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Tom
Firing on two.
Joined: July 27th, 2009, 10:43 am Posts: 306
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 Smoke??
First time i noticed it. Our red 2cv when running coolish tends to smoke a little (blueish). This happens when the choke is fully in and slight revs applyed to the engine and does not do it at all when the engine is hot? Is there a cure? Cheers All.
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getting there slowly.
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October 12th, 2009, 8:57 pm |
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Neil
super slot
Joined: November 28th, 2008, 11:14 pm Posts: 8797 Location: Cornwall, UK
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 Re: Smoke??
topic moved.
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October 12th, 2009, 8:58 pm |
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Tom
Firing on two.
Joined: July 27th, 2009, 10:43 am Posts: 306
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 Re: Smoke??
i always pick the wrong one.  Cheers Neil
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getting there slowly.
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October 12th, 2009, 8:59 pm |
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Neil
super slot
Joined: November 28th, 2008, 11:14 pm Posts: 8797 Location: Cornwall, UK
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 Re: Smoke??
Tom wrote: i always pick the wrong one.  Cheers Neil i've noticed!
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October 12th, 2009, 9:00 pm |
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Tom
Firing on two.
Joined: July 27th, 2009, 10:43 am Posts: 306
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 Re: Smoke??
 sorry
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getting there slowly.
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October 12th, 2009, 9:01 pm |
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Devils Advocate
Firing on two.
Joined: July 26th, 2009, 3:36 pm Posts: 1019
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 Re: Smoke??
Hi Tom.
Blue smoke = burning oil. (Darker smoke = over-fuelling.)
Blue smoke on cold start-up is commonly caused by worn valve stem seals - at least it is on 'normal' cars with the engine sitting upright in the 'normal' way! I don't know if this applies to boxer engines the same way - I just don't know.
Burning oil is generally an engine 'wear' issue - valve stems or piston/bore wear - unless it just happened suddenly to a youngish engine, in which case you'd look at a 'fault' such as - ooh - a failing head gasket? Cracked valve stem seal? Broken ring?
Cure? Well, if it's just general wear and tear and isn't really a problem, then the engine will likely go on perfectly well for many years. If the engine IS a high-mileage example - so that some wear is 'fair enough' - then you could try a slightly thicker grade of oil. Millers make a really good 20W/50 'classic' semi-synthetic oil but take advice before changing oil grade. If your engine is NOT partly 'worn' then certainly don't do it!
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October 13th, 2009, 12:00 pm |
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2CViking
viking bastard
Joined: April 18th, 2009, 11:43 am Posts: 2424 Location: Meneac, Bretagne France
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 Re: Smoke??
Remember to inspect the valve guides too. No point in pulling the heads off to replace the stem seal only.
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October 13th, 2009, 12:25 pm |
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Jonathan
Firing on two.
Joined: January 1st, 2009, 7:37 pm Posts: 4708 Location: Disunited Kingdom
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 Re: Smoke??
With a horizontal engine, if the car is parked sideways on a slope, the oil can run down the 'lower' barrel and on starting the engine, it will burn off....So I'm led to believe 
_________________ 1988 built (1989 F-registered) Citroën 2CV-Six 2013 (63-Plate) VW Golf SE 1.4TSI BMT DSG7 1932 Morris Minor Open Two-Seater (The £100 car).

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October 13th, 2009, 12:58 pm |
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imothepixie
Firing on two.
Joined: December 26th, 2008, 11:46 pm Posts: 254 Location: Leicester
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 Re: Smoke??
sopwithcamel wrote: With a horizontal engine, if the car is parked sideways on a slope, the oil can run down the 'lower' barrel and on starting the engine, it will burn off....So I'm led to believe  Arh! I used to live on a street with a very round camber, starting after a longish period always resulted in clouds of smoke, now I've moved to a flatter street never happens!  coinsidence? 
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October 13th, 2009, 2:36 pm |
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