Truck makes clicking noise while driving

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75gmck25

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Bruce
Truck Year
1975
Truck Model
K25 Camper Special TH350 NP203
Engine Size
5.7
My truck has stock wheels and hubcaps like the profile picture, so there isn't anywhere for much to stick in the wheels. However, the I may just pull off the front wheels to make sure something isn't stuck somewhere near the caliper. I don't think a stick would have lasted this long, but maybe I picked up something else.

Bruce
 

Preston

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Preston
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1983
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k10
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Automatic transmission? Flexplate?
 

75gmck25

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K25 Camper Special TH350 NP203
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5.7
Noise finally got consistent enough that a friend was able to find where it was coming from.

Its coming from the U-joint on the front drive-shaft where it connects to the transfer case. This is a double Cardan CV-like joint, so I its a combination of two U-joints to allow flex in two directions.

It looks like Moog and others sell replacement U-joints (Moog 280 or 269) and they only show one parts number for the double joint at the transfer case. Does this mean its the same U-joint for both halves of the double cardan joint? Anything special I need to know before I drop the driveshaft and start replacing parts?

Thanks,

Bruce
 

Snoots

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Roger
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1973
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Jimmy Sierra
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350
IMHO and if it were me I'd take the whole front shaft to a driveline shop and have them do the whole thing and balance it.
That's how I did mine and it was worth the $$.
Just my 2 cents.
 

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