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| | | Sulfur smell 1976 B200 | Joined: Sep 2013 Posts: 19 stranger | OP stranger Joined: Sep 2013 Posts: 19 | Hello, Hoping to get a clue on how to remedy a strong sulfur smell in my 1976 B200 with 5.2L 318 engine. Recently started smelling, usually after 30-45 minutes of highway driving. Any help is appreciated. Thanks! | | | Re: Sulfur smell 1976 B200 | Joined: Dec 2018 Posts: 372 Likes: 16 enthusiast | enthusiast Joined: Dec 2018 Posts: 372 Likes: 16 | I would take a good look at the battery when the problem arises.
Last edited by samhain; June 26th 2021 5:44 pm.
| | | Re: Sulfur smell 1976 B200 | Joined: Sep 2013 Posts: 19 stranger | OP stranger Joined: Sep 2013 Posts: 19 | I put in a new battery a couple months ago, I'll give it a look. | | | Re: Sulfur smell 1976 B200 | Joined: Jan 2001 Posts: 2,964 Likes: 63 veteran | veteran Joined: Jan 2001 Posts: 2,964 Likes: 63 | Can you narrow down the smell to a specific area, engine compartment, underneath van, rear of van, etc. | | | Re: Sulfur smell 1976 B200 | Joined: Jun 2010 Posts: 18,286 Likes: 559 | Joined: Jun 2010 Posts: 18,286 Likes: 559 | Maybe its the cat burning ...
SUNSHINE VANS-VAN DIEGO ADRENALIN BY THE GALLON & CHASIN RACIN ONE FOR THE DIRT & ONE FOR THE STREETS '93 CHEVY G30 454 4X4 SPORTVAN EXT 146" WB '92 CHEVY G30 454 BEAUVILLE EXT 146" WB | | | Re: Sulfur smell 1976 B200 | Joined: Jul 2020 Posts: 109 Likes: 5 member | member Joined: Jul 2020 Posts: 109 Likes: 5 | I have a ford explorer that had a really gross propane kind of smell, turned out to be nasty cooked trans fluid. Check all your oils. | | | Re: Sulfur smell 1976 B200 | Joined: Mar 2007 Posts: 4,463 Likes: 12 pooh-bah | pooh-bah Joined: Mar 2007 Posts: 4,463 Likes: 12 | If it's the exhaust, and you're smelling it inside, you'd better look for holes in the floor, a bad or missing engine cover seal, or be sure to keep any rear cargo door pop-out windows closed while driving.
What color, if any, is your exhaust? Check your choke and choke kick to be sure it's not misadjusted or sticking, causing an excessively rich mixture. Be sure no hoses are tangled in the linkage. A prime sign of an excessively rich issue is black sooty, smelly smoke at startup.
Is there a lot of wet looking oil around the valve covers or down across the spark plugs? Valve cover leaks are extremely common in these engines. If you get oil close to or on the exhaust manifolds it can make an incredible quantity of acrid smoky fumes.
It's fairly common for catalytic converters to unload sulfur on vehicles which aren't driven huge amounts. Once the catalyst gets up to temperature it burns off. That's a fairly long time you're talking about though. I'm really curious for the additional details which Meanmachine asked for.
-It's been such a LONG TIME... BlueShift>> 1981 Dodge Ram B250 Custom Sportsman Maxi Van It's what you learn after you know it all, that counts... Are you living to work, or working to live? Learning from my own mistakes is good, learning from yours would be much better! | | | Re: Sulfur smell 1976 B200 | Joined: Sep 2013 Posts: 19 stranger | OP stranger Joined: Sep 2013 Posts: 19 | Thanks for all the suggestions. No dark exhaust or any noticeable smoke at all. You can smell it while driving, but it's a stronger smell outside the van. I parked it and went back to get something from the van 1/2 hour later and while approaching the van I could still smell it. I'm going to look into the trans fluid and any other possible oil/fluid around the engine. I'll keep you posted on what I find and hopefully what the remedy is.
Last edited by Orange; June 27th 2021 3:23 am.
| | | Re: Sulfur smell 1976 B200 | Joined: May 2006 Posts: 3,113 Likes: 2 pooh-bah | pooh-bah Joined: May 2006 Posts: 3,113 Likes: 2 | My ‘75 still has that smell today. I’ve had my van for 13 years now. Stronger on hotter days. Mine is the charcoal canister making the smell. It’s under the floor board passenger seat. Strongest smell by side doors. Worth checking out. Not sure how to fix because I still haven’t | | |
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