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Got a problem with my truck, any GM mechanics play EVE?

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DarkMatter Amarr Mineral Aquisition Group	Posted - 2007.01.03 18:56:00 - [1] My Problem The ticking noise is driving me nuts... I really don't want to tear into the engine to see what it is... It's only happened 4 times so far (105000 miles on the truck), and it's a noise like I have never heard before... It almost sounds like an intake valve is not closing fully and fuel/air mixture is being ejected into the exhaust manifold and ignited by exhaust? Is that even possible? Would that mean itÆs a weak valve spring? The engine light has never come on in this thing... The noise only lasts like a minute, so I canÆt drive the truck anywhere to let anyone listen to it, lol! Newest toy for my 63 acre sandbox Building the homestead
DarkMatter Amarr Mineral Aquisition Group	Posted - 2007.01.03 18:56:00 - [2] My Problem The ticking noise is driving me nuts... I really don't want to tear into the engine to see what it is... It's only happened 4 times so far (105000 miles on the truck), and it's a noise like I have never heard before... It almost sounds like an intake valve is not closing fully and fuel/air mixture is being ejected into the exhaust manifold and ignited by exhaust? Is that even possible? Would that mean itÆs a weak valve spring? The engine light has never come on in this thing... The noise only lasts like a minute, so I canÆt drive the truck anywhere to let anyone listen to it, lol! Newest toy for my 63 acre sandbox Building the homestead
Gothikia Revelations Inc. Shroud Of Darkness	Posted - 2007.01.03 19:46:00 - [3] Edited by: Gothikia on 03/01/2007 19:48:28 nvm _________________________ ISD pwned my last sig.. just imagine a really hawt guy with cool eye makeup on and a pic of a deimos with my name on it... gothie > mods tbh, muahaha one love, gothie &#
Xelphior Caldari Constructive Influence	Posted - 2007.01.03 19:57:00 - [4] shouldnt it have warranty your truck or sommet?
Paddlefoot Aeon Neogen Industries Serenity Fallen	Posted - 2007.01.03 20:00:00 - [5] Originally by: Xelphior shouldnt it have warranty your truck or sommet? Not after 100k miles! -----------------------------------------------
solidshot Sebiestor tribe	Posted - 2007.01.03 20:00:00 - [6] When does it do it? on start up? could be a hydraulic tappet not pumping up properly some vauxhalls used to do it when their oil wasn't changed regulary and can be ocasionally fixed by flushing out your oil system useing flushing oil and then replacing the oil and filter, although sometimes you need a new hydraulic tappet. could also be some wear showing in the cam that is only showing when you first start up and before the oil pump has had a chance to get up to pressure?
DarkMatter Amarr Mineral Aquisition Group	Posted - 2007.01.03 20:03:00 - [7] Originally by: Xelphior shouldnt it have warranty your truck or sommet? I have no problem being able to fix it, just can't quite diagnose the problem... As far as a warranty? Well this truck only came with a 3 year or 30,000 mile warranty... It's 8 years old and has 105k miles on it, way past warranty... Normally I can figure stuff like this out, was an auto mechanic for 5 years, but this one has me stumped... All kinds of ppl play EVE, so who knows, maybe someone can help! DS, you're supposed to know everything right? Tell me how to fix my truck man! Newest toy for my 63 acre sandbox Building the homestead
DarkMatter Amarr Mineral Aquisition Group	Posted - 2007.01.03 20:09:00 - [8] Originally by: solidshot When does it do it? on start up? could be a hydraulic tappet not pumping up properly some vauxhalls used to do it when their oil wasn't changed regulary and can be ocasionally fixed by flushing out your oil system useing flushing oil and then replacing the oil and filter, although sometimes you need a new hydraulic tappet. could also be some wear showing in the cam that is only showing when you first start up and before the oil pump has had a chance to get up to pressure? Well, I'm familiar with lifter (tappet) knocking, and to me, this