After repeated hard stops (bedding in the pads in the new rotors at the
time) the passenger side rear drum makes a loud squealing noise under
hard braking then locks up for an instant, then the ABS kicks in hard
for the rears, but the fronts haven't reached full braking force yet
since they still have remaining grip.
The loud squealing also happens when it's wet and the rear drums have
been sitting for a day or so, again, mostly on the passenger side rear.
They also get extremely grabby, to the point even a slight nudge on
the pedal will throw you forward hard. I've learned to drag the brakes
slightly with a feather touch on the brake pedal going down the
driveway. One they warm up a little they're ok, but I still hear a
slight squeal coming to a stop sometimes.
To clarify, this isn't the squeal like rivets on a brake shoe are
digging into a drum. It's more the noise like the brakes on a city bus
for example.
On 02/03/2011 06:43 PM, Brian wrote:
>
> If the rear is locking up with the drums then you have a problem with your
> ABS system as all Dakotas since at least '94 have had RWABS standard.
> Switching to the 2003 rear disc set up, or even the SSBC rear disc
> conversion is a very worthwile mod. It WILL help with braking performance
> even on a daily driver. The rear drums on Dakotas have always been marginal
> at best, even when adjusted properly.
>
>
>
> brian cropp
>
> _____
>
> From: owner-dakota-truck@bent.twistedbits.net
> [mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of
> jon@dakota-truck.net
> Sent: Wednesday, February 02, 2011 9:14 AM
> To: dakota-truck-moderator@bent.twistedbits.net
> Subject: Re: DML: Brake Upgrade
>
>
>
>
>
> "M.B."<mailinglists@moparhowto.com> wrote:
>> Depends on what year truck you have. When they went to the 12" brakes
>> in what, 2003? I think that was about as big as you could get.
>
>> I personally would rather convert to discs on the rear as my drums are
>> my limiting factor. They lock up long before the fronts do and the ABS
>> kicks in hard. I think my drums need replacing here pretty soon though.
>
>
> If your rear end is locking up with drums, I should think that
> swapping to discs which will grab even harder would exacerbate the
> problem. Plus, switching a vehicle from drums to discs is generally
> difficult and/or expensive and not worth the time or the money, IMHO.
> I like rear discs from a maintenance standpoint and thus would spec
> them on a new vehicle, but to swap to them from drums is just not
> worth the effort. Perhaps in a road racing vehicle with a better
> weight bias a case could be made, but your rear brakes are only doing
> something like 20% of the braking, so increasing the braking power in
> the rear doesn't do a whole lot for you. If better stops are the
> goal, any improvement to the front brakes is 4 times as effective as
> that same improvement made to the rear brakes.
>
> Regarding your specific problem of the rears locking up, I suspect
> you can eliminate that with some adjustment. It may be the pads are
> too close to the drum and are engaging too early/hard. I don't know
> if the Dak has an adjustable front/rear bias valve, but if it does (or
> one were added) that could be another way to go.
>
>
> --
> -Jon-
>
> .- Jon Steiger -- jon@dakota-truck.net or jon@jonsteiger.com -.
> | '96 Kolb Firefly, '96 Suzuki Intruder, Miscellaneous Mopars |
> `-------------------------------- http://www.jonsteiger.com --'
>
> _____
>
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>
>
>
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