Omega Owners Forum - Smoke / Exhaust fumes out the Engine

Jimbob Global Moderator Admin Team Offline Third nipple removal completed succesfuly Posts: 20462 Chester / Flintshire Gender: Drives: 52 3.2 MV6 Estate & 98 3.0 MV6 Manual Estate	Smoke / Exhaust fumes out the Engine 28. Dec 2009 at 09:50 I am getting What I thought was smoke, but now think is Exhaust fumes from the passenger side of the engine, looks to be coming out from under the heatshields Does seem worse on short trips... Had the plenum off to check cam cover gaskets, all fine, plugs all dry. Any ideas?
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tunnie Over Active Poster Offline Posts: 22520 London, W3 Gender: Drives: 2.2 CD (LPG'd) & BMW R1200 GS	Re: Smoke / Exhaust fumes out the Engine Reply #1 - 28. Dec 2009 at 09:57 just fumes, no noise? if the exahust manifold gasket was leaking i would expect lots of noise
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Jimbob Global Moderator Admin Team Offline Third nipple removal completed succesfuly Posts: 20462 Chester / Flintshire Gender: Drives: 52 3.2 MV6 Estate & 98 3.0 MV6 Manual Estate	Re: Smoke / Exhaust fumes out the Engine Reply #2 - 28. Dec 2009 at 10:08 No noise.. remember all this was rebuilt a few months back as well when HG's were done...
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Smoke / Exhaust fumes out the Engine Reply #3 - 28. Dec 2009 at 10:13 Jimbob wrote on 28. Dec 2009 at 10:08: No noise.. remember all this was rebuilt a few months back as well when HG's were done... Blame the cowboy who did it Sure its fumes, and not dampness burning off?
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Jimbob Global Moderator Admin Team Offline Third nipple removal completed succesfuly Posts: 20462 Chester / Flintshire Gender: Drives: 52 3.2 MV6 Estate & 98 3.0 MV6 Manual Estate	Re: Smoke / Exhaust fumes out the Engine Reply #4 - 28. Dec 2009 at 10:16 does smell...but not 100% sure what it is....
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tunnie Over Active Poster Offline Posts: 22520 London, W3 Gender: Drives: 2.2 CD (LPG'd) & BMW R1200 GS	Re: Smoke / Exhaust fumes out the Engine Reply #5 - 28. Dec 2009 at 10:27 been using any WD40, or other oils? When i was soaking the exhaust manifold nuts for the flexi change, it smoked like a good-un after starting.
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TheBoy Administrator Offline TBE has an MOT! Posts: 64817 Brackley, Northants Gender: Drives: 98 MV6, 03 Elite, 00 25, 89 ZX10	Re: Smoke / Exhaust fumes out the Engine Reply #6 - 28. Dec 2009 at 10:27 Jimbob wrote on 28. Dec 2009 at 10:16: does smell...but not 100% sure what it is.... Coolant? you must know that smell by now!
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Jimbob Global Moderator Admin Team Offline Third nipple removal completed succesfuly Posts: 20462 Chester / Flintshire Gender: Drives: 52 3.2 MV6 Estate & 98 3.0 MV6 Manual Estate	Re: Smoke / Exhaust fumes out the Engine Reply #7 - 28. Dec 2009 at 10:58 Deffo not coolant. Its done it on and off for a while... may not be coincidence that ive not given her a long run for a while to burn anything off. Off for a run into Wales today, will see how it goes, something somewhere isnt quite right thats for sure.
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Kevin Wood Global Moderator Admin Team Offline Posts: 20377 Alton, Hampshire Gender: Drives: 3.2 MV6 (LPG), Westfield	Re: Smoke / Exhaust fumes out the Engine Reply #8 - 28. Dec 2009 at 12:17 Is it almost a rubbery type smell? If so, it might be spray from the road on the exhaust. Don 't know if it's the salt they're using, but I've noticed this recently when it's wet / slushy. Kevin
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Jimbob Global Moderator Admin Team Offline Third nipple removal completed succesfuly Posts: 20462 Chester / Flintshire Gender: Drives: 52 3.2 MV6 Estate & 98 3.0 MV6 Manual Estate	Re: Smoke / Exhaust fumes out the Engine Reply #9 - 28. Dec 2009 at 16:15 deffo coming from under heat shield, passenger side only still sameish after 100 miles today. could ATF get to that area at all? dont think its that, as its the same before and after the box change
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TheBoy

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Re: Smoke / Exhaust fumes out the Engine
Reply #10 - 28. Dec 2009 at 16:28

Kevin Wood wrote on 28. Dec 2009 at 12:17:

Is it almost a rubbery type smell? If so, it might be spray from the road on the exhaust. Don 't know if it's the salt they're using, but I've noticed this recently when it's wet / slushy.

Kevin

I smelt that just before xmas. It turned out it was the putty used for badging the exhaust melting Grin

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Abiton

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Re: Smoke / Exhaust fumes out the Engine
Reply #11 - 28. Dec 2009 at 16:39

Jimbob wrote on 28. Dec 2009 at 09:50:

I am getting What I thought was smoke, but now think is Exhaust fumes from the passenger side of the engine, looks to be coming out from under the heatshields

Does seem worse on short trips...

Had the plenum off to check cam cover gaskets, all fine, plugs all dry.

Any ideas?

Excuse me if this is daft (not being familiar with V6s), but are you sure it isn't a camcover gasket leak from the outside edge of the cover, adjacent to the exhaust manifold? Is that edge fully visible with heatshield in place?

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Jimbob Global Moderator Admin Team Offline Third nipple removal completed succesfuly Posts: 20462 Chester / Flintshire Gender: Drives: 52 3.2 MV6 Estate & 98 3.0 MV6 Manual Estate	Re: Smoke / Exhaust fumes out the Engine Reply #12 - 02. Jan 2010 at 14:43 Big thanks to Mark, who took one sniff after we were driving the kids to the park and said Thats Semi Synth under an hour later he had resealed the camcover....didnt seem to be leaking.... but no smoke since, little smelly, but that will burn off in time
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Desperate Den

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Re: Smoke / Exhaust fumes out the Engine
Reply #13 - 02. Jan 2010 at 14:54

Jimbob wrote on 02. Jan 2010 at 14:43:

Big thanks to Mark, who took one sniff after we were driving the kids to the park and said Thats Semi Synth Grin

under an hour later he had resealed the camcover....didnt seem to be leaking....

but no smoke since, little smelly, but that will burn off in time Grin

Good to have it sorted out Jb Thumbs Up!

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Jimbob Global Moderator Admin Team Offline Third nipple removal completed succesfuly Posts: 20462 Chester / Flintshire Gender: Drives: 52 3.2 MV6 Estate & 98 3.0 MV6 Manual Estate	Re: Smoke / Exhaust fumes out the Engine Reply #14 - 14. Jan 2010 at 08:09 unfortunately back to smoking like hell again. any ideas? im thinking could be time for a new cam cover? or worth trying new gasket and orings? the last reseal certainly seemed to help. but not for long...
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