is not that... I have never missed changing the oil, did it every 3000 miles, and know it's clean in there... If the problem persists I'll certainly try an oil flush... And yes, it only does it at cold startup, for a minute or so... You have to actually let it sit for 12 hours or so in order for the noise to occur again... It did it back in March under very similar weather conditions, but only did it twice... All summer/fall long, no noise... And all of a sudden, it happened this morning (which is not the coldest morning recently) Almost sound like air being slammed through valve that is only slightly *****ed open. A ticking sound with a HISS noise with it... Very hard to describe, but it way louder than any lifter/valve train noise I've ever heard... Newest toy for my 63 acre sandbox Building the homestead
Gunstar Zero Caldari Reikoku Band of Brothers	Posted - 2007.01.03 20:27:00 - [9] air con? </random>
DarkMatter Amarr Mineral Aquisition Group	Posted - 2007.01.03 21:02:00 - [10] Originally by: Gunstar Zero air con? </random> When it happened last March, yeah, I heard the noise near the compressor pump, thought it might be a valve on the AC pump... But back then I kept looking on top of the engine for the noise, and it only happened twice, for a total of 2 minutes, so had very little time to find the source of the noise. When it happened today, I crawled right under the truck and followed the noise, it lead me to the passenger side exhaust manifold, right above the starter... That's where it's the loudest... Even if the noise goes away and doesn't come back for another 9 months I will go crazy... I need to figure it out... Keep the suggestions coming! Newest toy for my 63 acre sandbox Building the homestead
Revona	Posted - 2007.01.03 23:12:00 - [11] Scoundrelus is a mechanic. He'll probably charge you isk though XD Naw, just PM him in-eve and see if he has time :) Always worth a shot!
jason hill Caldari Nightmare Holdings	Posted - 2007.01.05 11:02:00 - [12] you sure it isnt just the hamsters playing up "THE HUMAN SHIELD"
ThaMa Gebir Gallente Raddick Explorations	Posted - 2007.01.05 13:50:00 - [13] Ok, I am no mechanic (least my job ain't so) but I think through reading your posts in the other thread an here it sounds like some part isn't quit sittign right or needs to heat up before it seals right. Try the head gaskets etc. perhaps they aren't perfectly sealed. Would like to know if any of that was right I just said. Lets see if my sig can survive this round of *****ing There will be no survivors now that i'm around - Xorus pwnt - Immy!!!11
DarkMatter Amarr Mineral Aquisition Group	Posted - 2007.01.05 16:11:00 - [14] Originally by: ThaMa Gebir Ok, I am no mechanic (least my job ain't so) but I think through reading your posts in the other thread an here it sounds like some part isn't quit sittign right or needs to heat up before it seals right. Try the head gaskets etc. perhaps they aren't perfectly sealed. Would like to know if any of that was right I just said. I'll be working on it this weekend, hope I figure it out... I certainly hope it's not a head gasket! Newest toy for my 63 acre sandbox Building the homestead
Viktor Fyretracker Caldari Worms Corp	Posted - 2007.01.06 13:25:00 - [15] what about the ABS system caught in some test loop? i know my S10 Pickup makes a funny noise after i break 5 mph and thats it testing the ABS pumps/valves
Lunaticdie04 Evolution Band of Brothers	Posted - 2007.01.07 01:04:00 - [16] Maybe making sound recording and posting it up might help.
JaegerKnack Minmatar 5punkorp Interstellar Starbase Syndicate	Posted - 2007.01.07 03:09:00 - [17] Originally by: Lunaticdie04 Maybe making sound recording and posting it up might help. most ninja mechanics that i know would need a block of wood to figure out where exactly the noise was coming from, because hearing the noise isnt enough. from my (admitedly limited) experience with american metal, if the noise dissapears after a while (parts get warm), i'd check the moving parts of the: cooling system, charging system, ignition system, or my personal favourite (******* 2ltr twincam I-4 Ford motors) the exhaust manifold...
