94 blazer rubbing

You ever have on of those weeks with your truck on monday ICM went had it towed. The shop knocked of my vacuum lines reconected them truck was running great on thursday rubbing started the slower I go the loader the rubbing sound gets I jacked up the back and ran no rubbing in the back or rubbing of the trans sounds like in the front,but put truck in 4 wheel drive the rubbing goes away rides normal no rubbing. and I checked the u joint their good how do i check the cv joints
any help
RANDY

You ever have on of those weeks with your truck on monday ICM went had it towed. The shop knocked of my vacuum lines reconected them truck was running great on thursday rubbing started the slower I go the loader the rubbing sound gets I jacked up the back and ran no rubbing in the back or rubbing of the trans sounds like in the front,but put truck in 4 wheel drive the rubbing goes away rides normal no rubbing. and I checked the u joint their good how do i check the cv joints
any help
RANDY

Please retype that in english.

Please retype that in english.
he used english, but i failed to notice the question mark. Or any punctuation at all, he didnt use sentences

?????