The OEM proportioning valve should still be available from GM or Delco (under
the long # or the short) # and that's the only way to go if it needs
Don't mess around with seals and whatnot---not worth your life for a $100 part
(less on www.gmpartsdirect.com or through a Delco jobber).
Joe--ASE Certified Parts Specialist & 10th Ann.Club Tech Director
'80 Carousel Red Turbo T/A, 26k orig.
'79 "Y89" 400/4 speed 10th Ann. T/A, 57k orig
'84 Olds 88 Royale Bgm 2 dr, 307 "Rocket" (lol), 141k and still going....
'80 T/A project car...
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