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Home > General > ABS CBC DSC EBD EBA ETC GRC HDC and Terrain Response
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IanMetro



Member Since: 11 Sep 2017
Location: Somerset BS21
Posts: 3133

United Kingdom 2014 Freelander 2 SD4 Metropolis LE Auto Fuji White
ABS CBC DSC EBD EBA ETC GRC HDC and Terrain Response

I read on this forum about strange things happening especially when the car is pushed towards its limits.

I do wonder if these 'features' (or their misfuntioning) explain some of the experiences suffered by various people.

I was recently surprised myself by what I think was the CRC Cornering Brake Control coming into action.
It happened on the large roundabout joining the M4 and M32, which has traffic lights followed by a 3 lane 270 degree roundabout onto the M32.
I momentarily forgot that I was in a high sided 4x4 and attempted to accelerate up to 70mph around the wide bend.
I was met by a peculiar floating feeling as the power decreased and the FL2 moved towards the outside of the lane, and then the FL2 tightened its line (as I responded lifting my foot) and all was normal.

I think this 'invisible' steering by mainly the individual back brakes may account for my rear brake pads wearing out faster than my fronts, and also my rear tyres wearing at a similar rate to my fronts. On all other cars (all non4x4) I have before brake and tyre wear at the front has been noticeably greater than the rear. FL2 XS SD4 Auto 2010 2012-2017 (21k - 91k miles) (MY2011)
FL2 Metropolis SD4 Auto 2014 2017- (16k - 77k+ miles) (MY2015)
Metro in its 11th Year of (Extended) LR Warranty / Full LR Service History
(Expensive, but Trouble/Worry free - hopefully?)

Post #337437 17th Dec 2017 8:37 pm
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carlsson



Member Since: 15 Dec 2015
Location: Fife
Posts: 88

Scotland 2007 Freelander 2 TD4 HSE Auto Stornoway Grey
Understeer

Could be explained by understeer and on front wheel drive cars if you lift off it creates oversteer and gets you round the corner...
Also rear wheel pads generally wear a little quicker due to brake bias ? 2007 hse auto

Post #337438 17th Dec 2017 8:51 pm
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rchrdleigh



Member Since: 18 Aug 2007
Location: Somewhere in the East of England
Posts: 1601

England 2011 Freelander 2 TD4 XS Manual Baltic Blue

Wasn't CBC what you experienced was Roll Stability Control (RSC) activating to prevent a potential roll over by reducing power and applying brake pressure to force a wider radius turn.

Post #337440 17th Dec 2017 9:19 pm
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dunkley201



Member Since: 09 Jul 2011
Location: Lincolnshire
Posts: 2739

United Kingdom 2010 Freelander 2 TD4 HSE Auto Stornoway Grey

So many acronyms! I recall when on the Design & Engineering tour at Gaydon, on the test circuit, charging in to the top bend at 80 mph with pedal to the metal it was DSC ( Dynamic Stability Control) that took over the throttle until we straightened out. It was a D4 though.

Bob 10MY (Sept 09) TD4 HSE Auto in Stornoway Grey (Now Gone)

08 FL2 TD4 SE Manual in Rimini Red (Now Gone)

Post #337443 17th Dec 2017 9:58 pm
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IanMetro



Member Since: 11 Sep 2017
Location: Somerset BS21
Posts: 3133

United Kingdom 2014 Freelander 2 SD4 Metropolis LE Auto Fuji White

Thanks, I think you are right, it was the anti-roll stability that I triggered.

It wasn't normal understeer, I have experienced both that and oversteer during my years of driving. This seemed to exaggerate then correct itself. I did not control it myself.

To tell you the truth, I think I would rather have total control myself, but I suppose the computer knows better, as it knows at once what to do.

For my part it took the long hard snowy winter of 1962/3 to learn how to keep going but avoid the objects around the roads.
Ford 100E rear drive live axle, assisted by quickly bought pair of knobbly tyres and 2 bags of sand (in the boot to keep traction). FL2 XS SD4 Auto 2010 2012-2017 (21k - 91k miles) (MY2011)
FL2 Metropolis SD4 Auto 2014 2017- (16k - 77k+ miles) (MY2015)
Metro in its 11th Year of (Extended) LR Warranty / Full LR Service History
(Expensive, but Trouble/Worry free - hopefully?)

Post #337445 17th Dec 2017 10:14 pm
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Yorky Bob



Member Since: 28 Apr 2015
Location: Yorkshire
Posts: 4561

United Kingdom 2013 Freelander 2 TD4 GS Manual Firenze Red

Would have been bags of coal up North then Rolling with laughter and fire once you got home. Laughing FL2 MY10 TD4 GS traded in at 2 years
FL2 MY13 TD4 GS Current

Post #337447 17th Dec 2017 10:59 pm
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IanMetro



Member Since: 11 Sep 2017
Location: Somerset BS21
Posts: 3133

United Kingdom 2014 Freelander 2 SD4 Metropolis LE Auto Fuji White

Yorky Bob

I was Up North at RAF Middleton St George, near Darlington.
I travelled down to Bristol most weekends, it was a winter to remember.

Bonus was that airfields are the ideal place to experiment with car control. (Especially for a beginner like I was) FL2 XS SD4 Auto 2010 2012-2017 (21k - 91k miles) (MY2011)
FL2 Metropolis SD4 Auto 2014 2017- (16k - 77k+ miles) (MY2015)
Metro in its 11th Year of (Extended) LR Warranty / Full LR Service History
(Expensive, but Trouble/Worry free - hopefully?)

Post #337450 18th Dec 2017 12:57 am
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768will



Member Since: 08 Jan 2012
Location: South Devon
Posts: 199

United Kingdom 2011 Freelander 2 TD4 GS Manual Bali Blue

You're right IanMetro. Airfields are great places to learn skid control when icy. I spent many enjoyable moments in my Lotus-Cortina on a icy perimeter track. Didn't do it on an aircraft dispersal though, the owner of a Vulcan might have been p#ssed off if I had hit it. 11 GS Bali Blue
07 GS FL2. Usually muddy. Gone
Numerous LRs since 1963

Post #337482 18th Dec 2017 1:48 pm
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RogB



Member Since: 16 Dec 2014
Location: Mansfield
Posts: 3880

England 2013 Freelander 2 SD4 HSE Lux Auto Santorini Black

We once took a LR 110 Soft top for a snowy 'training' spin around RAF Henlow around the old control tower in which we were based.
Saturday night - great fun playing in the snow !!
Monday morning - not so much fun as the all the snow had melted and we had created a muddy field, station commander was not impressed Very Happy

Post #337484 18th Dec 2017 1:55 pm
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