dual fuel tank switch

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Kidduey

Junior Member
Joined
Apr 4, 2022
Posts
1
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Location
cleveland ohio
First Name
Dave
Truck Year
1981
Truck Model
K20
Engine Size
5.7
I have an 81 k20 with a 350. Irecently replaced the sending unit on the drivers side tank along with the switch on the dash however I cant switch tanks from the drivers side to passenger side. What should I be looking for to correct this problem .
 

SquareRoot

Full Access Member
Joined
Mar 18, 2017
Posts
3,694
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Location
Arizona
First Name
Mike
Truck Year
85
Truck Model
K20
Engine Size
350
Probably a bad switching valve, especially if it hasn't been used in a long time.
 

JeffK10America

Supporting Member
Supporting Member
Joined
Oct 31, 2020
Posts
315
Reaction score
673
Location
Easley sc
First Name
Jeff
Truck Year
1985
Truck Model
K10
Engine Size
350
What he said … you should hear a click when it switches. I know mine does .. especially since I replaced all of it..
 

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