Range Rover transfer cases are generally reliable, with few cases
of diff lock failure and most work is confined to replacing noisy bearings and eliminating wear - induced backlash.
Briefly, Volkswagen explains the effect
of the diff lock like this:
Not exact matches
This ostentatious statement
of affluence is a serious CO2 offender, a street - legal unarmed tank with two heavy - duty portal axles and three push - button
diff locks.
Step over the limit and the
diff locks up quickly and cleanly and a roll
of the wrists will apply the required
lock to hold, then allow you to drive through the transition.
You feel the
diff locking up under braking, and the transition from deceleration stabilization to
lock - up while powering out
of a low - speed corner isn't as progressive as the eLSD setup in the other Porsche.
I'm quickly learning that the drivetrain hates any sort
of manoeuvring, as the rear
diff locks up and the resulting
locked rear axle seems to give the clutch an even harder time.
An electric pump supplies the VAQ unit with varying degrees
of pressurised hydraulic fluid; this oil operates a pack
of clutches that can
lock the driveshaft to the
diff cage, and therefore, essentially, the other driveshaft too.
The variable centre
diff and torque vectoring e-
diff at the rear are also capable
of locking completely to improve the car's offroad ability.
Put your foot down, the
diff locks up and the car's line noticeably straightens, letting you power out
of a turn far earlier than in the Camaro street car.
Despite Bentley being happy to take the SQ7's engine from Audi, the Crewe firm wasn't prepared to utilise the SQ7's four - wheel steering or offer the option
of that car's more dynamic and sport orientated
locking rear
diff.
Cornering is more
of a test
of nerve than the GT S's outright capabilities — the mechanical grip is astounding — and the electronic
locking diff does a precise job
of managing torque distribution to each
of the rear wheels.
«We add weight to the standard car because
of the M4's bigger brakes and stronger suspension and the
locking diff, then we try to take it all out again in other areas, which was the CSL philosophy.»
Sturdy Fix: In its final year
of production, the D II came from the factory with a center
diff -
lock shifter to
lock the center differential.
An active center differential and
locking rear
diff, hill descent control, and All - Terrain Progress Control, a low - speed system that modulates throttle and braking automatically, keep you out
of sticky situations.
Of course if we could have the Anti-Spin characteristics with the option of locking the rear diff at will we'd be ecstati
Of course if we could have the Anti-Spin characteristics with the option
of locking the rear diff at will we'd be ecstati
of locking the rear
diff at will we'd be ecstatic.
AMG insists it sort -
of does, because pushing the centre - differential button on the dash effectively
locks the multi-plate centre
diff anyway.
The Rover's
locking diffs and electronic traction control (when we wanted it) lived up to billing also, keeping us moving on uneven stretches
of loose dirt when one tire or another momentarily lost a grip.
The new - for -»06 Range Rover utilizes
locking center and rear
diffs, along with state -
of - the - art traction control systems, to maintain forward progress on less - than - optimal surfaces.
It adds up to aggressive thrills, and the
diff comes into play smoothly and quickly, predicting and altering its
lock - up almost constantly to maximize braking efficiency and traction into and out
of bends.
Dual - range four - wheel drive, rear -
locking diffs, room for seven and myriad uncanny resemblances saw this comparisons spec - check much like a game
of spot the difference.
In addition to the standard
locking center differential seen on most truck - based SUVs, the G boasted front and rear
locking diffs that gave the Benz the grip and agility
of a mountain goat when faced with treacherous terrain.
The
diff is linked to the car's electronic stability control system and, unlike a conventional LSD, can go from fully open to 100 - percent
locked in a matter
of milliseconds.
Four - wheel - drive models
of the Octavia get multi-link suspension at the rear and electronic
diff locks on both axles
Previous 4x4
of the year winners 2014 Land Rover Range Rover Sport (Supercharged) 2013 Jeep Wrangler Moab Edition JK (3.6 L V - 6) 2012 Jeep Wrangler Rubicon JK (3.6 L V - 6) 2011 Land Rover LR4 HSE 2010 Ford F - 150 SVT Raptor (5.4 L V - 8) 2009 Suzuki Equator Crew Cab RMZ - 4 2008 Toyota Land Cruiser 2007 Jeep Wrangler Rubicon JK (3.8 L V - 6) 2006 Dodge Ram 1500 TRX4 2005 Jeep Grand Cherokee (IFS) 2004 Volkswagen Touareg V - 8 2003 Lexus GX 470 2002 Jeep Grand Cherokee (4.7 HO V - 8) 2001 Jeep Grand Cherokee (5 - speed automatic) 2000 Toyota Tundra 1999 Jeep Grand Cherokee (4.7 V - 8 Limited) 1998 Jeep Grand Cherokee (5.9 V - 8 Limited) 1997 Jeep Wrangler Sport TJ 1996 Jeep Grand Cherokee (w / center
diff lock) 1995 Dodge Ram (2500 V - 10 longbed Club Cab) 1994 Dodge Ram (1500 V - 8 shortbed regular cab) 1993 Jeep Grand Cherokee 1992 Chevrolet Blazer (fullsize) 1991 Dodge Dakota 1990 Nissan Pathfinder (4 - door) 1989 Toyota pickup 1988 Jeep Cherokee (4.0 engine) 1987 Nissan Pathfinder (2 - door) 1986 Ford Ranger 1985 Isuzu Trooper II 1984 Jeep Cherokee (2.8 engine) 1983 Chevrolet S - 10 Blazer
And while the name has changed, it's thankfully still the same terrific grab - bag
of Nismo goodies we've tested and loved in the past: Bilstein high - pressure shocks, pushbutton rear
locking diff, full underbody skidplating, and 75 - series BFGoodrich Rugged Trail tires on newly designed 16 - inch alloy rims; Pro-4x King Cab models also get the Utilitrack inbed tie - down system with adjustable cleats, which is standard on all Crew Cab versions.
