transfer case making a knock

Asked by Josiah Nov 26, 2017 at 01:05 PM about the 1999 GMC Suburban K1500 SLT 4WD

Question type: Maintenance & Repair

A few weeks ago I put my suburban in 4hi on snow
packed roads an when I slowly started going every
few feet it would make a pop then same thing in
4lo an it never done that before till then an I
haven't put it back in 4 wheel drive since then....
What could it be? I need to get it fixed

2 Answers
2,335

Jeff answered 6 years ago

Check the fluid in you transfer case low oil will cause excessive wear and you won't know it till you try 4WD

Mark helpful

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