Re: 'bomb' failure sensor

[Peter Kollias <pkollias@syrisscientific.com>]

Well said.

Peter Kollias
5ktq (still going.......)

Phil Payne wrote:

> In message <361291E6.72E2@worldnet.att.net> Pcarselle writes:
>
> > > My mechanic tells me that my bomb is bad.
> > > I'll live with that for a while, but AutoCheck
> > > keeps telling me, too. Where's a good (easy) place
> > > to disconnect that sensor, so that the light
> > > will be off and able to come on if another sensor
> > > says so?
>
> > Sensor (sender) is located above auxiliary boost cylinder, located
> > behind the brake master cylinder and very close to the firewall. Has two
> > connectors attached....disconnect one.....done!!!
>
> I don't think I've ever heard anything so irresponsible.
>
> The sender on the brake servo is giving a very simple message - instead
> of the nominal 140 bar assist pressure, there is (nominally) less than
> 107 bar.  There are a number of possible causes for this, but the
> general consequence is - there is insufficient brake assist available to
> provide safe braking.
>
> Forget the bullshit about 'twenty brake applications from a full bomb' -
> that applies only to non-ABS braking operations.  In a _real_ emergency,
> ABS eats brake assist at 0.25 bomb/sec.
>
> [To original poster]
>
> A bad bomb results in a potentially LETHAL vehicle.  True, you can drive
> around and pretend there isn't a problem.  Do me (and every other driver
> you're likely to meet) a favour - take your car out on gravel or snow
> and see how it stops once the ABS engages.  Friendly tip - pick
> somewhere without too many trees, and lay a plastic sheet under your
> ass.
>
> --
>  Phil Payne
>  Phone: 0385 302803   Fax: 01536 723021
>  (The contents of this post will _NOT_ appear in the UK Newsletter.)