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Jzza4
06-02-2006, 10:07 AM
When the A/C is on, there appears to be a loud rattling sound coming from the radiator/fan portion of the engine. I also get a burning smell when I floor it if the A/C is on.

Any ideas?
BillionPa
06-02-2006, 10:29 AM
when did you change your air cabin filter?
glen-sj
06-02-2006, 10:47 AM
The sound is most likely be coming from the A/C clutch bearings, which is starting to seize up, hence dragging the A/C belt, causing the burning smell.
joshua43214
06-02-2006, 01:25 PM
If the aux fan is bad or the system is overcharged it will also cause the belt to slip causing a burning smell.
Jzza4
06-02-2006, 02:40 PM
Cabin air filter was changed 2 months ago.
Beemr750
06-03-2006, 05:43 AM
Some hint: Check the compressor mounting,maybe loose or broken brackett.
Jzza4
06-03-2006, 07:23 AM
While driving today with the temp set to cold (not A/C), it gave also off a burning smell for a few minutes.
joshua43214
06-03-2006, 07:26 AM
What kind of burning smell? does it smell like burning wood or leaves with a sharp tang to it? overheated metal? rubber? sweet smell?
Jzza4
06-03-2006, 10:46 AM
What kind of burning smell? does it smell like burning wood or leaves with a sharp tang to it? overheated metal? rubber? sweet smell?

It smells like burning wood or leaves with a sharp tang to it.
joshua43214
06-04-2006, 04:40 AM
It smells like burning wood or leaves with a sharp tang to it.

That is probably coolant burning off the exhaust.

Check it over for coolant leaks.