'88 5KSQ (Type 44) Brake Problems

[Ameer Antar]

this is something in the brake system, b/c a bad servo will not make the 
pedal go to the floor. The brake servo is part of the hydraulic system, not 
the brake system. You may have air or moisture in the lines, or a leak 
somewhere. Check around the m/c for leaks. As long as none of your brakes 
or lines are leaking, the m/c must be the culprit. The servo could be bad, 
since the autocheck is removed. good luck.


At 09:12 PM 9/27/00, you wrote:
>The brake pedal on my '88 5KSQ will slowly go to or near the floor if I 
>hold pressure on it.  The warning light switch on the servo for the 
>Autocheck system is disabled.  The car has a new pump and pressure 
>accumulator ("bomb").  In a normal car, I would suspect the master 
>cylinder.  But what is the "brake servo"?  That is the thing between the 
>pedal and the master cylinder.  What does it do?
>
>At about 120K miles, I am ready to replace the master cylinder.  No 
>rebuilds for this critical part.  Should I also replace the servo?
>
>
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