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72 GMC K1500 · 01-18-2006, 10:26 AM

Will the rest of my brake components work with a dual-diaphram booster? Or will I have to replace (again) the Master Cylinder? Is the dual-diaphram booster a 3/4 ton unit, or for a later year truck? The reason I am asking is when I go to NAPA I just want to ask for the correct part. Thanks.

01-18-2006, 10:26 AM	#7
72 GMC K1500 Registered User Join Date: Mar 2005 Location: Castle Rock, CO Posts: 24	Re: How do you tell if a Brake Combination Valve is Defective? Will the rest of my brake components work with a dual-diaphram booster? Or will I have to replace (again) the Master Cylinder? Is the dual-diaphram booster a 3/4 ton unit, or for a later year truck? The reason I am asking is when I go to NAPA I just want to ask for the correct part. Thanks. __________________ 1972 GMC K1500, sbc 350, turbo 350 Castle Rock, CO