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david craig
david craig, Auto Mechanic
Category: Chevy
Satisfied Customers: 1471
Experience:  owner/mechanic at 3D Automotive
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2005 trailblazer, When problem started it was a bad

Customer Question

2005 trailblazer, When problem started it was a bad vibration while driving in 2wd, really thought I had a flat tire. Pulled over to side of road and tires were fine. Pulled back on road and approximately 1/4 mile, the vibration went away entirely. My mechanic first replaced the selector switch on dashboard, probably one weed later it started popping like it was trying to engage 4wd, mechanic then replaced encoder motor, about one week later while driving in 2wd, starting popping again, one pop about every 500-600 ft. mechanic then replaced the axle actuator, few days later same thing again.
Submitted: 7 months ago.
Category: Chevy
Expert:  david craig replied 7 months ago.

Hi Im David, ran into similar problem a few years ago on a 4wd vehicle, cant recall what the make/model was, but the front propeller shaft was causing the problem.

Customer: replied 7 months ago.
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Customer: replied 7 months ago.
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Expert:  david craig replied 7 months ago.

try check front differential and rear differential fluids, front right halfshaft and front propeller shaft

Expert:  david craig replied 7 months ago.

Have you looked into the issue?