| | Stiff Brake Pedal |  |
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David
Established Member
Number of posts : 972
Age : 35
Location : hanover park
Vehicle : is a work in progress
Reputation : 4
 |  Subject: Stiff Brake Pedal  December 6th 2010, 3:21 pm | |
| Sometimes when im driving my car the brake pedal gets really hard. Could it be my brake master or booster going bad? | |
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Nachtmensch
whatever
Number of posts : 11764
Age : 37
Location : IL
Vehicle : MRS, IS350
Reputation : 48
| | Subject: Re: Stiff Brake Pedal December 6th 2010, 3:27 pm | |
| either booster or check valve, most likely.
a bad master cylinder would make a soft pedal. | |
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Teo
Forum Frequenter
Number of posts : 433
Age : 36
Location : North IL
Vehicle : Nissan Stanza
Reputation : 2
| | Subject: Re: Stiff Brake Pedal December 6th 2010, 4:31 pm | |
| ^^what he said. I guess there is some easy way you can test the booster. You have the engine running while holding the brake down. Keep the brake down and turn off the engine. If the pedal kicks back, your booster is not working or getting vacuum.
I heard this once and tried it, pedal kicked back so I replaced the booster. (after checking vacuum and check valve) And that solved my problem. | |
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David
Established Member
Number of posts : 972
Age : 35
Location : hanover park
Vehicle : is a work in progress
Reputation : 4
| | Subject: Re: Stiff Brake Pedal December 6th 2010, 4:54 pm | |
| thanks. Checked the hoses and valve, all good. gonna change out the booster. Any1 know how hard is it? | |
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Nachtmensch
whatever
Number of posts : 11764
Age : 37
Location : IL
Vehicle : MRS, IS350
Reputation : 48
| | Subject: Re: Stiff Brake Pedal December 6th 2010, 4:57 pm | |
| not too bad, but be careful of bending the hard lines too much. 2 nuts for the master, 4 in back on the pedal, and the pin through the brake pedal. you may have to adjust the rod in the booster on the new one. it should just barely touch the back of the master when the master is installed. | |
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revgasm_josh
Fucking Noob
Number of posts : 50
Age : 41
Reputation : 0
| | Subject: Re: Stiff Brake Pedal December 7th 2010, 4:13 pm | |
| this all sounds extremely familiar | |
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whiterps13
Post Enthusiast
Number of posts : 1385
Age : 37
Location : Rockford
Vehicle : S4
Reputation : 11
| | Subject: Re: Stiff Brake Pedal December 7th 2010, 4:22 pm | |
| Are you having bad idle issues? Could be a bad vacuum line that runs into the brake booster as well. The same thing happened to me and there was a huge hole in my vacuum line.
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Nachtmensch
whatever
Number of posts : 11764
Age : 37
Location : IL
Vehicle : MRS, IS350
Reputation : 48
| | Subject: Re: Stiff Brake Pedal December 7th 2010, 4:24 pm | |
| - revgasm_josh wrote:
- this all sounds extremely familiar
hahahaha on that note, make sure your valve is facing the right way. arrow towards the engine  | |
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David
Established Member
Number of posts : 972
Age : 35
Location : hanover park
Vehicle : is a work in progress
Reputation : 4
| | Subject: Re: Stiff Brake Pedal December 7th 2010, 5:14 pm | |
| yeah i checked the valve. Was facing the right way. | |
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