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| Carburettor Problems? http://www.international2cvfriends.com/forum/viewtopic.php?f=7&t=5972 |
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| Author: | Ianredspecial [ March 1st, 2017, 6:59 pm ] |
| Post subject: | Carburettor Problems? |
Esteemed 2cv'ers. My little champion suddenly developed some slightly odd running just recently and some puffs of smoke. It's been a bit hesitant especially when cold, and various flat spots getting worse even when warmed up. Cold starting has been fine but now includes clouds of fairly light coloured smoke, and it's not happy until it's warmed up. At full throttle it's fine - hills and motorways no problems. But I'm noticing smoke when revving. I had a quick look and the carb top gasket was leaking petrol. The screws weren't tight either. Tightened them and it helped but it still leaked a bit and has increased so I've ordered that gasket. Quite a lot of fuel is evident after today's motorway trip. Is all this just down to that gasket? I can believe that, apart from the smoke is confusing me. I suppose the smoke could be something else and I'm only noticing now, or is a coincidence. Clouds of it this morning. The car still starts well in the cold but it's reluctant to stay running and the idle is uneven. Here's a pic. Fuel is coming from the side you see, UK nearside. The inlet hose is fine and fairly new. Attachment: IMAG0808_1.jpg |
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| Author: | Geert [ March 1st, 2017, 9:28 pm ] |
| Post subject: | Re: Carburettor Problems? |
I.m.h.o. It is the gasket at the bottom of the carb that is leaking air into the manifold . |
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| Author: | Ianredspecial [ March 1st, 2017, 11:59 pm ] |
| Post subject: | Re: Carburettor Problems? |
Thank you Geert. That would explain it. The gasket/block at the bottom is replaced about a year ago and seems tight although I couldn't check that properly earlier. There is petrol all over the top of the carb and running down, the top gasket is definitely faulty. |
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| Author: | Geert [ March 2nd, 2017, 8:58 am ] |
| Post subject: | Re: Carburettor Problems? |
Did you check the level of the float ? |
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| Author: | Ianredspecial [ March 2nd, 2017, 9:38 am ] |
| Post subject: | Re: Carburettor Problems? |
No but I feel that is in my near future... Unfortunately what I know about carbs is almost non-existent. When the new gasket comes I will have to have a look. |
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| Author: | Ianredspecial [ March 3rd, 2017, 12:00 am ] |
| Post subject: | Re: Carburettor Problems? |
I rang the guy who used to fix it for the Citroën garage but he's too busy now he's retired. Boooo. I'll wait for the gasket and then try and not cock it up. Gordon mentioned making sure the float hasn't become porous and the level was right. Also that the jet was screwed in properly. It actually ran a bit better today but it's bogging on corners and petrol is coming out enough to drip all down & get in the clutch and make it judder. Just started a new job so I'm reliant on it, at least it's still working. |
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| Author: | richardmorris [ March 4th, 2017, 7:49 pm ] |
| Post subject: | Re: Carburettor Problems? |
I have vernier calliper for setting float levels- you're welcome to come over if you like. I'm in bagshot at the junction of the a30 and a322. |
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| Author: | Ianredspecial [ March 4th, 2017, 7:54 pm ] |
| Post subject: | Re: Carburettor Problems? |
Oh thats so cool, great offer. If I bring it over sometime would you be able to show me some carb basics? |
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| Author: | richardmorris [ March 4th, 2017, 10:26 pm ] |
| Post subject: | Re: Carburettor Problems |
Erm! I suppose so. Well,yes, but I'm not an expert like some. I can set float levels and have changed the primary jet for the ecas 107 recently. At this time of year the weekend is best for light. Send me a PM.  I'll see if I can get Johnjordan along too. I owe him a drink. |
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| Author: | knightley [ March 5th, 2017, 12:42 am ] |
| Post subject: | Re: Carburettor Problems |
richardmorris wrote: Erm! I suppose so. Well,yes, but I'm not an expert like some. I can set float levels and have changed the primary jet for the ecas 107 recently. At this time of year the weekend is best for light. Send me a PM. I'll see if I can get Johnjordan along too. I owe him a drink. A bit difficult Richard. I now live in Kingswood, Bristol with Rachel. Only come to Woking infrequently. The drink may have to wait until the National if you are attending
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