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Re: 2000 Sierra Z71 Auto 4wd issues
Could be that something electrical with a switch or even a fuse is bad and may be sending the wrong signals to the actuator. Or maybe even the actuator itself is bad. Also when you are in 4wd on pavement or stone your wheels should not spin, at all. To test if your 4wd is working, engauge it on a dirt road or stones and floor it, if it is working you should spin very little and if it isnt working you will definatly know. Not a good idea to put the truck in 4wd unless you plan on using it for something, ie: do not go down the road in 4wd as it will cause things to wear and eventually break. My best guess would be a relay switch or maybe even the actuator itself, but you should get it checked out.
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"Never under estimate the power of stupid people in large groups."
1997 K-1500 Silverado Vortec 350...125,610 and wounded
HD chassis package
Custom TRUE DUAL exhaust with cut-outs and Flowmaster 40 series mufflers
Poweraid Throttle Body Spacer
Custom Ram-air Intake with K&N FIPK GEN II
TFES Performance 3" Suspension Lift
Dual Air-Horn Kit with Compressor
Bed-Mounted 48" Hi-Lift Jack
Cobra Laser Radar Detector
285/75/R16 Cooper Discoverer STT's
1/4 Mile 10/15/05: 16.43 @ 91mph
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