[DeTomaso] Brake Caliper Question

[Tomas Gunnarsson]

This sounds normal to me. It should require multiple pedal strokes to pop the pistons oout completely.

Tomas

----- Original Message ----- 
From: <loudonc at comcast.net>
To: "Mike Thomas" <mbefthomas at comcast.net>; "'Mark McWhinney'" <msm at portata.com>; <detomaso at realbig.com>
Sent: Thursday, October 18, 2007 2:26 AM
Subject: Re: [DeTomaso] Brake Caliper Question


> Thanks to all who responded on this. I apologize for not being clear. The pistons can push back, but upon applying brake pedal pressure the pistons only come back out a limited amount, not matter how much pressure is applied at the pedal. I expected that the pistons would push the pads out. 
> 
> Any other thoughts based on this clarified explanation ?
> 
> Thanks, all.
> 
> Hap
> #3664
> -------------- Original message ----------------------
> From: "Mike Thomas" <mbefthomas at comcast.net>
>> Also, it's worth the $50 to take it to your local Les Schwab or other tire
>> shop and have them do a pressurized bleed of the brakes.  Just be sure
>> before you go that you tell them that you have limited ground clearance to
>> be sure they can get you up on a lift.  The difference in pedal feel and
>> brake response is way beyond what you can do with an old fashioned home
>> bleed job.
>> 
>> Mike Thomas
>> Panteras Northwest 
>> 
>> -----Original Message-----
>> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
>> Behalf Of Mark McWhinney
>> Sent: Wednesday, October 17, 2007 2:06 PM
>> To: loudonc at comcast.net; detomaso at realbig.com
>> Subject: Re: [DeTomaso] Brake Caliper Question
>> 
>> The pistons don't need to move very far.  How much is "a limited amount"?
>> 
>> You could have a leak at the master, air in the line, or just poor old pads.
>> 
>> Assuming you already have nice, clean brake fluid and have bleed it well,
>> try popping in a new set of Porterfield pads.
>> 
>> 
>> -----Original Message-----
>> From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
>> Behalf Of loudonc at comcast.net
>> Sent: Wednesday, October 17, 2007 1:48 PM
>> To: detomaso at realbig.com
>> Subject: [DeTomaso] Brake Caliper Question
>> 
>> The pistons in my original brake calipers, when removed from the rotor, but
>> with hydraulics attached , only move a limited amount. Could anything other
>> than corrosion in the caliper be limiting their movement ?  Any suggestions
>> for repair. Braking power on the car is not great.
>> 
>> Thanks, 
>> 
>> Hap
>> # 3664
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