1997 Civic EX. Stock D16Y8 Vtec. Automatic Transmission. 155K miles. Purchased with 148k on odometer. No service records. Very slow oil leak from rear main seal: 1/2 qt or less every 3 to 4 months.
Recent repair history (within 6 months): TB kit, HG replacement including valve lapp, new stem seals, resurfacing and cleaning. Valve lash adjustment: .008 intake. .010 exhaust

From cold start up until temp gauge at "Warm" mark (approx. 2 to 3 minutes) engine emiiting ticking noise that seems to come from under valve cover. After the engine is warm the ticking noise is no longer audible. Googling turns up this: https://www.google.com/?gws_rd=ssl#q...ise+cold+start . Some threads mention LMA: Lost Motion Assemblies. However, the engine in those threads are DOHC's and I am not sure if the D16's SOHC employs the LMA.
Loose wrist pins also come up on some threads.

Also, the engine vibrates the car somewhat excessively at idle and I have attributed this to the Anchor brand mounts that I used for replacement 5k miles ago (all are in good shape). I am now wondering if there is a correlation between the ticking sound and increased vibration.
All advice and suggestions appreciated.

 

Low engine oil or low oil pressure?

Last oil change and filter?

 

Oil and filter changed two weeks ago. Oil level at top of fill line. Ticking noise for at least the past 3 months. No CEL's or oil light.

 

valve lash done lately?

 

Yes (initial post) 5 months ago after HG repalcement: .008 intake, .010 exhaust.

Does the D-series have a Lost Motion Assembly?

 

Yes

D16Y8 Major Overhaul | ClubCivic.com - Your Online Civic Community

your helms manual should confirm this as well.

AAYYYEEE, RonJ is featured in that link.

 

Just because the valve lash was done, doesn't mean it held. Double check to make sure it's still within spec. The oil light is a dummy light - just because it isn't on doesn't mean you don't have low oil pressure. Get an oil pressure gauge, and give us an actual oil pressure number.

 

Thanks for that link Tony. Thanks everyone for all the replies so far.

I'll check valve clearances again but, many of the post I read valve lashes were done or repeated and it did not solve the issue.
I never used an oil pressure gauge. Should I follow this:

 

You should stop finding random Youtube videos, and go download the FSM. Follow the procedure there.

 

Just watched Seahawks lose and now watching Denver's soon to be loss. I'll take a look at the FSM.. downloaded it a year ago.

Peyton Manning playoff wins 11, losses 13. Down, set. Omaha, I suck under pressure!, Omaha, another playoff loss, Omaha, hut-hut Lol

 

I'm rootin for Peytin, let the guy win 1 more. **** the Colts.

 

Now I'm rooting for Peyton to beat Tommy' and the Pats.

 

amen

 

Digging through several more threads on the subject I am chaulking this up as normal 1.6L noise. Too many responses saying their engines does the same thing. My son's friend said both of his 6th gen D and B series made the same noise the first few minutes when engine is cold.

A possibility that does resonate with me is this copied and pasted response from another forum: "Noise coming from the injectors is common from what research i've done, especially the older they get. And injectors will pulsate faster when the engine revs, so if the noise gets faster as the engine revs, it is not necessarily the valves."

An injector(s) out of spec could possibly explain the excessive vibration (not a misfire) I mentioned previously.

 

yes its possible you could be hearing injector clicks. you just need a stethoscope to verify.

 

this may be FAR from your solution...and I mean FAR. but I got a 97 ek auto with 240k. when its cold it ticks for a few mins after start up, but once it gets warmer all is good. I added a small shot of Lucas oil treatment and blamo ticking gone. I was told the ticking was from "dry start" conditions. When the oil is to cold and it takes time to thin out enough to spread out. not sure if its true or not but my warn engine has to last only long enough for me to but my b20 in.

 

I'll scope it out. Thanks

 

On other threads Lucus has been mentioned too. I might try it a few hundred miles before the next oil change. I am not a believer in additives but, not all of them can be discounted either.

 

Well slap my hogg! ... piston-slap it is.

 

Damn....after all that work you put in. So whats next.

 

Nothing. Piston slap is fairly common in older engines and doesn't effect engine life. Below is very good video explaining piston slap: