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post #1 of 5 (permalink) Old 10-07-05, 05:01 PM
John
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2001 V70 power Brake servo

Recently I hear a hissing sound when I release the brake peddle. It is
coming from the end or the power brake servo that is under the dash and will
stop after a short while and usually when I tap the brake peddle. What am I
in for a fix? The braking doesn't seem to be affected.

Thanks
JAY


 
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post #2 of 5 (permalink) Old 10-07-05, 07:01 PM
Glenn Klein
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Re: 2001 V70 power Brake servo

John wrote:
> Recently I hear a hissing sound when I release the brake peddle. It is
> coming from the end or the power brake servo that is under the dash and will
> stop after a short while and usually when I tap the brake peddle. What am I
> in for a fix? The braking doesn't seem to be affected.
>
> Thanks
> JAY
>
>

The brake booster is going bad there are no user serviceable parts for
repair

--
"*-344-*Never Forgotten"
Is for the New York City Firemen who lost their lives on September 11,2001.
The official count is 343, but there was also a volunteer who lost his life
aiding in the initial rescue efforts. And I will never forget them as
long as I live,
nor should any American.
 
post #3 of 5 (permalink) Old 10-07-05, 08:01 PM
Randy G.
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Re: 2001 V70 power Brake servo

Glenn Klein <Glenn@hotmail.net> wrote:

>John wrote:
>> Recently I hear a hissing sound when I release the brake peddle. It is
>> coming from the end or the power brake servo that is under the dash and will
>> stop after a short while and usually when I tap the brake peddle. What am I
>> in for a fix? The braking doesn't seem to be affected.
>>
>> Thanks
>> JAY
>>
>>

>The brake booster is going bad there are no user serviceable parts for
>repair


...what about a leaky cruise control hose at the brake pedal
switch.....? Booster is first choice, but I was wondering if the
cruise control was operating properly.

Ever bleed brakes and never have them come up very sell, only to
remove the booster and find it was full of brake fluid? "HEY!? How
come this booster is so heavy? Arghhh! There goes a good pair of
shoes!" ;-)


__ __
Randy & \ \/ /alerie's
\__/olvos
'90 245 Estate - '93 965 Estate
"Shelby" & "Kate"
 
post #4 of 5 (permalink) Old 10-11-05, 09:01 PM
jlittle@sclogic.com
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Re: 2001 V70 power Brake servo

Jay,

I also have this problem on my 2001 V70 XC. I just bought it, and am
new to Volvos. Can you tell me what happened with yours? What ended
up being the solution? Any advice would be appreciated.

Thanks!
Jeremy

 
post #5 of 5 (permalink) Old 10-14-05, 09:01 AM
Mike F
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Re: 2001 V70 power Brake servo

"Randy G." wrote:
>
> ..what about a leaky cruise control hose at the brake pedal
> switch.....? Booster is first choice, but I was wondering if the
> cruise control was operating properly.
>
> Ever bleed brakes and never have them come up very sell, only to
> remove the booster and find it was full of brake fluid? "HEY!? How
> come this booster is so heavy? Arghhh! There goes a good pair of
> shoes!" ;-)
>
> __ __
> Randy & \ \/ /alerie's
> \__/olvos
> '90 245 Estate - '93 965 Estate
> "Shelby" & "Kate"


There are no vacuum parts in the cruise control on the ETM (electronic
throttle module) equipped cars (1999-). And this chassis (S80, S60, V70
new style) has frequent failures of the brake booster in this manner.

--
Mike F.
Thornhill (near Toronto), Ont.

Replace tt with t (twice!) and remove parentheses to email me directly.
(But I check the newsgroup more often than this email address.)
 
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