Question about 2000 Buick Park Avenue

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When I step on the brakes there is a wooshhh sound as long as I hold the brake pedal down. Also, I step on the brakes and the car will stop but then the pedal goes further like a bleed issue. All brakes replaced about 3 months ago and have been fine. I am thinking maybe a vaccum leak or a booster internal leak or internal master cyl leak? In the last 2 months I have had the ABS light come on intermittently. It also feels like the brakes are harder to depress.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 29 Answers

SOURCE: Brake repair

sounds like maybe you didn;t bleed the brakes and there is air in the system. I would start with that

Posted on Nov 17, 2008

muttandjeff
  • 359 Answers

SOURCE: Brake problems

still got air bleed more

Posted on Nov 27, 2008

  • 31 Answers

SOURCE: Buick Grand National vacuum brake conversion

^ Turbo Cars have Lots of Vaccum, Where did you ever get this idea from. I have personally converted 10+ Turbo Buicks to Vac brakes.

Make sure the check valve is okay at the booster. but it does sound like you have a bad booster.
Also, did you change the brake pedal to a Vac brake pedal?
They are not interchangeable.

Also, you should not have drilled the plenum, you can get a vaccum block to replace the plastic one on the top of the plenum with a vac brake port.

Posted on Jan 29, 2009

alicantecoli
  • 22133 Answers

SOURCE: I have a 1996 buick century with little brake pedal resistance

not sure here,firstly remove rear brakes and clean lip out on drum then manually adjust rear brakes,if still no pressure then renew master cylinder,tandem master cylinder and if seal between front and rear chamber is worn you will never get any pressure just brake pedal creeping away to floor

Posted on Mar 31, 2009

  • 2 Answers

SOURCE: brakes

i had some what of same problem but light was only coming on when i hit the brakes and it turned out it was telling me i needed new pads in the front check and see if they r low

Posted on Dec 06, 2009

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1 Answer

Step by step instructions for replacing brake booster on a 1999 Toyota Camry


its my pleasure to answer your question how to replace the brake booster :
1 With the engine off, step on the brake pedal several times to relieve the brake booster of vacuum.
2 Press the brake pedal down and start the engine. Verify that the brake pedal sinks slightly. Turn off engine.
3 Remove the vacuum hose from the brake booster.
4 Remove the brake lines from the master cylinder. Remove the master cylinder from the brake booster. Plug the fittings to prevent brake fluid seepage.
5 Disconnect the brake pedal from the push rod.
6 Have an assistant hold the brake booster from inside the engine compartment. Remove the nuts that hold the brake booster to the firewall. These nuts are usually located under the dash on the interior of the firewall.
7 Remove the brake booster.
8 Install the new brake booster to the firewall. Tighten the mounting nuts.
9 Connect the push rod to the brake pedal.
10 Connect the vacuum hose to the brake booster.
11 Attach the master cylinder to the new brake booster and reconnect the brake lines.
.12 Bleed the brakes at the master cylinder.

Oct 04, 2013 | Cars & Trucks

2 Answers

I have a 2004 Land cruiser and changed the right rear brake cyl and brake shoes . What is the proper procedure to bleed the rear brake system. Thank you for your help.


  1. Check the fluid level in the reservoir after bleeding each wheel. Add DOT3 fluid, if necessary.
  2. If the master cylinder was disassembled or if the reservoir becomes empty, bleed the air from the master cylinder as follows:
    1. Disconnect the brake lines from the master cylinder.
    2. Slowly depress the brake pedal and hold it.
    3. Block off the outlet plug with your finger, and release the brake pedal.
    4. Repeat 3 or 4 times.

  3. Bleed the brake starting with the one furthest from the reservoir and then the next furthest, etc.
  4. Depress the brake pedal several times, then loosen the bleeder plug with the pedal held down.
  5. At the point when fluid stops coming out, tighten the bleeder plug to 11 Nm (8 ft. lbs.), then release the brake pedal.
  6. Repeat until all the air in the fluid has been bled out.
  7. Repeat the procedure to bleed the air out of brake line for each wheel.
  8. Check the fluid level and add DOT3 fluid if necessary.

