Drive shaft bolts (torque specs)

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DonA

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Location
E. TN
First Name
Don
Truck Year
1986
Truck Model
K-10
Engine Size
4.3 V-6
I have a 1986 K-10 short bed (4.3L V6).

What are the torque specs for

1) the rear drive shaft, U-joint to differential bolts (two 2 bolt retainers)

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2) the front drive shaft, four bolts to transfer case

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Thanks.
 

ali_c20

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Location
Austria
First Name
Alexander
Truck Year
1974, 1979
Truck Model
C20, K5
Engine Size
350, 350
Retainer strap bolts: 18 ft lbs, I found specs ranging from 15 - 20.

CV flange: Check the bolt grade, size and thread. Look up the torque specs.

You can use loctite on both.
 
Last edited:

DonA

Junior Member
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Nov 6, 2024
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Location
E. TN
First Name
Don
Truck Year
1986
Truck Model
K-10
Engine Size
4.3 V-6
10-4

Thanks.
 

ChuckN

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Location
Bellinham, WA
First Name
Chad
Truck Year
1981
Truck Model
C10
Engine Size
350
Retainer strap bolts: 18 ft lbs, I found specs ranging from 15 - 20.

CV flange: Check the bolt grade, size and thread. Look up the torque specs.

You can use loctite on both.
Just to clarify, blue loctite ?
 
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