 AM   #17
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Engine Diagram

The one in red is the one I'm trying to remove but not sure how?
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Old 04-20-2016, 05:09 AM   #18
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I believe it is one of your 3 AC actuator's under your dash, I had this problem just last month, I'm out of warranty but Sarasota Ford replaced the bad one for about $200 and gave it a 2yr warranty. Hope this helps.
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Old 04-20-2016, 06:20 AM   #19
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Quote:
Originally Posted by alanuriel1 View Post
The one in red is the one I'm trying to remove but not sure how?
There should be a bolt on a tensioner / idler pulley that you will need to pull. This will loosen the entire belt. Once you slip the belt off of one pulley it will slide off of the rest.

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Old 04-20-2016, 08:13 AM   #20
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Also if for some reason you don't want to do it yourself any brakes plus or a store like that will probably do it for around $125. I had to take my KIA in once because it's a FWD and the car had to be lifted to take the belts off and it wasn't too much.

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Old 04-20-2016, 08:37 AM   #21
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If possible I would suggest inspecting the AC belt without removing it. It's a stretchy belt and can be a little effort to remove. The serpentine belt must be removed before the AC belt will come off.
But if you must remove and replace you can refer to this...
Ford Service Manuals - REMOVAL AND INSTALLATION
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Old 04-20-2016, 09:01 AM   #22
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Originally Posted by parkerbickel View Post
Also if for some reason you don't want to do it yourself any brakes plus or a store like that will probably do it for around $125. I had to take my KIA in once because it's a FWD and the car had to be lifted to take the belts off and it wasn't too much.

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I will inspect belts for $125 all day long if they only needed to remove the belt. That is a high price in my opinion.

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Old 04-20-2016, 09:22 AM   #23
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I will inspect belts for $125 all day long if they only needed to remove the belt. That is a high price in my opinion.

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The $125 on my KIA was for removing and replacing all 3 belts and a wheel alignment, that 125 include parts and 1 hour labor. Only reason I took it in was because they put the belts under the engine so you had to go up from the bottom and take both front wheels off. I just figured I would pay them since they had a lift and I needed it done that night. Mustang belt would be easier to get to where I could do it in my driveway but I was just throwing an option if he wasn't mechanically savvy and wanted someone else to do it.
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Old 04-20-2016, 09:26 AM   #24
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I will inspect belts for $125 all day long if they only needed to remove the belt. That is a high price in my opinion.

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Have you changed out the AC belt on a Mustang?
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Old 04-20-2016, 09:27 AM   #25
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Originally Posted by parkerbickel View Post
The $125 on my KIA was for removing and replacing all 3 belts and a wheel alignment, that 125 include parts and 1 hour labor. Only reason I took it in was because they put the belts under the engine so you had to go up from the bottom and take both front wheels off. I just figured I would pay them since they had a lift and I needed it done that night. Mustang belt would be easier to get to where I could do it in my driveway but I was just throwing an option if he wasn't mechanically savvy and wanted someone else to do it.
I have to admit, I would prefer a lift for what you had done also. That would be a pain to do with jack stands.

I am procrastinating the replacement of my Mustang's throw out bearing because I don't want to crawl under the thing. It would be nice if I had a friend that could help (motivation and distraction is sometimes a good thing).

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Old 04-20-2016, 09:31 AM   #26
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Have you changed out the AC belt on a Mustang?
Unfortunately, yes I have. I have had the experience of tearing apart the entire front ends that have been in a collision. It is not something I enjoyed. Some are easier than others, but they are all built in a compact manner.

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Old 04-20-2016, 10:35 PM   #27
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thanks for the advice guys ill try to see if i can get the ac belt off, and also check out the AC actuators too
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Old 04-20-2016, 10:46 PM   #28
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This forum is awesome for answers questions. Lots of quality people on here!

Keep us posted please
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Old 05-17-2016, 11:10 AM   #29
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Did you ever figure out what was causing the noise?
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Old 05-17-2016, 11:35 AM   #30
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Hey, sorry i havent figured out whats causing the ticking and havent had time to get it checked since i been to busy with my studies
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