2003 Chevy Blazer 4x4 making howling noise in front end.
I live in Calgary Alberta Canada. We have crazy weather...from extreme cold to chinooks. I have noticed that my Blazer is making a howling like noise when I get to about 50 km's. I noticed it more when it is in 2x2 or 4x2. Can you PLEASE help me out!! I am a female and would like to hopefully narrow it down to a possible fix before I head to a mechanic. Any and all advise would be greatly appreciated!!!
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Re: 2003 Chevy Blazer 4x4 making howling noise in front...
As stated above, check the transfer case fluid level, also check the fluid in the front and rear differentials, make sure it is full and clean. if the howling still exists it can also be caused by hub bearings, or differential bearings.
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Yes, it is normal to have to put it in neutral in order for it to switch from 4X2 to 2X4 and vice versa. Also, I would check the fluids in the axles to make sure it is up to where it needs to be, because that can also be the cause of the howling. Regular 4X4's are actually not designed to be in four-wheel-drive for extended periods of time, only when extra traction is needed. If you need extra help with this, just email me directly at email@example.com and I will be able to further help you.
the howling sound could be a window with a little opening, check if your window was totally closed. the clunkin? or clickin sound you hear could be the road salt or ice thats being thrown to your mud guard by the wheel. anyway an actual inspection is recomended, pep boys can do a courtesy check for free.