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Burning smell


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#21 bluegtp91

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Posted 13 January 2018 - 01:58 PM

Well, that's the rotton egg fun time scent.

 

Common GM thing.

 

What you might have now is a plugged up resonator or muffler/s.


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#22 KnightOwl

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Posted 13 January 2018 - 02:59 PM

I know when the cat plugged on the 2001, the power tanked and the engine kept heating up...it was pretty sick puppy. I've never heard of a resonator plugging but I can see it happening behind a carboned-up cat.Might have to move exhaust mods up on my list.

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#23 bluegtp91

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Posted 13 January 2018 - 03:15 PM

Get the car up in the air and look at it.

 

Another way to find out is to clean everything underneath it...drive it for a couple days, get it back up in the air and see if anything shows up on the surfaces you cleaned.  It might be some fluid hitting the exhaust, too.  Maybe PS or Tranny fluid hitting the exhaust as well.


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#24 Imp558

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Posted 13 January 2018 - 08:12 PM

No chance of burning coolant smell? I'm assuming you know already but the coolant elbows frequently leak.


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#25 KnightOwl

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Posted 14 January 2018 - 04:13 AM

No chance of burning coolant smell? I'm assuming you know already but the coolant elbows frequently leak.

 Yes, I've looked closely around the UIM several times and around the water pump area. The elbows appear to be fine, but if I pull the LIM this summer it will get the aluminum elbows from ZZP

 

I need to get the car on a lift and look around underside... not sure where I can tackle that though


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#26 Imp558

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Posted 14 January 2018 - 04:22 AM

 Yes, I've looked closely around the UIM several times and around the water pump area. The elbows appear to be fine, but if I pull the LIM this summer it will get the aluminum elbows from ZZP

 

I need to get the car on a lift and look around underside... not sure where I can tackle that though

 

The Aluminum ones come from chain parts stores now, Rockauto probably has them too. ZZP for performance parts, sure but not for every day things.


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#27 digitaloutsider

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Posted 14 January 2018 - 05:42 PM

Generally if you can get something anywhere else, do not buy it from ZZP.

 

The Dorman part # is 47065HP. With an Advance Auto discount code, you can walk into a store and get them for $9.50. Same price shipped from Amazon if you have Prime. You'd be paying over $15 with shipping from ZZP.


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#28 jmjp5055

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Posted 16 January 2018 - 03:11 AM

[quote name="KnightOwl" post="1253346" timestamp="1515727158"]When I first brought my car home I noticed a slight burning smell after a while highway driving. I thought at first it was just dressing the detalier had used under the hood to pretty things up, but by now I thought that would be gone.I have looked closely under the hood and nothing is smoking in the slightest, and I've used a mirror to get a close look at the rear manifold to be sure oil isnt leaking from the valve cover, but everything looks clean.Any other culprit ideas?[/quoteSent from my iPhone using Tapatalk

#29 jmjp5055

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Posted 16 January 2018 - 03:21 AM

[quote name="jmjp5055" post="1253601" timestamp="1516072293"][quote name="KnightOwl" post="1253346" timestamp="1515727158"]When I first brought my car home I noticed a slight burning smell after a while highway driving. I thought at first it was just dressing the detalier had used under the hood to pretty things up, but by now I thought that would be gone.I have looked closely under the hood and nothing is smoking in the slightest, and I've used a mirror to get a close look at the rear manifold to be sure oil isnt leaking from the valve cover, but everything looks clean.Any other culprit ideas?[/quoteSent from my iPhone using Tapatalk[/quote]Same burning smell from my 3.4lThe power steering pulley is plastic with a metal insert well after 23 years the plastic cracked so as the car ran longer the metal insert would spin and cause the pulley to smell like burning plastic. Thought it had something to do with steering cause it was hard to turn left when power steering pulley was heated up. Sent from my iPhone using Tapatalk
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#30 KnightOwl

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Posted 16 January 2018 - 03:53 AM

No problems with steering but I'm wondering if the pump/ rack/ hoses might be having a slight leak on the downpipe. I still need to get the car someplace on a lift so I can inspect the underside. Thanks for the input!


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