[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]
I recently did some shopping for an accumulator for my 83 tqc.I was told
that the bomb from a bmw 735I is the same. Wholesale price for the
sphere,(it is threaded in to the control valve) is about $60.00 US. Manuf
by ATE part # 10 0515-0515 .3. Check it out , may save you some money. Q
listers may have some comments.
Fred S.Paul_Royal@isserv9.idx.com wrote:
> >What exactly are these
> >things? My guess is the "bomb" is the rectangular hydraulic fluid box on
> >the driver side of the motor that contains the fluid for the brake
> >booster and power steering. This fluid. Not to be confused with the
> >brake fluid reservoir -- the roundish thing in the middle of the engine
> >compartment that actually looks like a bomb. Am I close?
> >How often do the bombs go out? Where do you get them? How much do they
> >cost? How hard is it to do? Symptoms?
> >I kind of have a sinking feeling that mine is going (car has 61k).
> >Sometimes the brake warning light takes a minute to go off when I start
> >the car. The pedal feels kind of mushy and if I pump the pedal quickly
> >about 15 times, the light goes on.
> >As for Pentosyn, where do I get it. How do I know the previous owner
> >didn't use something else? If they did, how do I flush the system?
> Hi Tim...
> First...I've got a new address...I'm lucky I got this at all..should
> be in the header.
> The "bomb" is also known as the "brake pressure accumulator." I
> believe that it's main function is to maintain hydraulic pressure
> approaching the vicinity of 2500lbs...and to retain most of that pressure
> even after a night in your driveway. The reason your light is going on
> is probably because the diaphragm inside the accumulator is on it's way
> out which I believe is much more a function of age than use...or miles.
> Over night, you are probably losing pressure. After your car runs for a
> few minutes, the pressure is restored and the light goes out. Here's the
> caution: Under heavy and/or repetitive breaking (your 15 pump driveway
> test) the "bomb" does not have enough reserve or is not able to maintain
> the pressure that it should. You are now in what I consider to be in the
> caution zone. If it is the bomb, it will need to be replaced fairly
> soon. Do it now, get it over with, and be safe (got kids?). My
> experience tells me that bombs are usually good for 4-6 years on average
> (who knows). I do not believe that any "bomb" I've seen is a box...more
> like an expensive WWII German hand grenade with a big bulge in the
> middle. They should come in a velvet lined jewelry box for the roughly
> $275 they charge (and that's a good price) expect an installing shop to
> charge about $330-$350 which is reasonable. On your car you should be
> able to get out of the whole mess for less than 4 bills. Placement of
> most bombs is near the bottom of the engine compartment (listers?). That
> sinking feeling test of yours: My experience has been that after pushing
> a number of times you can push very hard the last time and feel an
> unnerving pulsing as the pedal gravitates towards the floor. I'm
> forwarding this to the Q-list so some other folks can critique it if I've
> given any misleading info....as for install..I personally do not like to
> do brake related work..it makes me nervous because I've had no good
> trainer or mentor...so I part with the $45 labor for this messy and
> critcal job....Good Luck!
> Most good foreign parts stores carry Pentosin at about $17-18 a
> quart. I have used Luca's version in the past with no ill effects for
> $11 a quart (it's only green baby oil for chrissakes). You could take
> the used Pentosin to a lab but that's undoubtedly overkill..you tell me
> How's the rest of the car treating you?
> Questions for you...where did you..and how much are you paying for
> the Bently?
> Is a car really yours until you've had sex in it?
> >>Paul Royal
> >> 90 90Q20v (no sex)
> >> 87 5Ks (interesting sex...sorry Huw)
> >> 67 SS/RS 350 Camaro (classic sex)
> >> 90 Suzuki VX800 (are you kidding me?)
> >>"THE BEAUTY AND CHARM OF THE WILDERNESS ARE HIS FOR THE ASKING,
> FOR THE EDGES OF THE WILDERNESS LIE CLOSE BESIDE THE BEATEN PATH
> OF THE PRESENT TRAVEL"
> -Theodore Roosevelt, 1916