Auto Repair - Roadshow forum

Question

Ticking noise, can't figure it out.

by rahaisley / March 14, 2018 7:00 PM PDT

Hi everyone, I have a 2012 Nissan Tiida (HR16DE Engine) I'm hearing a rapid clicking noise that only goes away briefly at about 2000rpm. I posted a video on youtube. What could this be?

Go to: https://www.youtube.com/watch?v=q2VGLXhz5mE

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Clarification Request
How many miles?
by R. Proffitt Forum moderator / March 14, 2018 7:39 PM PDT

Somewhere between 40,000 and 100,000 miles we should replace the timing chain or belt. Did it ever get changed and how many miles?

On a personal note, I had one of our cars developed a similar clicking and luckily it was very evident where the noise was. Off came the valve cover and a small part of a head bolt was found. Very strange but thankfully the bit didn't find its way to a place to do damage. Dodged a big repair bill there.

This was my lesson to not keep driving when there's a new clicking sound. Get it taken care of.

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Clarification Request
Is the noise louder...
by James Denison / March 15, 2018 10:23 AM PDT

...inside the car, or when looking under the hood? That pump looked OK to me. There's a bit of play or space to allow it to actually pump the oil between the rotating gears. Look at your belt or belts, make sure none are frayed. Look around the radiator fan, be sure it's not hitting anything.

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Hey James, I'll clarify
by rahaisley / March 17, 2018 2:06 PM PDT
In reply to: Is the noise louder...

The noise is louder under the hood. The mechanic used a feeler gauge to test the space between the gear teeth. Is that the proper way to test clearance of a twin gear pump? I'm starting to have some doubts about this mechanic even though I was under the impression that he was good because he's been doing this job for decades. What do you think of clogged up oil passages? I spoke with another mechanic and he thinks that could be causing it. He suggested doing an engine flush.

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feeler guage
by James Denison / March 17, 2018 2:24 PM PDT

That's the usual method.

Before I did any engine flush, I'd check the oil pressure. It can be done where the oil pressure gauge is.

All Answers

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Answer
Sounds a lot like lifter noise to me
by Steven Haninger / March 15, 2018 7:09 AM PDT

Mechanical lifters that need their clearances checked and adjusted periodically can make this type of noise. So can sticky hydraulic tappets. Symptoms that change between a cold and hot engine could be telling. Can you say this only happens when cold, or when warmed up? There are auto mechanics stethoscope type tools that can help pinpoint where the noise is coming from if you care to purchase such a tool.

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I use a piece of
by James Denison / March 15, 2018 10:17 AM PDT

...fish tank hose for that. Cheap, works.

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The sound goes away above 2000 rpm
by rahaisley / March 25, 2018 3:06 PM PDT

Hey guys, I still haven't figured this one out. I don't remember if i mentioned it but the noise goes away above 2000 rpm. Does this give anyone a clue as to what this could be? Please help.

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lol, yes I did mention it.
by rahaisley / March 25, 2018 3:07 PM PDT

I just realized I mentioned the 2000 rpm thing in my original post

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Answer
Noise
by landdchamp Forum moderator / March 15, 2018 8:18 AM PDT

Hi; I'm pretty certain that particular engine uses hydraulic lifters which are not adjustable. From what I heard on your video, the noise sounds louder than a lifter, though. I like Steven's advice using a stethoscope to pinpoint the noise before tearing things down. This engine uses a timing chain, a balance shaft chain, and a hydraulic chain tensioner. It is fairly common for the chain tensioners and guides to wear out. Make certain that you are using the correct weight oil for your vehicle and climate.
And, that the oil and filter are changed at recommended intervals, or sooner (which is best).
Good luck.
Loren

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More details
by rahaisley / March 15, 2018 8:58 AM PDT
In reply to: Noise

Hey guys, I posted the original question. Thanks for the replies. I changed the timing chain, tensioner, rails and spocket, but I'm still hearing the noise. (The sprocket was a used sprocket).
It makes that noise whether the engine is hot or cold.

landdchamp ... you mentioned a timing chain and balance shaft chain. What is the balance shaft chain? I changed the timing chain, could it be the balance shaft chain?

After changing the timing chain and checking the main and con-rod bearings as well as the lifters, my mechanic suspects the oil pump is making the noise, it's a twin gear oil pump and he says there's too much clearance between the gears causing it to "chatter". What are your thoughts?

Here are some pictures of the oil pump, it's extremely hard to find this oil pump.
https://photos.app.goo.gl/7xE9HtnqHGlkCrX43

Here is a video of the oil pump "chatter":
https://youtu.be/xuH6OCICSLw

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Noise
by landdchamp Forum moderator / March 15, 2018 2:02 PM PDT
In reply to: More details

Hi; We don't have that model of Nissan here in the states, so I pulled up specs for a 2012 HR16DE. It did show a balance shaft chain on the engine. It drives off of the crank pulley to a balance shaft that runs front to rear down the side of the block. But, I've never heard of it causing any issues other than a vibration if not used. The oil pump? Anything is possible. Very, very, rare to replace an oil pump, but like I said, anything is possible.
Good luck.
Loren

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Answer
Check oil and filter
by AutoClinix / March 19, 2018 4:49 AM PDT

When last did you change your begin oil and filter? I advice you check both

Link removed by moderator.

Post was last edited on March 19, 2018 6:18 AM PDT

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..
by AutoClinix / March 19, 2018 4:50 AM PDT
In reply to: Check oil and filter

I mean engine oil and filter

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