 | Home > Puma (Tdci) > Break Dust |
 
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| CapeLandy Member Since: 21 Jul 2008 Location: Cape Town Posts: 558  
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My wife who drives our Puma as her daily is one of those who breaks at the last possible moment.
No matter how I complain - she just doesn't see the point of using the compression of a diesel engine to do the bulk of the slowing down. Anyways - enough about that - I was noticing a lot more break dust on the front wheel rims as opposed to the rear. Is the break balance such that the rear do very little that there is very little or no sign of dirt on the rims? Anyone else have this? The pictures are at night but the front are definately a lot more "dusty" Front  Click image to enlarge Rear Click image to enlarge Puma 110 - gone Series III 1973 - going strong |
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17th May 2009 6:08pm |
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| mse Member Since: 06 Apr 2008 Location: UK Posts: 5026  
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Yes very deliberate on all cars.
Some cars have EBD (electronic brakeforce distribution) like our freelander, which the more weight/towing etc increases the work of the rear brakes Mike |
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17th May 2009 6:46pm |
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| CapeLandy Member Since: 21 Jul 2008 Location: Cape Town Posts: 558
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thanks chaps - at the price of a new set of pads I am going to have to put a rubber ball under her break pedal.
 Puma 110 - gone
Series III 1973 - going strong |
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17th May 2009 6:49pm |
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| Grockle Member Since: 24 Nov 2008 Location: Peak District National Park Posts: 2266 
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You also get more break dust since they stopped using asbetos in the pad material 2.4 90 XS
1968 1/32 scale Britains 109 Pick up. |
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18th May 2009 8:19am |
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| Martin Site Admin Member Since: 02 Apr 2007 Location: Hook Norton Posts: 6502 
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Front brakes always do more work as the vehicle's weight transfers to the front axle under braking.
There are pads available which are less dusty. |
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18th May 2009 8:30am |
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| alantd Member Since: 14 Dec 2008 Location: Northamptonshire Posts: 1513 
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Yup - pretty much always a heavy front-bias.
In fact, my mate used to disconnect the rear brakes on his mini - apparently a common mod on the rally versions to save weight (not recommended on Defenders  ) One that started out as a 2.4 TDCi 110 XS
+ New Defender 110 First Edition |
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18th May 2009 8:48am |
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| Bundubasher Member Since: 25 Sep 2008 Location: Sandton Posts: 34 
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The reason why the front brakes brake harder is to prevent the car turning sideways and rolling over during a skid. i.e in an emergency or slippery surface. If the front wheels are skidding and losing traction but the rear wheels have slightly more traction the car should track reasonably straight. As soon as the rear wheels lose traction but the front wheels mantain the traction the rear of the vehicle will start coming around. Try an experment with a toy car. Use sticky putty for example and lock the front wheels. Let the car roll down a board or tray. Try again but his time lock the rear wheels with sticky putty. The car will turn around and go down the slope backwards with the wheels locked.
Regards Anthony |
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18th May 2009 8:58am |
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| Ads90 Member Since: 16 Jun 2008 Location: Cots-on-the-Wolds Posts: 800 
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This is also demonstrated by the smaller disks & callipers to the rear on your LR...
In fact most small cars still have drums on the rear with discs on the front! Cure for brake dust - solid steel wheels!  |
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18th May 2009 10:28am |
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| Bosun Member Since: 21 Jul 2008 Location: Great Berry Posts: 141
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Engine braking is OK for good control off-road, but for on-road braking I think I'd rather replace the pads than the clutch.
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18th May 2009 12:50pm |
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| CapeLandy Member Since: 21 Jul 2008 Location: Cape Town Posts: 558
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When I meant engine breaking I was referring to staying in the gear that one is in for as long as possible and using the engine compression in that gear until the last moment when you need to press the break and depress the clutch only once to change to 1st for pull off. I find my wife doesn't tend to plan ahead and see what the traffic is doing and decelerate accordingly instead of slamming on the anchors last minute. Puma 110 - gone Series III 1973 - going strong |
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18th May 2009 1:14pm |
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| Bosun Member Since: 21 Jul 2008 Location: Great Berry Posts: 141
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Get a lot of that over here. They're either on the phone, or slapping on the lippy though.
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18th May 2009 2:13pm |
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