Question about 2003 Chevrolet TrailBlazer
2003 Chevy Trailblazer: I have a burning smell coming from my car after running for awhile. About a month ago I was driving in 4WDHI for about 40 minutes on highway at about 60-70mph (snow conditions). At bottom of off ramp I noticed smoke and a burining smell. I turned off 4wd and have not seen smoke since but I do get smell and have notice a leak on driver side front drive shaft as it enters transfer case.
This transfer case uses a wet clutch. What has happened is that the high speed travel in 4HI has burned the clutch in the transfer case a bit. No way of knowing how much without a complete tear down.
I would recommend having the fluid serviced as it is most likely laden with the burnt clutch material. I am sure this will get rid of most of the odor you are detecting. It is also likely because of the leak you indicated the transfer case is low on fluid which will cause the odor to be stronger. Running these low can have catastrophic effects.
As for the front seal leak, this could have been caused by simply getting the transfer case too hot. Replacing the seal is the remedy for this leak. With the drive shaft removed the source of the leak should be obvious.
Posted on Feb 02, 2010
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Posted on Jan 02, 2017
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