1987 r30 proportioning valve - The 1947 - Present Chevrolet & GMC Truck Message Board Network

gmcdeadhead · 09-16-2013, 06:59 PM

does any one no the gm part number for a 1987 r30 proportioning valve, thanks.

Keith Seymore · 09-17-2013, 08:39 AM

I believe I do -

These are the brake system release charts that were used to release the parts for production. Scroll down on the 1987 chart to "combo valve":

http://67-72chevytrucks.com/vboard/s...d.php?t=510519

Looks like it's a 1257203 or a 1257087 (depending on wheelbase).

K

09-16-2013, 06:59 PM	#1
gmcdeadhead Registered User Join Date: Jul 2007 Location: branchburg, new jersey Posts: 568	1987 r30 proportioning valve does any one no the gm part number for a 1987 r30 proportioning valve, thanks.

09-17-2013, 08:39 AM	#2
Keith Seymore Registered User Join Date: May 2009 Location: Motor City Posts: 9,226	Re: 1987 r30 proportioning valve I believe I do - These are the brake system release charts that were used to release the parts for production. Scroll down on the 1987 chart to "combo valve": http://67-72chevytrucks.com/vboard/s...d.php?t=510519 Looks like it's a 1257203 or a 1257087 (depending on wheelbase). K __________________ Chevrolet Flint Assembly 1979-1986 GM Full Size Truck Engineering 1986 - 2019 Intro from an Old Assembly Guy: http://67-72chevytrucks.com/vboard/s...d.php?t=342926 My Pontiac story: http://forums.maxperformanceinc.com/...d.php?t=560524 Chevelle intro: http://www.superchevy.com/features/s...hevy-chevelle/



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