Discuss My GT makes a Ticking/Clicking noise. on AllFordMustangs.com, the place for Mustang enthusiasts.
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Bought a GT a few months ago and have been fixing up and restoring little things here and there (new seatbelts, replaced bad bulbs and sockets in the instrument panel, new shifter, better sounding exhaust, etc) but the one thing I can't fix is the ticking noise she makes.
Here are some clues that can possibly help you guys.
It sounds like a metal on metal popping in my exhaust pipes.
It's only noticeable when I pass a curb or another vehicle.
Most noticeable between 1500 rpms and 2000 rpms BUT it has to be under load. If I'm cruising in 5th gear sitting at 1800 it doesn't make the noise, I have to give it gas.
This one is odd, I just seafoamed my car. Now as we all know when you seafoam and then drive white smoke will come out of your car. WELL.. when the white smoke was coming out the tone of the "ticking" would change. When it was smoking the sound became much louder, like at least twice as loud and "slower". The ticking actually became slower and more drawn out. As soon as the smoke was gone it went back to normal haha.
I think it's important to note that the beast runs perfectly. She's super fast and enjoys the opportunity to be pushed, starts up awesome, chirps the tires around turns (On accident, still getting used to v8 torque), and gets way better MPG than my old 4.0 v6 somehow.
I've been to a mechanic who said it's normal. It's "valvetrain" noise. Was also told the same thing by a fellow new edge owner that I caught in passing. His mustang, however, did not make the sound. At first he was worried about piston slap but after hearing my car was quickly able to rule that out, thank god.
Do you guys have any ideas? I was leaning towards exhaust leak but the exhaust shop told me I'm good. Maybe the leak is farther up, like at the manifold?
Thanks guys :smilie
Edit: Forgot to mention the ticking isn't sporadic, it's relative to the RPMs.
Could be valvetrain noise or something mechanical along those lines, but usually stuff like that is noticeable any time the engine is running. Piston slap, from what I understand of it is usually only heard upon cold startup and goes away after it's warm. Fuel injectors do make a ticking sound and that is normal, but is generally only noticeable at idle and with the hood opened - they're not very loud.
"Under load" symptom is very indicative of spark knock (predetonation), generally speaking anyhow. Another thing worth checking out would be a minor exhaust leak. A likely place for that is where the midpipe bolts up to the ex. manifolds. Does the car have an aftermarket pipe or has any recent or known work in that area been done?
Also, the fact that you need to be driving past a wall or another vehicle - something for the sound to reverberate off, of makes me wonder if you're just trippin', like maybe it's all in your head. Any mechanical noise or detonation should not require a special condition such as that in order to be heard. My car has an o/r midpipe and when I drive alongside a soundwall or K-rail on the freeway I hear sounds similar to what you're going through but I figured out a long time ago that I was just being paranoid. I've heard spark knock and valve noise in other cars before, and I promise you don't need the sound waves bouncing off of anything in order to hear it.
2001 GT Convertible
All the usual bolt-ons 1967 Coupe
200 I6, C4
haha what I should have said is it gets noticeable when you pass a car or curb. If you are listening for the sound you can hear it just about anywhere, as long as the conditions that I described are right.
Update: I can without doubt confirm that the sound is coming from below the car close to where I sit. I was at idle and would give it gas while leaning out of the car to put my ear blow it. A sight to see, I'm sure.
I didn't hear it when the engine was revving, but rather when the engine was dying back down to idle.
VROOOOOM tick tick tick tick, and then nothing once the engine was at idle.
Sounds like the noise that just started on my car..clearly coming from the tranny. idle, revv and i hear tick-tick (metallic click)..press clutch and no noise. My issue could very well be tob or pilot bearing.
Sounds like the noise that just started on my car..clearly coming from the <acronym title="transmission">tranny</acronym>. idle, revv and i hear tick-tick (metallic click)..press clutch and no noise. My issue could very well be tob or pilot bearing.