1992 k1500 5.7 4L60 4WD
Got snow yesterday and engaged 4WD at low speed under 15 mph and when
4WD is engaged truck shakes and has mucho vibration. This happens as
soon as the floor lever is pulled back to 4 Hi, happens when moving in
Drive or with transmission in nuetral.
Any Ideas???? With snow coming this truck is going to be useless
without the 4wd.
Thanks in advance.
If I understand what you wrote your saying it vibrates when in 4x4 and
in motion. And that you shifted into neutral while in motion and it
If so check the U Joints on the front drive shaft and check the front
output yoke on the transfer case for play. A bad (dry or worn) U Joint
will cause vibration. Also look at the front axles for damaged boots or
CV joint problems. Even though they turn all the time while the vehicle
is moving it may be that one is worn enough to cause a problem when it
is under power.
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