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I read I bypassed my heater core on my Cadillac Daville ever since it drove for about a half an hour and then I smelled plastic burning and started filling the thumping noise I was told the air compressor to the air conditioning blew out and messed up my oil pump and serpentine belt so I replaced them drove it for another half an hour and the same thing happen again smelled burn rubber started getting the thumping noise and it started getting hard to drive any answers I need help please

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  • Cars & Trucks Master
  • 1,243 Answers

Please take your cadillac to a reputable shop and let them fix it before you kill it for good.

Posted on Dec 07, 2014

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6ya6ya
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Posted on Jan 02, 2017

  • 54 Answers

SOURCE: Burning rubber smell inside car-2003 CTS Cadillac

Diagnosing this will be subject to a process of elimination. It could be the radio, blower motor or any other accessory particularly ones with moving parts; Try switching those off and try to note when this problem occurs and what is on/whatyou are doing. Something is getting hot causing the smell so it will be a situation where the accessory will have to run a while before doing it. It is a possibility that there is an electical curcuit overheating, but less likely. Lets rule out accessories first and give us an update. GL

Posted on Feb 04, 2009

  • 58 Answers

SOURCE: heat/ac fan doesn't work

go to the ac fan resistor first - then check the fan itself (put 12 v), remove climate control and check plug for shortage-melted wires

Posted on Jul 25, 2009

  • 3 Answers

SOURCE: A/C compressor pulley is seized and burning the serpentine belt

yeah its seized up[ and they dont make a repair kit for that one either. they have at most auto parts stores an ac bypass pulley . its a bracket and pulley so you can bypass the factory ac unit and still run the factory belt. but if you decide to change the ac unit there are 5 bolts holding the unit down .have the system evacuated.loosen belt and drop down out of your way. take the ac lines off the compressor and set aside . there are two bolts on top in front and there are 3 bolts in back on top tieing together a triangle shape mounting plate , take all 5 loose and out.disconnect ac wires (snap clip) lift , lightly pry off old ac unit.set aside and reverse the procedure to install your new or salvage yard ac unit. refrigerant chargers can be purchased from wall mart ( there cheaper) at $30. roughly 2 1/2 cans will completely fill the system just follow on label instructions. its all easy to do if you can use wrenches and have a little knowledge. and you get the satisfaction of doing it yourself. and save a bunch of $ along the way.

Posted on Oct 31, 2009

  • 147 Answers

SOURCE: 1999 expedition- After driving for a half hour or

No heat usually means low water level in radiator. Check your plastic surge tank to see if is at the proper level. When engine is cool check actual level in radiator.

For smell check to see if any oil is weeping from top engine gasket and dripping onto exhaust manifold, You should be able to check with flashlight while engine is idling.

Posted on Nov 23, 2010

c1apton15
  • 3400 Answers

SOURCE: What is the length of

You're going to have to take "seamstress" tape measure (soft tape measure) and manually measure around pulleys if you're going to by pass AC

Posted on Mar 22, 2011

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1 Answer

Burning plastic smell when cold out run heater and fan inside car and out


Are you loosing radiator fluid. sometimes the heater core will rupture and you will smell burn odor. also check for strange rubbing sounds or screeching coming from the blower fan motor. or engine exhaust manifolds are hot when car is on, make sure nothing is leaning on them which will cause a burn odor. Any odor coming from outside will find it's way inside through the fresh air vents.

Feb 13, 2016 | Cars & Trucks

1 Answer

Burning smell from heater when on high & fan on low


burning antifeeze, do you do 2 years AF service, or wait for the core
to rot thru.???
when the AF, gets old it goes Acidic. this eats the core,(heater) and
then it drips, and stinks.
or something died in there, (mouse)
or is the fungus growing.... sucked in from A/C evap. side? >???
or some chuck of sealant in the heater box hit the core and stinks
at 180F temp.
for sure it real,, you nose , KNOWS.

Feb 10, 2014 | 2003 Jeep Liberty

1 Answer

Bypass heater core


jus us a piece of usually half inch copper pipe n disconnect BOTH hoses from heater core and hook them both on each end of copper pipe or whatever u can find that will fit ID of heater hoses...plastic pipe is good too for this...heater core leak?...a good radiator sealer will fix this usually but you must have the heat on full for the solution can travel through the heater core...itmight still leak for awhile n then stop...if not, put some more radiator sealer in...always use the powered aluminum sealer...

Nov 27, 2013 | 2001 Pontiac Grand Am SE

1 Answer

My heater works but is blowing a burnt rubber smell out of vents in a 1995 cadillac deville??? anybody kno? heater core??


Your blower motor could be overheating, but that usually smells like a distinct plastic burning. I's day its more likely a problem under your hood. I'd start with the belt and pulleys. Just pop the hood and look around your belt. If you see bits of rubber you found your problem. It will probably be a belt, pulley and/or tensioner that needs replacing.

Jan 05, 2012 | Cars & Trucks

1 Answer

What is the length of a serpentine belt for a 1996 Cadillac Daville w/northstar engine, if you bypass the A/C compressor


You're going to have to take "seamstress" tape measure (soft tape measure) and manually measure around pulleys if you're going to by pass AC

Mar 22, 2011 | Cadillac DeVille Cars & Trucks

1 Answer

1999 expedition- After driving for a half hour or so the engine smells like a faint burning smell but the temp. gauge inside reads normal. I also can not get any hot air to come out with the heater on even...


No heat usually means low water level in radiator. Check your plastic surge tank to see if is at the proper level. When engine is cool check actual level in radiator.

For smell check to see if any oil is weeping from top engine gasket and dripping onto exhaust manifold, You should be able to check with flashlight while engine is idling.

Nov 23, 2010 | 1999 Ford Expedition

2 Answers

I have a 2001 Legacy twin turb Gtb Wagon, When im driving i can smell an oily smell coming through the Air conditioning. the Smell is actually quite similar to burning coolent. whats the guts with that?


Hi and welcome to FixYa, I am Kelly. You have a leaking heater coil. Check your radiator coolant levels and I am certain that over several days you will note your car is suddenly using water. That sweet oily smell is anti-freeze. Many people bypass the heater coil lines in the engine compartment until they can get the heater core replaced.

Bypassing the heater core is done by disconnecting the lines forward of the firewall in using a pipe nipple or piece of copper tubing with clamps. I recommend you either bypass the lines or have the heater core replaced ASAP. You run the risk of overheating your engine from coolant loss.
Thanks for choosing FixYa.
Kelly

Nov 02, 2010 | 2001 Subaru Legacy

1 Answer

Just bought 99 devillr 4.6 northstar drove home and smell a liitle antifreeze coolant and see small leak what could it be?temperature reads at about 95 c to 105c


your gonna have to determine where the fluid is coming from look around the engine if its leaking there its the water pump if not you may have a hose gone bad or a bad heater core.

Oct 07, 2010 | 1999 Cadillac DeVille

2 Answers

97 cad sls white smoke near windshield smell like rubber burning


If its in the engine compartment there is an antifreeze leak..If it inside the car like like near to the windshield, you have a bad heater core. Good Luck contact me if you need more help.

Dec 25, 2008 | 1997 Cadillac Eldorado

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