@stangry5.0: What could cause brakes to go from working great to basically being manual #stangry #fred #obschevy #obstrucks #carcommunity #carsoftiktok #mechanic #lsswap #cartoo #tiktokautocampaign #fyp

Parker Jones
Parker Jones
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Region: US
Thursday 21 August 2025 00:16:55 GMT
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remmy_evans
Remmy Evans :
Add check valve in that hose, arrow(on the check valve) pointing towards booster
2025-08-21 00:30:50
138
erichaislip
Eric Haislip :
not putting out as much vacuum because of the big cam shaft put a vacuum canister on it or electric vacuum pump
2025-08-21 00:38:12
84
obsking0
Diego Zacarias :
It’s you break booster
2025-08-21 03:17:26
6
dannymeza77
Danny Meza :
Use this hook up power to key on and run a hose to the booster and mount it out the way.. get one off a dodge or Chevy from the junkyard
2025-09-30 04:57:54
1
just_a_turbo_civic
JUST_A_TURBO_CIVIC :
big cam causes this, this is why people run vacuum pumps with big cam street cars
2025-08-21 02:37:19
14
solomondearmon
solomondearmon :
you don't have enough vacuum need a electric pump it is a built engine so you have less vacuum
2025-08-21 02:15:19
5
jfugate33
💯Jeff Fugate :
The check valve is the plastic piece that is connected to by your power brake booster. If you pull it out of the booster you should hear the sound of air for maybe a second after you pull it out sometimes requires a little effort. The booster stores engine vacuum to help with your power brake assist. Master ASE Certified Technician
2025-08-21 19:47:10
7
williefrix
Willie Frix :
not enough vacuum because of cam
2025-08-21 13:17:07
6
dakotajones722
Dakota :
GMT800 Swap the master Cylinder
2025-08-21 02:45:59
6
codymuchwano_
codymuchwano_ :
Hi Parker
2025-08-21 00:19:45
8
redwhiteandned
Kane :
Check the check valve, if thats not it, then add a vacuum canister
2025-08-21 00:41:32
19
pinknightmaresrt4
PinkNightmareSRT :
Vacuum booster needs vacuum. Big cams drop manifold vacuum, you need a vacuum pump to assist it
2025-08-21 03:47:48
13
danielmccoy798
daniel mccoy798 :
change it to hydro booster
2025-08-21 03:11:20
7
jeff_bowshier
JeffreyB :
Daddy took the check valve out but add one in and see if it helps. Also probably didn’t help there was zero fluid in the system at the time and we never bled them 😂
2025-08-21 03:29:01
8
bigblac65
The truck guy :
The brake booster is bad just replace it brake booster goes bad it’s super hard push in
2025-08-21 00:55:55
5
slow_2g
Slow2g :
It’s a vacuum problem from where you can is so big
2025-08-21 01:43:11
6
big_kuchefskic
Kuchefski_c :
A lot have said it you put a cam in it that lowers vacuum pressure making it harder for the brakes to work you will need to increase vacuum with a better pump or retro fit a hydo boost system to keep the brakes going
2025-08-21 01:47:50
9
36mr.mike
36mr.mike :
Sounds like the engine is not producing enough vacuum or you’ve got a bad booster check valve just swapping a Hydro boost
2025-08-21 03:10:51
6
marcwallace1430
Marc Wallace :
due to the cam and tune your not getting enough vacuum. you need to swap to hydro boost. it requires a different power steering pump as well as a different brake booster.
2025-08-21 03:10:37
4
praymond44406
PRAYmond :
Not enough vacuum with the chop. Add a vacuum pump
2025-08-25 23:38:08
2
grizzlynation_01
Grizzly :
need to add a check valve or a vacuum pump it's due to the camming is raising and lowering the vacuum instead of keeping constant vacuum pressure. may be able to add a vacuum canister
2025-08-22 23:36:40
2
reclusivesocks
reclusive :
Do you have a converter ?
2025-08-21 23:17:49
1
stepside_1.5k
Stepside_1.5k :
Usually when you put an aftermarket cam on a motor you will loose pressure on the vacuum hose. People put an electric vacuum pump to ensure the brakes still work as they should
2025-08-22 11:07:09
1
nathanatkins77
Audiboss :
Needs a vacuum pump because of the cam
2025-09-01 15:10:00
1
michaelfree0
Michael Free :
It could be losing vacuum when it starts shopping chopping like that try a normal tune just to see
2025-08-22 15:35:33
1
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