1985 Chevrolet k20 with NP208 transfer case pops out of gear in 4 high

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mike kotarba

Junior Member
Joined
Nov 17, 2018
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7
Location
amherst am
First Name
michael
Truck Year
1987 and 1986
Truck Model
v20 and k20
Engine Size
350
I have a Chevrolet k20 with a NP208 transfer case that pops out of gear in 4 High.
It does not do do this in 4LOW mode.
Please advise,
 

AuroraGirl

Full Access Member
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Sep 8, 2019
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Location
Northern Wisconsin
First Name
Taylor
Truck Year
1978, 1980
Truck Model
K10, K25
Engine Size
400(?), 350
I have a similar situation sometimes. Linkage. my motor mounts and transfer case mount are broken and it pushes the shifter around because of how it fits and it kind of pulls it out of 4hi sometimes. i also have issues putting it down far enough for 4lo when it shifts forward. Once i fix my mounts and adjust the linkage,i think it will work fine.

However, another common problem with the np208 is shift rail problems. apparently its plastic(?) and it causes issues using the shifter. im not too knowledgeable on that details but its likely one of two scenarios. I would check linkage adjustment first before tearing into the t case
 

mike kotarba

Junior Member
Joined
Nov 17, 2018
Posts
19
Reaction score
7
Location
amherst am
First Name
michael
Truck Year
1987 and 1986
Truck Model
v20 and k20
Engine Size
350
Thank you Auroragirl for the feedback. I appreciate it alot.
 

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