Hard to shift into and out of 4 wheel drive

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Scottserado

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Kentucky
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Aidan
Truck Year
1985
Truck Model
K10
Engine Size
350
Hey everybody I need help figuring out why my 85 k10 is hard to shift into 4 wheel drive it’s a bit hard to do I think my transfer case is on its last leg and might replace it it’s a cast iron one is all in know.
 

WebMonkey

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Chris
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1985
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K20
Engine Size
350
1985 should be aluminum except k30.

anyway, even if you fill up the case with the proper fluid, this could happen.
my case was super duper hard to shift from 4wd to N to 4lo.
then it died.

that's my 'flying turd', so be careful and get that case some lovin'.

:)

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Scottserado

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Aidan
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1985
Truck Model
K10
Engine Size
350
I just got the truck November as a project and the owners trashed the thing no transmission fluid so I’d say it might need a new one.
 

RoryH19

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Rory
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1987
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350 TBI
1985 should be aluminum except k30.

anyway, even if you fill up the case with the proper fluid, this could happen.
my case was super duper hard to shift from 4wd to N to 4lo.
then it died.

that's my 'flying turd', so be careful and get that case some lovin'.

:)

You must be registered for see images attach
I had a 86 k20, same t-case NP208. I've bottomed out, even with a lift, several times and only cracked the case. Partial skid plate doesn't cover all.
I've never blown one up before.
 

RoryH19

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350 TBI
I just got the truck November as a project and the owners trashed the thing no transmission fluid so I’d say it might need a new one.
You will have the lighter duty 27 spline NP208 since it's a k10, unless it was changed sometime.
Do you have a TH350 trans?
 

Scottserado

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Location
Kentucky
First Name
Aidan
Truck Year
1985
Truck Model
K10
Engine Size
350
You will have the lighter duty 27 spline NP208 since it's a k10, unless it was changed sometime.
Do you have a TH350 trans?
I’m not sure what trans that would be but what I have is a 3 speed column with 4 wheel drive no overdrive
 

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