Gunther Dwendel Minmatar Texas Lone Star Spacers	Posted - 2007.01.07 04:17:00 - [18] There is a product in the US called Delco Top engine cleaner ( X66p ) It is used to remove carbon from the valves and pistons. Procedure to use: Afternoon of your last work day, remove the brake booster hose fron the booster. have a assistant start the truck and keep it running ( it will want to die with that huge vacuum leak ) Take that brake booster hose and stick in the X66 can and let it suck up some juice, repeat till half the can is gone. FLOOD the engine with the remainder. If it does not kill the engine have your assistant shut it down. The object is to get the valves all wet then get some juice siting on the pistons. Drainthe brake booster hose and plug it back on. Let vehicle sit overnite. Start it up next morning, same procedure as a fuel flooded car, hold the gas pedal to the floor, it will eventually start and run very bad of course and it SMOKE EXTREMELY BAD for 20 to 30 minutes. Do not start it in your garage! Once it quits smoking somewhat, take it out on the road and run the heck out it to clear the carbon out. I'm a 20 yr plus tech ( independent shop )and this procedure always gives dramatic results on old vehicles. It costs maybe $10.00 and some 1 hr of time. It is the closest thing I have ever found that I would actually call a tune up in a can. I hear SeaFoam will do the same.
Kittamaru Gallente TARDZ Gods of Night and Day	Posted - 2007.01.07 09:52:00 - [19] sounds like what my 1990 nissan pathfinder does It's oil warming up, so the engine "knocks" a little till the oil gets a flowing properly. Possibility?
Viktor Fyretracker Caldari Worms Corp	Posted - 2007.01.07 15:24:00 - [20] haha my 1995 Chevy S10(with the 4.3L Vortec V6) has this quirk that if i turn the engine off and bump the key back to run the engine will turn right back on again unless it makes its double knock. my only theory is that the Flywheel is so heavy if you turn the key to run it has enough momentum to fire up the engine again.
DarkMatter Amarr Mineral Aquisition Group	Posted - 2007.01.07 16:10:00 - [21] Edited by: DarkMatter on 07/01/2007 16:07:41 Hmm, all good ideas. Yes, I've used the old broom handle trick to find noises b4, however this noise just does not last long enough. The last two times, the noise lasted less than 10 seconds... I changed the plugs & wires for the first time yesterday at 105K miles, no carbon at all (on the plugs anyways), the engine seems pretty damn clean. I'm going to check the donut gasket on the y-pipe, see if I can tighten the nuts up. Maybe there is a pinhole exhaust leak, and that's the culpit. I can't think of what would heat up fast enough after 10 seconds... Exhaust is my only guess... Newest toy for my 63 acre sandbox Building the homestead
Tarquin Tarquinius Gallente Etruscan Kings	Posted - 2007.01.07 19:18:00 - [22] I have a friend who is used to be a GM mechanic. Next time I see him I'll try to ask about it if you don't solve it yourself by then. ...but if it only does it for a few seconds at startup in cold weather then why care? It's not going to make your truck ASPLODE or anything. ----- Traditional morality is just a clever way for the weak masses to shackle the strong individual. -- Callicles
DarkMatter Amarr Mineral Aquisition Group	Posted - 2007.01.07 23:47:00 - [23] Originally by: Tarquin Tarquinius I have a friend who is used to be a GM mechanic. Next time I see him I'll try to ask about it if you don't solve it yourself by then. ...but if it only does it for a few seconds at startup in cold weather then why care? It's not going to make your truck ASPLODE or anything. I've worked on cars/equipment stuff all my life growing up, and now I'm a Mechanical Engineer for a living. I guess I have a very hard time "letting things go" if I don't know what the exact problem is... Normally I can diagnose very quickly, I'm struggling this time however... What's killing me is that it has only done it 5-6 times, and with a 9 month dry-spell in between... I looked at the donut gasket on the exhaust manifold, I see no carbon on the outside of it at all, leading me to believe that's not the problem... No, I don't think my truck will explode beacuse of this, but I want to get 200-250k miles out of this truck, so like to solve problems very early on... Newest toy for my 63 acre sandbox Building the homestead
Viktor Fyretracker Caldari Worms Corp	Posted - 2007.01.08 03:38:00 - [24] id find a shop that will let you hook up to the computer, sad thing today but many problems can be checked out by hooking the ECU to the computer at a shop. and then see if they sell ECU IIs(sorry had to slip and EVE-ish comment in)
solidshot Sebiestor tribe	Posted - 2007.01.08 10:10:00 - [25] Originally by: DarkMatter What's killing me is that it has only done it 5-6 times, and with a 9 month dry-spell in between... In exactly the same situation with a fiat 1.9 jtd van i have at the minute, some morning's i go out to it and it will start first turn of the key, others it will start then will not pick up off of tickover and with zero throttle responce and the engine will then die as though it's run out of fuel or being choked and other's it won't start at all looks like i gotta tow it 50 miles to the nearest fiat main dealer to get the faul codes downloaded to find the problem hopefully it's not the common rail fuel injection pump gone pop.
