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Old 04-05-2012, 09:44 PM   #1
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Funny noise when i start engine

WHen my engine is cold and I start it up it makes a loud rattling noise, is this a lifter sticking or what else could be going on? If so how can I fix this
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Old 04-05-2012, 10:14 PM   #2
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Re: Funny noise when i start engine

Mine does it too but after it is ran about 2 min its all gone. idk what it is.
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Old 04-05-2012, 10:17 PM   #3
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Yes it does go away but seems to be getting a little longer before it goes away
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Old 04-05-2012, 10:27 PM   #4
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Idk it must be something common on 2vs cause my old truck did it too
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Old 04-06-2012, 12:06 PM   #5
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Ya it just started last month or so and I cannot stand it, i really want it to go away any help would be greatly appreciated!!
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Old 04-06-2012, 12:23 PM   #6
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Its because the oil hasn't gotten up there yet, that's the reason you don't get on it right away, you let it warm up.
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Old 04-07-2012, 12:52 AM   #7
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Can that hurt my engine, and how the heck do I get it to stop
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Old 04-07-2012, 01:28 AM   #8
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Quote:
Originally Posted by Csnow99gt
Can that hurt my engine, and how the heck do I get it to stop
I don't think so, most cars do it just check your oil, and as for stopping it goes there isn't really to much you can do
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Old 04-07-2012, 11:11 PM   #9
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Re: Funny noise when i start engine

Yup mine does it 2. Most likely normal
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Old 04-08-2012, 02:17 AM   #10
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Man there's got to be some way to stop this, it sounds like ****, pretty ghetto!
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Old 04-08-2012, 06:55 AM   #11
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Cam followers I believe, OHC engines do not have lifters, because they have no push rods to lift.
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Old 04-08-2012, 10:32 AM   #12
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What kind of oil and filter r u using???
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Old 04-08-2012, 10:43 AM   #13
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I have a k&n oil filter and 5w30 synthetic mobile one oil
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Old 04-08-2012, 01:29 PM   #14
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My 4v 04 Cobra does it also. It only does it the next day when the car sat all night. Yes, this is why you never jump right in the car an go because the oil is completely drained to the pan. I'm assuming it's pretty normal for these cara cause my other mustang did the same crap.
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Old 04-08-2012, 01:43 PM   #15
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Running a good oil filter with the anti drain back valve helps a lot
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Old 04-08-2012, 01:46 PM   #16
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The 4.6 and 5.4 trucks vans and suv's all do it. My 4.0 ranger did it as well.
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Old 04-08-2012, 01:57 PM   #17
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It's because the engine is starting up without oil pressure. It's nothing to worry about unless it continues for an extended amount of time. As soon as it goes away, that means it has full oil pressure.
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Old 04-08-2012, 09:14 PM   #18
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How long is an extended amount if time, cause it seems to be getting longer. Could this mean the oil pump is worn or going out?

---------- Post added at 09:14 PM ---------- Previous post was at 09:13 PM ----------

Quote:
Originally Posted by BaSohol
Running a good oil filter with the anti drain back valve helps a lot
What is anti drain back valve and Which brands have this?
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Old 04-08-2012, 09:24 PM   #19
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Quote:
Originally Posted by Csnow99gt
How long is an extended amount if time, cause it seems to be getting longer. Could this mean the oil pump is worn or going out?

---------- Post added at 09:14 PM ---------- Previous post was at 09:13 PM ----------



What is anti drain back valve and Which brands have this?
No morw by than a couple seconds. If I'm understanding your problem correctly. I hoinestly. Don't know what that means though, thatsjust wht I've experienced.
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Old 04-08-2012, 09:37 PM   #20
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I would say its more like a couple of minutes, I changed oil and filter today, and seem to help a little but didn't fix it
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Old 04-08-2012, 10:05 PM   #21
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Quote:
Originally Posted by Csnow99gt
I would say its more like a couple of minutes, I changed oil and filter today, and seem to help a little but didn't fix it


---------- Post added at 03:05 AM ---------- Previous post was at 03:00 AM ----------

Whoops, ok after reading it again, its just a different noise I'm thinking of. I would agree that its just the valvetrain ticking. An anti-drainback valve is a valve that doesnt let all of the oil drain back down to the oil pan. Idk what brands carry them though.
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Old 04-11-2012, 08:49 PM   #22
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Quote:
Originally Posted by Csnow99gt
How long is an extended amount if time, cause it seems to be getting longer. Could this mean the oil pump is worn or going out?

---------- Post added at 09:14 PM ---------- Previous post was at 09:13 PM ----------



What is anti drain back valve and Which brands have this?
Do cobras have this problem? If they don't, could it be attributed to the oil cooler the oil filter is connected to? It has a seep hole and a plunger mech. That seems to evens out oil pressure. Any ways, I can now hear an intermittent dull rattling vicinity of the H-balancer. When I change out the seal I'll prob upgrade the oil pick up etc. how am I doin dead spot?
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Old 01-04-2017, 08:51 AM   #23
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So I have this rattling on startup like you but it's on every startup warm or cold. I've tried adjusting my Cold Air intake and it does something to reduce the noise but never completely and it's ticking me off.
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Old 01-07-2017, 03:59 AM   #24
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The rattling could be this problem. Broken timing chain guides. Mine would rattle pretty good on startup and then stop after a couple seconds.

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Old 07-10-2017, 12:51 PM   #25
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Quote:
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The rattling could be this problem. Broken timing chain guides. Mine would rattle pretty good on startup and then stop after a couple seconds.

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I'm thinking that's my problem. Mine sounds like small pebbles rattling around. Sometimes it does it for a good while, other times it does not do it at all. Not temperature related. Cannot for the life of my figure out where it's actually coming from. Standing in front of the engine, it sounds like it's in the timing chain area. Standing beside the car it sounds like it's coming from underneath at the clutch area.
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Old 07-10-2017, 01:52 PM   #26
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If thats the case, now is a great time to do cams since you have it all apart.

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