Tapping noise
Thread Starter
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Senior Member
Joined: Sep 2002
Posts: 541
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From: Glendale, Az.
Just talked to my mechanic today & here's what he thinks is what happened. The plug started to come loose and was not able to ignite the gas so I was missing on one cylinder. The tapping sound was from the rod bearing because the piston was not being pushed down, rather it was being pulled down causing the tapping sound. Any other thoughts?
Senior Member
Joined: Jun 2007
Posts: 5,522
Likes: 6
From: Utah
I had this problem tonight. I just changed my oil last month at a local shop since i was getting my inspection anyway. I used a mechanical stethoscope to listen for a change in sound on the oil pan and exhaust manifolds. There was no difference in sound.
My heart dropped because I knew it had to be my engine knocking.
Just like your truck, my oil pressure gauge read perfect, but also hadn't moved.
After taking it to a ford dealership for a quote for a new engine, the technician checked out my vehicle and quoted me...
Later that night it was still eating at me that this had happened so I went out and did the one thing nobody else had checked...the oil (since i had just gotten it changed, i totally disregarded the idea)
My oil pan was bone dry. After filling up the oil tank, the knocking was gone and the gauge read the same as always.
Skip the nonsense that I went through and check the oil if you already haven't :P
On another note, The fact that my oil pan was dry, and there was no leakage on my driveway, AND i just got it changed last month. I'm at a loss as to what could have happened to my oil.
My heart dropped because I knew it had to be my engine knocking.
Just like your truck, my oil pressure gauge read perfect, but also hadn't moved.
After taking it to a ford dealership for a quote for a new engine, the technician checked out my vehicle and quoted me...
Later that night it was still eating at me that this had happened so I went out and did the one thing nobody else had checked...the oil (since i had just gotten it changed, i totally disregarded the idea)
My oil pan was bone dry. After filling up the oil tank, the knocking was gone and the gauge read the same as always.
Skip the nonsense that I went through and check the oil if you already haven't :P
On another note, The fact that my oil pan was dry, and there was no leakage on my driveway, AND i just got it changed last month. I'm at a loss as to what could have happened to my oil.
Thread Starter
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Senior Member
Joined: Sep 2002
Posts: 541
Likes: 0
From: Glendale, Az.
I doubt it, I'm sure I would have heard the tapping noise from the top of the motor, which I didn't. The noise was loudest from the bottom.