Logi3 sasha and co Brotherhood Of Steel	Posted - 2007.01.08 10:35:00 - [26] Solenoids for the injectors? There noisy on my Porsche 944? Bottom end on its way out? Valve spring nackered? Could be a bearing on the timing chain or something.
Logi3 sasha and co Brotherhood Of Steel	Posted - 2007.01.08 10:38:00 - [27] Originally by: DarkMatter In exactly the same situation with a fiat 1.9 jtd van i have at the minute, some morning's i go out to it and it will start first turn of the key, others it will start then will not pick up off of tickover and with zero throttle responce and the engine will then die as though it's run out of fuel or being choked and other's it won't start at all looks like i gotta tow it 50 miles to the nearest fiat main dealer to get the faul codes downloaded to find the problem hopefully it's not the common rail fuel injection pump gone pop. Sounds like Glow Plugs or you need a battery, some cars you wont belive how much they need to start. And in the winter, trying to start the car from cold, with the heaters on, sidelights etc + Glow Plugs could take 110amps+ will knacker your battery and wont have enough charge to heat the glow plugs enough. But, i think you need new glow plugs imo
solidshot Sebiestor tribe	Posted - 2007.01.08 10:50:00 - [28] Originally by: Logi3 Originally by: DarkMatter In exactly the same situation with a fiat 1.9 jtd van i have at the minute, some morning's i go out to it and it will start first turn of the key, others it will start then will not pick up off of tickover and with zero throttle responce and the engine will then die as though it's run out of fuel or being choked and other's it won't start at all looks like i gotta tow it 50 miles to the nearest fiat main dealer to get the faul codes downloaded to find the problem hopefully it's not the common rail fuel injection pump gone pop. Sounds like Glow Plugs or you need a battery, some cars you wont belive how much they need to start. And in the winter, trying to start the car from cold, with the heaters on, sidelights etc + Glow Plugs could take 110amps+ will knacker your battery and wont have enough charge to heat the glow plugs enough. But, i think you need new glow plugs imo Tried a new battery did bugger all
DarkMatter Amarr Mineral Aquisition Group	Posted - 2007.01.08 11:03:00 - [29] Originally by: Viktor Fyretracker id find a shop that will let you hook up to the computer, sad thing today but many problems can be checked out by hooking the ECU to the computer at a shop. and then see if they sell ECU IIs(sorry had to slip and EVE-ish comment in) Yeah, thought of that... I don't believe there are any codes, as the check engine light has never come on... Most garages around here charge a min of $80 USD to just hook up the scanner... Have not heard the sound since the new plugs & wires. I'll see if the noise comes back when the weather gets colder, right now winter is very mild here, no snow as of yet, which is very un-common for around these parts... Newest toy for my 63 acre sandbox Building the homestead
DarkMatter Amarr Mineral Aquisition Group	Posted - 2007.01.19 15:55:00 - [30] Well, I dropped the oil pan last weekend (had to drop the front differential as well ) to see if I had a broken pistion skirt. The bottom end looked to be in great shape, cylinder walls still have factory honing. While I had the pan off, I put in a new oil pump just because... It's been pretty cold this week, no noise yet... I'll keep my finger crossed... BTW, the pressure is about 5 PSI higher from the new pump vs. the old, so maybe that's all it was, I hope... Building the homestead

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