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Old 10-03-2023, 09:05 PM   #3
olblue81
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Join Date: Jul 2005
Location: Saskatchewan
Posts: 189
Re: Dual tank problem: appears to switch side but only seems to draw off left tank

Quote:
Originally Posted by kwmech View Post
Is the motor actually moving or is it just making noise? I would pull the lines off the valve and using a hose, select one of the ports and see if you can blow through the valve then switch to the other and try to do the same
It makes noise, don't know if it actually moves anything inside the valve yet.
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1981 GMC Sierra Classic LWB
355- original 2 bolt block, 10.2:1, vortec heads, Comp XE268 cam, built by self in 1992
700R4-2000 stall with lockup, shift kit, Corvette servo
3.07 open diff- I need a 3.73 posi!

2nd owner since 1986 - 388,000 km and counting. 100k by the first owner and the rest by me.
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