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Burning Rubber Smell 2012 Bluetec

 
Old 03-25-2012, 02:38 AM
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Burnt Rubber Smell 2012 Bluetec

I just returned from a 2 hour drive and I immediately noticed a burning rubber/plastic smell once I entered the garage. The windows were up and I could still smell it. Not sure what this was as it hasnít ever happened before. I only have 1500km on the truck, so I'm kind of worried.

Also, when the vehicle was turned off I noticed that there were ticking sounds happening every few seconds. Has anyone else had this happen on a new truck?

Thanks in advance, Cheers.

Last edited by Vancity; 03-25-2012 at 03:40 AM.
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Old 03-25-2012, 04:58 AM
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I'm not familiar with diesels, but from all the new cars I've experienced, that burning smell is normal and will go away with more miles. The car is still new and breaking in.
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Old 03-25-2012, 11:28 AM
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Originally Posted by Vancity View Post
I just returned from a 2 hour drive and I immediately noticed a burning rubber/plastic smell once I entered the garage. The windows were up and I could still smell it. Not sure what this was as it hasnít ever happened before. I only have 1500km on the truck, so I'm kind of worried.

Also, when the vehicle was turned off I noticed that there were ticking sounds happening every few seconds. Has anyone else had this happen on a new truck?

Thanks in advance, Cheers.
normal

&

normal
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Old 03-25-2012, 01:37 PM
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If the smell persists, I would have it looked at, just to be on the safe side.

True, burning odors during the first 100 km are not that unusual--from melting assembly lubricant dripping on hot exhaust, for one example.

But a "burning rubber/plastic smell" suddenly appearing after 1500 trouble-free kilometers is something else again.
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Old 03-25-2012, 02:07 PM
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Originally Posted by Shrdlu View Post
If the smell persists, I would have it looked at, just to be on the safe side.

True, burning odors during the first 100 km are not that unusual--from melting assembly lubricant dripping on hot exhaust, for one example.

But a "burning rubber/plastic smell" suddenly appearing after 1500 trouble-free kilometers is something else again.
You guys are all too kind.....

I think if I were Stainless Steel at about say 800 degrees F i would make a few noises as I cooled down too.

Sorry
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Old 03-25-2012, 05:17 PM
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Look underneath to see if a plastic bag has melted itself onto your exhaust system.

Ticking is normal; happens with most cars as the exhaust heat shield cools at a different rate vs the metal it is attached to.
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Old 03-25-2012, 09:46 PM
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Not that it's likely to be relevant but check your oil level. My 2008 went through quite a bit of oil in the first 5,000 kms and the first time I checked it I was down more than a full liter.
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Old 03-26-2012, 01:45 PM
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It's most probably your DPF filter

I drive a new cummins with the EGR, & Particulate filter DPF. When the filter is regenerating there is a ticking noise, and sometimes it smells like burnt rubber. It is normal. It will get better with age as I'm sure it's also other things burning off the new car. Either way, I would still check your oil level just to be safe.

By the way, I get my 350 BT this Saturday. I can't wait.

All DIESEL. ALL THE TIME!!!
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Old 03-26-2012, 01:59 PM
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That is a good point. The regeneration process employs a periodic afterburner effect to turn the accumulated soot to ash. Lots of extra heat going through the exhaust system.
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Old 03-26-2012, 02:19 PM
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Originally Posted by orenlasko View Post
I drive a new cummins with the EGR, & Particulate filter DPF. When the filter is regenerating there is a ticking noise, and sometimes it smells like burnt rubber. It is normal. It will get better with age as I'm sure it's also other things burning off the new car. Either way, I would still check your oil level just to be safe.

By the way, I get my 350 BT this Saturday. I can't wait.

All DIESEL. ALL THE TIME!!!
Thanks for the replies, it was fine the next day & today. This is my first diesel so I should have done a search on regeneration... I just did and this is completely normal.

Congrats on your 350 BT purchase.
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Old 03-26-2012, 02:27 PM
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Glad to help.

Forums are a great help. I always look around whenever I'm making a major purchase to the forums for general advice etc.

As an aside, I've been driving diesel trucks now for work for almost 20 years. I'm a huge diesel fan. I'm totally stoked to have one for pleasure too, and a Benz to boot... I can't wait. I'm like a 43 year old kid in a very expensive candy store...

Cheers.

2012 ml350 Bluetec with Pano Premium Pkg, Sport Pkg, Driving Assist Pkg, factory hitch & Running boards. All in Tenorite Grey.
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