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Loud ticking noise in 2.2 Ecotec
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Oct 21, 2014, 1:48 PM
Post #26 of 31
(3080 views)
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Re: Loud ticking noise in 2.2 Ecotec
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? Generally if oil pressure is REALLY under spec you have already done damage you are unlikely to fix. Unfortunately even accurate warnings on dash and this one showed that it could have both a gauge and would light a warning light that is still "like the problem was yesterday not now" type warning.
Yes, oil pump could be fixed if it was the only problem but the wear possible would likely be extensive. You would usually hear it as a dull knock when warm mostly at first.
If from a sludged up engine and pick up screen too late again IMO. Oil is the life blood of an engine - period. Additives to thicken can cover it some but it's just covering a problem and can cause its own. No magic in a can. If an engine can't behave on what it called for, for OE oil there's trouble.
All this if just very slight and this is the cause of your noise at that specific item discussed it might all be fine if fixed - can't know for sure but the info good or bad is valuable to be certain that it either IS or IS NOT the cause.
All this is checking to rule things in or out and sorry it's being such a hassle to do this. No question it takes tons of tools and they cost a fortune to do all this for assorted things routinely which is why is costs to just send everything out. When tools and experience are needed enough and too impossible + expensive for one time things sending the work out makes sense.
That goes for lots of things car or otherwise. Knowing is the important part,
T
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bluearc74
User
Oct 21, 2014, 2:31 PM
Post #27 of 31
(3071 views)
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Re: Loud ticking noise in 2.2 Ecotec
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Well thank you for the info. Highly appreciated. I sure do hope it isn't a low oil pressure issue. just running out of options. I was gonna take it into a local shop and he was guaranteeing that the timing set was the issue. The cost would be 1000 for labour and parts for two guides and the chain. I got three guides, tensioner, oil nozzle, cam sprockets, crank sprocket, bolts, cover gasket and chain for 350 delivered from engine crate depot and all GM oem parts. Now that that isn't the problem I will spend more time and money but atleast it wasn't a 1000.
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Hammer Time
Ultimate Carjunky
/ Moderator
Oct 21, 2014, 5:00 PM
Post #28 of 31
(3059 views)
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Re: Loud ticking noise in 2.2 Ecotec
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The oil pressure test should have been the very first thing done before any parts were changed but it appears to be the last.
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We offer help in answering questions, clarifying things or giving advice but we are not a substitute for an on-site inspection by a professional.
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bluearc74
User
Oct 21, 2014, 6:14 PM
Post #29 of 31
(3055 views)
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Re: Loud ticking noise in 2.2 Ecotec
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Yeah well it wasn't as three garages including GM pretty much 100%guaranteed it was the timing set issue with need of the updated tensioner. So that's why I went with that. This is also not the only forum that I have this issue on as it is best to get as much feedback as possible and the timing chain set was recommended everywhere else and not the oil pressure.
So now the funny thing is tonight on the way home from work I almost can't even hear the noise. At idle once I got home there isn't even the smallest of tick. Nor sure what the heck happened. The only quick thing I did last night was the filter housing cap and moved the timing chain tensioner back so the internal hole lines up with the hole on the tensioner. Faulty tensioner? It's weird anyway. I am still going to get my pressure checked. Might just take it in a garage as they will have the correct tools anyway.
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bluearc74
User
Nov 22, 2014, 12:03 PM
Post #30 of 31
(3040 views)
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Re: Loud ticking noise in 2.2 Ecotec
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So The noise got worse each day. My father in law who is a mechanic picked the car up,hauled it to his shop, dropped the oil pan and found that the top connecting rod bearing on number one had worn and slipped right around and was on top of the bottom rod bearing. So all along the starting of the ticking was in fact not the timing chain but resonated the sound in the middle on the number one side making it almost sound this way. He pulled the old motor and dropped a 2005 with 90,000km fro SGI in it in just under 4 hours. It purrs and sounds a heck of alot better.
The one thing I noticed is that the external timing chain tensioner still has the flat head and not the little nub on the end indicating that this is not the updated style. Do i wait and keep my new tensioner if it starts ticking? Or should I just go ahead, reset it, stick it in and pull the valve cover off and tap the tensioner and set it?
I took all the brand new parts out that I had put in the old motor and may just put them on ebay or something as they maybe seen 2 hours of use in the old motor and are perfectly fine. I have the crank and cam sprockets, guides, bolts ,oil nozzle,balance shaft chain tensioner, and timing chain plus the cover seals that i didn't need to use.
Here is a couple pics of the damage
Thanks for everyones help along the way!!
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 22, 2014, 1:35 PM
Post #31 of 31
(3032 views)
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Re: Loud ticking noise in 2.2 Ecotec
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I didn't re-read the whole thread but is of interest as what was finally found. We may never know how that happened or why it didn't blow up brand new right away with something like that. It would elude a lot of checking IMO.
There's a couple tests (perhaps already mentioned sorry) of cancelling a cylinder and when one is isolated noises should be tell tale. Double knocks, single knocks, deep dull knocks and more.
Had one now a couple years ago with a distinct lifter type tap - just one and only began after a couple minutes from stone cold. All tests showed fine. That case not going to toss too much at that car at all over it. It ran new with noise and never torn down. That one I'll only guess (6 or more techs heard it live and checked stuff not just me) that the cause was from it's history some known that an elder gentleman owned it from new, few miles but typical marks of rubbing tires and scrapes from a garage.
The guess was this guy was hard of hearing (my own grandfather was too) and revved the snots out of the engine stone cold as if to warm it up or fight with a carbed engine so it wouldn't flood out (96, 4.6 Ford) that you wouldn't need to do anything but turn a key and it wrecked a rod bearing somehow but didn't kill it. That one shut totally up with the one cylinder cancelled.
Owner (130 miles away) gave up and sold it right away not wanting to get into it more and cut loses so will never know for sure.
Glad for you that you know what caused the noise and guess the same will never know why it did that for sure and yet didn't just blow up on you to remove all doubt.
To me this type stuff is pretty rare without some reason as if defective new it should have shown up right away but can only guess.
Thanks for posting that it was found and another engine available fixed it. Good luck selling off any used parts but doubt you'll get too much for them,
T
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