4wd seems low

1998 MAZDA MPV
135,000 MILES • 6 CYL • 4WD • AUTOMATIC
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CJEXOTIC
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  • 2 POSTS
1998 mazda mpv van when you push button for 4wd its acts like its in low and then disengages with a loud thump
Dec 7, 2010 at 10:33 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
Have you checked the actuator on the transfer case?
Dec 7, 2010 at 11:04 AM
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CJEXOTIC
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  • 2 POSTS
no as I have no idea what that is.
Dec 7, 2010 at 11:14 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 POSTS
On the side of the transfer case is an electric motor. When you push the button in the vehicle for 4wd, it receives power and shifts to the requested gear.
Dec 8, 2010 at 6:43 AM
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