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99 Ram 2500 V10 with a tick tick tick noise. #2713781
11/07/19 05:39 PM
11/07/19 05:39 PM
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Sonoran desert, Arizona, USA
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moparjo68 Offline OP
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99 Ram 2500 with 153,000 and a V10 that all of a sudden starting a tick tick tick noise while running/idling. The noise came on instantly. I immediately did a compression test. High number was 160. Low number was 135. I saw a youtube video that someone had the same ticking noise as my truck engine. He removed the valve cover and a rocker arm bolt had sheared off causing the tick noise.

My question is: Without removing the valve covers to look for broken/loose rocker arm bolts, would the compression test readings tell me what I need to know.
Meaning: wouldn't I get a real low reading if the intake valve can't open and no air is able to enter the cylinder on the piston's downward stroke?

Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: moparjo68] #2713785
11/07/19 05:57 PM
11/07/19 05:57 PM
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This isn't answering your question but the first thing I do when I hear a "tick" is to get out the stethoscope. You can isolate the area where the "tick" is coming from.

It could be an exhaust leak.

Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: moparjo68] #2713799
11/07/19 06:57 PM
11/07/19 06:57 PM
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One of those video boroscopes with a camera head less than 9 mm in diameter might be able to get in and let you see the valve train. The USB borescopes that attach to cell phones or tablets are very reasonably priced now.

Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: moparjo68] #2713801
11/07/19 07:02 PM
11/07/19 07:02 PM
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My 2004 Dodge Ram 1500 has had a ticking noise since it was new. The only time I really hear it is when I pull into the drive thru window at the bank. When I'm inside that drive thru tunnel I can hear a tick tick tick. No idea what it is, been that way for 15 years without fixing itself or getting worse.

Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: AndyF] #2713842
11/07/19 09:33 PM
11/07/19 09:33 PM
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Sonoran desert, Arizona, USA
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moparjo68 Offline OP
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I tried to use the stethoscope before I posted to pinpoint the noise but it didn't help me. The best I can pinpoint, it sounds like its coming from drivers side. When the noise first started, I was driving it...............and I felt a power loss...............like the loss of a cylinder. I checked all plug wires. They are all snug. Also, I made sure each cylinder was getting fire......and they are.

Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: moparjo68] #2713890
11/08/19 08:42 AM
11/08/19 08:42 AM
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Possible crack in the exhaust manifold Or warped on the face of the manifold


71 demon stock stroke 440/indy ez-1 running 10.10 @ 132.14 mph in the 1/4 and 6.36 @ 107.46 mph in the 1/8 not in the same weekend but It did it then I sold it.
67 Belvedere that worked it's way in the 10's
Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: moparjo68] #2713902
11/08/19 09:43 AM
11/08/19 09:43 AM
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Originally Posted by moparjo68
99 Ram 2500 with 153,000 and a V10 that all of a sudden starting a tick tick tick noise while running/idling. The noise came on instantly. I immediately did a compression test. High number was 160. Low number was 135. I saw a youtube video that someone had the same ticking noise as my truck engine. He removed the valve cover and a rocker arm bolt had sheared off causing the tick noise.

My question is: Without removing the valve covers to look for broken/loose rocker arm bolts, would the compression test readings tell me what I need to know.
Meaning: wouldn't I get a real low reading if the intake valve can't open and no air is able to enter the cylinder on the piston's downward stroke?

160 to 135 is too much of a difference between cylinders if you ask me. Yes the compression will be lower if the intake valve can't open at all, might be higher if the exhaust can't open but even if they partially open then compression will be affected. I think you need to pull the rocker covers.


"Follow me the wise man said, but he walked behind"


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'74 W200 Crew Cab 360, NV4500, D44, D60 and NP205 divorced transfer case. Rear disc and hydroboost coming soon!
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Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: Guitar Jones] #2714019
11/08/19 04:11 PM
11/08/19 04:11 PM
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It's a dry heat
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Mine had a similar issue and with a dead miss.

Pulled valve covers and found broken bolt in the rocker arm stand

Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: gtx6970] #2714027
11/08/19 04:46 PM
11/08/19 04:46 PM
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Hamtramck, PA
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Quote
He removed the valve cover and a rocker arm bolt had sheared off


The same exact thing happened to mine with 48K miles on it.

Pull a valve cover & take a look.

Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: Alaskan_TA] #2715768
11/14/19 04:02 PM
11/14/19 04:02 PM
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Sonoran desert, Arizona, USA
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moparjo68 Offline OP
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OK. Here's an update. I just removed the valve cover from driver's side. The valve train looks good. No sheared off bolts. Everything is snug. No loose parts. No broken valve springs. But here is what really concerned me. I noticed small traces of anti freeze pooling in the head. What does that mean?

Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: moparjo68] #2715795
11/14/19 04:51 PM
11/14/19 04:51 PM
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Irving, TX
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Originally Posted by moparjo68
OK. Here's an update. I just removed the valve cover from driver's side. The valve train looks good. No sheared off bolts. Everything is snug. No loose parts. No broken valve springs. But here is what really concerned me. I noticed small traces of anti freeze pooling in the head. What does that mean?


That means really bad things.

Most likely culprit is a crack in a cylinder head.That's the only way i can think of coolant getting under the valve cover other than being blown in through the breather. That, in itself, would also be a very bad thing.


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Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: feets] #2715963
11/14/19 11:06 PM
11/14/19 11:06 PM
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Sonoran desert, Arizona, USA
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I was afraid when I saw the anti freeze under the valve cover that the motor was toast. I just stopped working on it and figured its time to hunt another v10.

Last edited by moparjo68; 11/14/19 11:06 PM.
Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: moparjo68] #2716182
11/15/19 06:49 PM
11/15/19 06:49 PM
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Downtown Roebuck Ont
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Originally Posted by moparjo68
I was afraid when I saw the anti freeze under the valve cover that the motor was toast. I just stopped working on it and figured its time to hunt another v10.


First thing I would do is crack the drain plug in the oil pan and see how much green comes out first. Then I'd pressure test the cooling system before I went into panic mode.

Kevin

Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: Twostick] #2716205
11/15/19 07:43 PM
11/15/19 07:43 PM
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It's a dry heat
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Originally Posted by Twostick
Originally Posted by moparjo68
I was afraid when I saw the anti freeze under the valve cover that the motor was toast. I just stopped working on it and figured its time to hunt another v10.


First thing I would do is crack the drain plug in the oil pan and see how much green comes out first. Then I'd pressure test the cooling system before I went into panic mode.

Kevin


This ^

Re: 99 Ram 2500 V10 with a tick tick tick noise. [Re: gtx6970] #2730965
01/07/20 11:13 PM
01/07/20 11:13 PM
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Sonoran desert, Arizona, USA
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Update: I did a coolant pressure test on the dodge V10. I pumped it up to 15-16 lbs. After about two hours, it had only dropped to 14 lbs. Looking down into the radiator, the coolant looks oily but draining the oil from the crankcase, I didn't notice oil and anti-freeze mixed together. Any thoughts?







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