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under the hood smoke

 
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Old 02-23-2015, 05:39 AM
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under the hood smoke

hello all, thnx for the help with my clutch, appreciate it, so far so good but lately, dunno if it's due to a bump or what. but i can't go too far from home, basically getting the engine warmed up, before smoke starts venting out. it most cases, it's not too bad, it's like steam in a way. but it's got me worried, spilt some oil while i was filling the engine a month or 2 back but, even then, i drove my car over 70 miles in one day and that should've burnt up that small amount. i try to drive it not any farther than i need to, but still, seeing little steam/smoke when i stop at the stoplight/sign isn't normal.

some observations:
-ran out of oil last month or 2 ago, small amount got on the engine itself, got wiped off, in my mind no biggie.
-Only tends to steam/smoke when the car gets warmed up, not when cold.
-car temperature never gets to half or over, stays fairly typical cool.
-Have driven the car recently near 100 miles in one day round trip, engine never showed any signs of overheating.
-when looking under the hood, seems to be coming around the back of the engine, however unable to really see any oil drops or anything that indicate a break.
-in a ways, looks like it's venting out from the headgasket area, but not gonna say it's from that area, i've yet to look under the car yet, as it's been in a consistant use daily.

that's basically where i'm at, any help again would be appreciated.
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Old 02-23-2015, 06:22 AM
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Re: under the hood smoke

When you say ran out of oil, you mean you checked the dipstick, and a qt low right?

If it was spilled oil, you would be able to smell oil being baked when you drive around, do you smell a strong oil stink when at stop lights or when you see the vapor/smoke?

I would check your cooling system for pressure and if your topped off or low on coolant. maybe theirs a coolant leak that is being vaporized once it hits a extremely hot surface..
if you suspect its behind the engine, check the water tube and seals, maybe take the timing covers off and check the water pump area?
look at coolant hoses under and around the intake manifold & thermostat hosing too.

maybe it happens after the thermostat opens, after the cars been ran a good while and needs to cool off, once the fans kick on, like when your at a redlight you see the smoke?

I would rule out oil leaks, clean the engine bay around suspected areas. then run the car, and look for new wet spots. check your oil for discoloration if you think headgasket, but my instinct is telling me its a coolant being vaporized but you cant see the spot because its falling on a hotspot, maybe your exhaust pipes?

if you have compressed air, maybe shoot some air into each cylinder and watch for air bubbles in your radiator. that will have to go someplace, if it finds its way to the radiator i would worry about head gasket for sure.
best of luck man, fill us in on what you find.

Last edited by Freaknight; 02-23-2015 at 06:44 AM.
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Old 02-23-2015, 10:28 AM
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Re: under the hood smoke

Put cardboard in your trunk..say 3'x3' piece.
Place it under your car when you park it.
Get in the habit of checking it.

Also get in the habit of checking your oil and coolant before you go anywhere until you know for certain what's going on and how quickly the loss of said fluid is.
Leaks never get better, only worse.
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Old 02-23-2015, 09:34 PM
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Re: under the hood smoke

Are you checking the coolant level in the overflow bottle? The rad (when cold)? Does the idle hunt a bit when you're at stoplights?
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Old 03-04-2015, 09:30 PM
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Re: under the hood smoke

Hello again guys, vox here, got some news.

-checked my radiator and overflow bottle when the issue persists, no smoking or loss of fluids, except when that radiator cap is red hot and i don't feel like getting sprayed lol. -I detect no change in the idle when stopped when the car was steaming. when i stop when the problem occurs, the smoke/steam/vapor blow out.
-Only other time i know a car could have'd steamed/smoked this bad was actually worse when a rubber hose had a ruptured on my honda civic, one of 1-2inch diameter hoses, behind the block but on top of the silver thing, and i lost a lot of water and the car was approaching max temp.
-I placed cardboard under car and watched for leakage after a quick drive or warming up, after a drive, got a small puddle, until i turn the car off.

-after a day of letting it cool off and cleaning up indicated area, took a cheap tower and was setting between the oil pressure switch and oil filter.
-initial results from the towel pointed to the switch, and the switch was covered in oil after getting warmed up. after replacing the switch with a new one, cleaned up the aforementioned area and wait til the next day.
-started the car and waited for any signs of oil leakage, problem persisted, either wasted a day running around or not the problem, took an hour off and let the car cool off and wipe down the area and try again with a fresh towel between the filter and the pressure switch, and started the car.
-wrapping the towel around the filter itself and adapter behind it yielded some interesting results. as you may be aware of, there is the filter, and some adapter, then the block, focusing the filter this time pointed to that adapter, and maybe that O-Ring that's behind there. that one that people with similar oil leaks wish u don't have.
-after consulting some honda dealership parts department, tends to be a common issue.
-got a new o-ring and replacing the oil filter and that one o-ring met with limited success for today, glad i had a case under the car xD. the oil filter's not the thing that's leaking, more than i can say for the o-ring part. that's where i am today, gonna research more on youtube and online
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Old 03-04-2015, 10:27 PM
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Re: under the hood smoke

All Gen. Prelude Service Manuals
^^ download a manual and give it a look see.

You'll see the o-ring that's more than likely your source of leakage.
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Quote:
Originally Posted by ogsmakdade View Post
welcome to site Carl
...is a golden car fax kinda like a golden ticket? Sure hope willy wonka didn't put any snozberries in your motor.
Quote:
Originally Posted by elspectro29 View Post
Only seen the first one, 15 years ago in theaters. Plan on keeping it that way. Get off my lawn.
Quote:
Originally Posted by Lindso View Post
I remember my first thread, asking what a noise was when I got going 110mph.
Pretty much got flamed for driving like a jackass and was told to slow down. And I'll be damned, slowing down fixed it.

God's Not Dead
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