There's hill descent control, that
locking rear
diff and a selection
of driving modes for different terrain.
Despite the absence
of a
locking rear
diff the Colorado 7 rarely missed a beat over trickier terrain.
The 47:53 % weight distribution, the electronic
diff lock, the ground - hugging centre
of gravity, and the aluminium double - wishbone suspension make the car feel agile and alert, involving and inspiring.
But with switchable 2H, 4H and 4L modes, a rear
diff lock, generous 225 mm
of ground clearance, good wheel articulation, reasonable underbody protection, hill descent control and hill start assist, the Terra made light work
of the light - duty off - road work we subjected it to.
There are quite a lot
of switches — to select drive, driving modes,
diff locks, ESP, climate control et al..
Steering is now by an electromechanical rack and there's the usual Mercedes selection
of drive modes, plus a bespoke G - Mode for off - roading which brings in to play the three
diff locks and low - range gearing.
The Trailhawk gets a specific off - road tune
of Grand Cherokee's air suspension, extra bash plates, a
locking rear
diff and Goodyear tyres reinforced with Kevlar for extra puncture resistance.
Apart from a host
of Aussie - engineered genuine accessories including bullbars and mine - spec trays, premium paint costs $ 550 extra and front / rear
diff locks cost a further $ 1500 on the single - cab GX and double - cab WorkMate (they're unavailable on base single - cab, Troopie and wagon models, but standard on everything else).
It also features torque vectoring — so it can brake or send power to individual wheels — and an electronic
diff lock to boost traction out
of bends.
But the other note
of caution is that, although all models get Terrain Response, the more sophisticated Terrain Response 2 is optional across the range for $ 430, as is a full - size spare wheel (which adds $ 1020 and reduces luggage space to a still reasonable 558 litres), and an active
locking rear
diff is only available in V6 models ($ 1100).
Previous 4x4
of the Year winners 2013 Jeep Wrangler Moab Edition JK (3.6 L V - 6) 2012 Jeep Wrangler Rubicon JK (3.6 L V - 6) 2011 Land Rover LR4 HSE 2010 Ford F - 150 SVT Raptor (5.4 L V - 8) 2009 Suzuki Equator Crew Cab RMZ - 4 2008 Toyota Land Cruiser 2007 Jeep Wrangler Rubicon JK (3.8 L V - 6) 2006 Dodge Ram 1500 TRX4 2005 Jeep Grand Cherokee (IFS) 2004 Volkswagen Touareg V - 8 2003 Lexus GX 470 2002 Jeep Grand Cherokee (4.7 HO V - 8) 2001 Jeep Grand Cherokee (5 - speed automatic) 2000 Toyota Tundra 1999 Jeep Grand Cherokee (4.7 V - 8 Limited) 1998 Jeep Grand Cherokee (5.9 V - 8 Limited) 1997 Jeep Wrangler Sport TJ 1996 Jeep Grand Cherokee (w / center
diff lock) 1995 Dodge Ram (2500 V - 10 longbed Club Cab) 1994 Dodge Ram (1500 V - 8 shortbed regular cab) 1993 Jeep Grand Cherokee 1992 Chevrolet Blazer (fullsize) 1991 Dodge Dakota 1990 Nissan Pathfinder (4 - door) 1989 Toyota pickup 1988 Jeep Cherokee (4.0 engine) 1987 Nissan Pathfinder (2 - door) 1986 Ford Ranger 1985 Isuzu Trooper II 1984 Jeep Cherokee (2.8 engine) 1983 Chevrolet S - 10 Blazer
I've been to plenty
of sketchy places with just a low gear and a
locking diff.
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Even with the dampers set to «Normal» it doesn't seem to roll as much as the Golf, and while the GTI tries its best to imitate the actions
of a front
locking diff with little brake applications via its «XDS Plus» system, it's an easy car to push into understeer.
The Clubsport (which will be badged here as the «Golf GTI 40 Years» edition to avoid a naming conflict with HSV, which has dibs on the Clubsport moniker), gets many
of the same goodies as the «S», including the lift - eradicating aero package, adaptive chassis control and electronic
locking diff, so it's virtually as rapid in real - world conditions.
Dubbed eLSD in GM speak, the suggestively named
diff comes standard with the Z51 Performance Package, and employs a hydraulically actuated clutch that infinitely varies the amount
of engagement, going from open to full
lock in tenths
of a second.