What are some reasons that the brake pedal would lose pressure?

Master Cylinder?
Brake Booster?

When the car is off and you pump the pedal it gains pressure rather than going stright to the floor.

 

Sounds like air in the brake lines. Bleed your brakes. If that doesn't help, then maybe you need a master cylinder.

Is the fluid leaking out anywhere? Does the reservoir stay full?

When the car's running, does it pump up also (like when it's off)?

 

We did bleed the front brakes but did not do the rear, going to re-do it right.

I notice some fluid coming from the m/c area when I was replaceing the front passenger side suspension, when I was moving the caliper there was some fluid that leaked out when there was some pressure. The reservoir does stay full.

When the cars running there is no pressure in the pedal, it still stops but the pedal is pressed all the way down...

 

You should not bleed the front alone, it should be done diagonally, rear right first then front left, then rear left and finally front right.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by futuresi &raquo;</TD></TR><TR><TD CLASS="quote">
When the car is off and you pump the pedal it gains pressure rather than going stright to the floor.</TD></TR></TABLE>

this is what is supposed to happen. if the car is off and you pump the pedal it should get really hard. this is bc you are draining the vacuum out of the brake booster, and are not being helped out by it. if this is what is happening then you are fine.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by gsrclan &raquo;</TD></TR><TR><TD CLASS="quote">You should not bleed the front alone, it should be done diagonally, rear right first then front left, then rear left and finally front right.</TD></TR></TABLE>

you should bleed the brakes furthest from the master cylinder first. then 3rd furthest, 2nd, etc.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 93preludevtec &raquo;</TD></TR><TR><TD CLASS="quote">

you should bleed the brakes furthest from the master cylinder first. then 3rd furthest, 2nd, etc. </TD></TR></TABLE>

well honda does it kinda weird. honda helms manual states you start from the right rear corner then left front corner, then left rear corner and finally the right front corner. it's suppose to be in a diagonial pattern. it weird for me the first time I did it according to the helms manual but hey that's what honda wants.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by sleeperciv &raquo;</TD></TR><TR><TD CLASS="quote">... it's suppose to be in a diagonial pattern. it weird for me the first time I did it according to the helms manual but hey that's what honda wants.</TD></TR></TABLE>
Diagonally opposite wheels are on the same circuit. You usually do them right after each other, 'cause if you wait too long then bubbles can move back into the one you just did.

Check a manual for YOUR CAR, because they're not always the same. Especially with ABS. My 3 cars all have different bleeding orders, because the plumbing for the brakes aren't all the same.

The order should be based on which one is more likely to let bubbles move into which other one. If you do them in the wrong order you might have to go around a couple times before all the bubbles are out.

 

Thanks for the replys. I will tell him to re-bleed the brakes correctly and then see what happens after that.