Aug 07, 2011 | 2004 Toyota Land Cruiser

1 Answer

Metal on metal noise when driving. Sounds like brake noise when brake pads are in need of replacement. Sound goes away when the brake is applied. Car only has 20,000 miles on it (2006).


Hello tgiro7: My name is Roger and I will help with your question. The fact the noise goes away when stepping on the brake pedal says the problem most likely is in the brake area. The pads could be worn out even at 20,000 miles.If the noise sounds like it comes from the front remove the wheels and check the front pads. If the pads are bad most likely the rotors are also bad.Same would apply if the noise emits from the rear. When you have the wheels off check to make sure the calipers will slide in and out on the mount pins. Should they be stuck on binding the pads will wear excessively and prematurely fail. The calipers must move freely on the pins. If you drive with your left foot on the brake pedal? The amount of pressure required to apply the brakes and not stop the vehicle is 1 to 2 pounds of pressure. Wont turn on the brake lights but will put pressure on the calipers. This in turn will wear out the brake pads. Another thing to look at would be an out of adjustment brake switch. Reach down and grab hold of the brake pedal. Give a firm tug on the pedal. Should you feel the pedal give and hear a click or two the switch was set to deep and holding the brakes on.
Should you need further help please just ask. Please rate the answer. Thank You for using Fix Ya. Roger

Jun 16, 2011 | Chrysler Crossfire Cars & Trucks

1 Answer

Hard to push brake pedal down to stop.


1. Check brake fluid level and look for leaks in the brake lines and at the calipers.
2. Bleed the brake fluid completely and replace with fresh fluid (google search: how to bleed brakes). Then bleed air by having someone press the brake pedal 4-5 times, then press and hold while you open the bleed valve and close when fluid streams out. start with the rear wheel (if 4wheel disc brakes) then move to the front.
3. Replace Master Cylinder (sorry, but if 1 or 2 didn't fix it, this is the last option) This is usually over $150, and will involve step 2 again when completed.

Good luck, hope this helps.

Sep 29, 2009 | 1996 GMC Sierra

2 Answers

Power brakes not working


No such thing as vacuum lines to the master cylinder. You do have a vacuum line on the brake booster (power assist). When you step on the pedal do you hear a whoosing sound down by your pedal. This is a leaking Booster. Needs replacement.

When you step on the brake does the engine rpm change. This is a leaking check valve (one way air valve).

Jul 17, 2009 | 1996 GMC Sonoma

1 Answer

Have to press hard on breaks to break on 528i bmw 2000


sounds like brake booster not working
check vacuum hose that goes to booster is ok and not leaking
engine off
pump up brake pedal several times
hold brake pedal down
start engine
pedal should sink down approx half to 3/4 way down indicating booster is working
if pedal doesnt go down when engine is running booster has leak or no vacuum supply from engine which requires great pedal effort to try and get vehicle to stop.

Jun 26, 2009 | 2000 BMW 5 Series

2 Answers

Brake pedal goes to the floor after you make your initial stop at a red light.while you;re holding the brake


there is either a leak in one of the lines or you have air in the brake lines. start by bleeding your brakes lines and checking you fluid. then see if you notice a leak in which case fix it then bleed that line and you should be good. if not then it could be a bad master cylinder that would be the next step. also if you had your rotors cut down below spec then the pedal could go to the floor and not have much stopping power. same could go for very bad pads. but from what you explained it sounds like a leak

Mar 28, 2009 | 2000 Dodge Neon

1 Answer

02 mountaineer dome light goes on when I step on the brake


look for loose wires near the brake pedal and linkage that may be grounding to it or moved when you hit he brake

Mar 23, 2009 | 2000 Dodge Durango

1 Answer

2000 isuzu rodeo brake problems


your master cylinder is gone. when stopped apply pedal and hold let up slightly then reapply if pedal sinks to floor master is bad.

Nov 11, 2008 | 2000 Isuzu Rodeo

3 Answers

Brake pedal goes too far down. Brakes still stop car fine. Too much pedal travel. 2005 model year.


You have to check your master cylinder, pump your brake several times and hold it, see if is going down to the bottom, if does, the master cylinder is wrong, check the brake pressure hose, maybe you have some air in your brake lines, be sure you have enough brake fluid

Jul 27, 2008 | 2004 Toyota Camry

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