Rear brakes locking up after Double MC/Booster install - The 1947 - Present Chevrolet & GMC Truck Message Board Network

**Backpayne** · 04-30-2017, 07:52 PM

My truck is drum/drum.

I just finished installing this mc/booster combo: http://piratejack.net/chevy-truck-19...er-brake-unit/ I bench bled the mc and bled the brakes properly.
I did install rear brake like to front port and front brakes to rear port (read that is proper?)
Issue: Rear brakes lock up when slowing down. I know front brakes are working as I lifted front up, spun front wheels, and watched them stop when brake was applied.

I know the link says that a drum/drum setup needs a metering valve but I thought it was a misprint and meant disc/drum.

Do I need a metering valve? If so will any work?

04-30-2017, 07:52 PM	#1
Backpayne Senior Member Join Date: Nov 2015 Location: Seligman, MO Posts: 642	Rear brakes locking up after Double MC/Booster install My truck is drum/drum. I just finished installing this mc/booster combo: http://piratejack.net/chevy-truck-19...er-brake-unit/ I bench bled the mc and bled the brakes properly. I did install rear brake like to front port and front brakes to rear port (read that is proper?) Issue: Rear brakes lock up when slowing down. I know front brakes are working as I lifted front up, spun front wheels, and watched them stop when brake was applied. I know the link says that a drum/drum setup needs a metering valve but I thought it was a misprint and meant disc/drum. Do I need a metering valve? If so will any work?

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