V6 brakes spongy & whooshing/vacuum sound inside car after caliper swap - Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums

Carmikaze · 03-26-2014, 10:28 PM

Hey guys, looking for some technical advice after installing my stock v6 calipers after powder coating and bleeding the brakes starting with passenger rear, then driver rear, passenger front and finally drivers front, brakes feel spongy and make a whooshing sound inside the car when the brakes are applied. Anything I may have missed after reinstalling the calipers or in bleeding? No leaks from brake lines or bleed ports. Thanks

intensifi · 03-26-2014, 10:38 PM

How much fluid in your reservoir?

How did you bleed?

Carmikaze · 03-26-2014, 11:05 PM

Kept the reservoir full, checked it after each caliper was bled. 2 person bleed.

Avalnch · 03-27-2014, 01:50 AM

If you've got air into you ABS, you'll need to go to the dealer.

Carmikaze · 03-27-2014, 06:46 AM

Quote:

Originally Posted by 130R

If the pedal is soft you still have air somewhere.

Air could be trapped in the ABS pump. Sans a Tech II, you'll have to cycle the ABS pump by activating the ABS.

If the master got low while the calipers were off, there could be air in the master. If that's the case, you'll have to bench-bleed the master.

Do you have enough pedal to activate the ABS?

Master stayed at full line as I capped the lines while calipers were off.

Activate the ABS......high speed, wet road, hard brake push? Thanks

Carmikaze · 03-28-2014, 09:47 PM

Thanks for all the advice. Just wanted to finish this up and say I did figure out the air problem so that if anyone else has this problem maybe this will help, three words....bleed screws up. Lol

03-26-2014, 10:28 PM	#1
Carmikaze HTCC Membership Director Drives: 2013 RS Camaro Join Date: Jan 2014 Location: Cypress TX Posts: 277	V6 brakes spongy & whooshing/vacuum sound inside car after caliper swap Hey guys, looking for some technical advice after installing my stock v6 calipers after powder coating and bleeding the brakes starting with passenger rear, then driver rear, passenger front and finally drivers front, brakes feel spongy and make a whooshing sound inside the car when the brakes are applied. Anything I may have missed after reinstalling the calipers or in bleeding? No leaks from brake lines or bleed ports. Thanks

03-26-2014, 10:38 PM	#2
intensifi Drives: '12 2LT Convertible Join Date: Mar 2012 Location: Belmont, California Posts: 1,701	How much fluid in your reservoir? How did you bleed? __________________ Mods: GM Locking Gas Cap, RS License Plate Frame, SS Brembos, ZL1 FrontEnd, 14/15 Convertible Top

03-27-2014, 01:50 AM	#4
Avalnch Drives: Rally Yellow Camaro+Avalanche Join Date: Dec 2009 Location: Vancouver Posts: 1,110	If you've got air into you ABS, you'll need to go to the dealer. __________________ Vengeance Kaotik Cam, C.A.I., ARH LT, Pypes Cat Back, ZL1 Shifter+2012LS3VERT bushing, Quantum Brake Ducts, JDP Tow Hook Scorch Yellow Trim Kit, Shark Fin, AAC DRLs+ABLs+SMDs, ZTA Rear Spoiler, R.Y. 1LE Splitter. Pfadt coilovers, camber plates, trailing arms, Pegasus Solid Subframe. Pedders ZL1 barz, radius arm & steering rack bushings. BMR adjustable toe-rods. Hotchkis Max Chassis Brace. ZL1 GMPP Driveline Upgrade. TurnOne P/S pump. CTS-V 6 pistons. 447 HP @ 6180 RPM / 418 TQ @ 5100 RPM

03-26-2014, 11:05 PM	#3
Carmikaze HTCC Membership Director Drives: 2013 RS Camaro Join Date: Jan 2014 Location: Cypress TX Posts: 277	Kept the reservoir full, checked it after each caliper was bled. 2 person bleed.

03-28-2014, 09:47 PM	#6
Carmikaze HTCC Membership Director Drives: 2013 RS Camaro Join Date: Jan 2014 Location: Cypress TX Posts: 277	Thanks for all the advice. Just wanted to finish this up and say I did figure out the air problem so that if anyone else has this problem maybe this will help, three words....bleed screws up. Lol