1979 Chevy Fleetside Shortbed CONV.

[maddog_blazer]

Hello Out there in 4x4 land, I have a small problem I wondered if someone could help pinpoint a noise I recently came across after hooking up my Chevy k-10 which I converted from 1/2 to a pair of 3/4 ton 373 axles front axle being a 10 bolt and rear being a 14 bolt corporate being pushed by a sm465 and np205 transfercase. It seems after placing on my newly rebuilt front driveshaft and giving the 4wd a spin around I noticed a clicking noise when I engaged it from 2wd to 4HIGH. now this truck was an auto and had to drop a hole in the floor for the shifter on the sm465 to be mounted and I noticed the np205 when your engaging the shifter from 2 wd to 4 high wd tends to bump the shifter linkage against the hole on the floor where the 4wd transfercase shifter is located so Im wondering before I take another look if the transfercase isnt being pulled all the way back and is being held back before completely engaging would that be a sypmtom for the clicking noise Im hearing which sounds like its eminating from the transfercase. Any advice on this please feel free to assist this amateur. Thanks a TON

 

[resurrected_jimmy]

The shifter needs more clearence for sure, but the clicking noise needs a little more diagnosis. Noises resonate under a vehicle and come from places you wouldn't suspect. I would check for driveshaft hitting crossmember, u-joint bind, and possibly jack the front wheels up and make sure its not a locking huub making the noise.

 

[YZEATER]

could be the hub or the front driveshaft cv joint needs clearance if you have some lift. 465/205's have short front shafts and steeper angles.

 

[70jimmy]

yep make extra room around the shifter for sure.

I had to clearance my U-joint at the front of the Tcase because of the angle. I do still get some clicking when the front droops near max. Also look at clearance on crossmembers

 

[bigjbear]

Check the front driveshaft, as sugested, and make sure there is grease in the axle shaft u-joints.