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Vehicle Suspension Repairs

Located In Marsfield

Very Close To Epping, Eastwood, North Ryde, Macquarie Park

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Car Suspension

Non-independent suspension 

Many rear wheel drive cars have non-independent suspension, usually at the rear. A solid axle connects the wheels on each side. When one wheel is deflected by a bump the other wheel is deflected because of the solid connection between them. This can cause stability and traction problems. Non-independent suspensions are most commonly used in four wheel drive vehicles and trucks as they can carry heavy loads and are very rugged.

Independent suspension 

The independent suspension offers a more comfortable ride and better handling characteristics simply because each wheel reacts separately from the others. When the wheel on one side hits a bump there is no reaction from any other wheel. Suspensions should be checked in accordance with the manufacturer’s recommendations. There are a number of parts that are susceptible to wear particularly spring and suspension arm bushes.

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Shock absorbers

The springs help to keep the wheel in contact with the road are assisted by the shock absorber. Once the spring compresses it rebounds and this happens over and over, like oscillations on a screen. The shock absorber dampens this motion. 

The shock absorber does not absorb shocks (that’s the job of the springs), it dampens the effect of the oscillating springs. It achieves this by passing hydraulic fluid or gas between chambers. 

The shock absorber is a cylindrical chamber with a piston in the middle. The bottom of the shock absorber is attached to the lower suspension arm and the top is fixed to the car’s body. 

When the wheel hits a bump the piston moves up in the cylinder and fluid or gas passes through small valves in the piston from the top of the chamber to the bottom. 

When the wheel rebounds the piston moves down in the chamber and the fluid or gas moves in the opposite direction. 

This in effect dampens the motion of the spring and stabilises the body. 

The result is a comfortable ride and the wheels stay in contact with the road. The above components combine in various ways to make up the suspension system and there are two types of systems, the non-independent and independent suspension.

Springs

Leaf springs.The leaf spring is a long flat metal bar. It can be one or a number of leaves joined together. One end is attached to a pivot on the body, the centre is attached to the axle (by U-bolts) and a moving bracket (shackle) attaches the other end to the car’s body. When the wheel hits a bump in the road it moves upwards. The spring flexes and as it is fixed on one end (the pivot) the other end swings on the shackle. The flexing of the spring pushes the wheel downwards to keep it in contact with the road. 

Coil springs.The coil spring sits on the lower suspension arm, which can pivot. It is fixed at the top to the car body or cross-member. When the wheel hits a bump it is deflected upwards and this moves the lower suspension arm, which compresses the spring. The spring forces the lower suspension arm downwards and this keeps the wheel in contact with the road. 

Torsion bars. The torsion bar is a long round metal bar. It is attached to the lower suspension arm, which pivots and is fixed at the opposite end to the car body or chassis. When the wheel hits a bump the lower suspension arm is deflected, which causes the torsion bar to twist. It immediately resists this twisting motion and forces the wheel downwards.

THE AUTODOC Automotive Service Centre

Marsfield Car Mechanic, The AutoDoc Automotive Car Service Centre, Car Mechanical Service And Bra... 
60a Balaclava Rd & Cnr Corunna Rd, Marsfield, Sydney, NSW, Australia, 2122
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Trading Hours

always ring to confirm if we are open if planning arriving at an odd hr
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Monday-Friday
07:30 AM 05:30 PM
Saturday 08:00 AM 12:00 PM
Sunday closed closed

Parking

Plenty of Parking
Contact Person: Mark Taylor

Phone: 02 9874 4855
Mobile: 0418111235

Auto Doc
AUTO MECHANICAL REPAIRS AND SERVICE
LOCATED @ MARSFIELD CLOSE TO MACQUARIE UNIVERSITY, MACQUARIE PARK, NORTH RYDE, EASTWOOD, EPPING,IS YOUR LOCAL CAR MECHANIC

We have A famous reputation of honesty integrity and quality workmanship that has gone on at auto doc for over 30 years

OUR SERVICES INCLUDE
GENERAL CAR SERVICE MINOR OR MAJOR SERVICE,
BRAKES AND CLUTCH SERVICE, ON CAR DISC MACHINING,
FUEL INJECTION SERVICE,
SUSPENSION AND SHOCK ABSORBERS,
FLEET SERVICE DIESEL ENGINE SERVICE,
TRANSMISSION SERVICE & REPAIRS,
RADIATOR REPAIRS, CAR COOLING SYSTEMS,
CAR AIR CONDITIONING SERVICE, AIR CON RE GAS
AUTO ELECTRICAL/ AUTO ELECTRICIAN SERVICE,
STARTER MOTOR REPAIR,
POWER STEERING
TYRES AND BATTERY SALES,
WHEEL ALIGNMENTS, WHEEL BALANCE
LOG BOOK SERVICING, VEHICLE SAFETY CHECKS,
PINK SLIP INSPECTION,
COMPLETE CAR REGISTRATION INSPECTIONS,
WE OFFER COURTESY CARS,
WE OFFER A BREAKDOWN SERVICE,
LOCAL PICK UP AND DELIVERY SERVICE OF YOUR VEHICLE,
WE SELL FUEL, OIL LUBRICANTS, WINDOW WIPERS,TAIL LIGHT GLOBE, SPARK PLUGS,
OIL FILTERS, ETC

car makes we service,
alfa romeo, Ford, Subaru, Lexus, Saab, Holden, Mercedes benz, Nissan, Peugeot, peogeut, Toyota
BMW, Volvo, Audi, Honda, Mazda, Mitsubishi
Volkswagen, Suzuki, Hyundai, Daihatsu, Kia, vw, volkswagon, Honda, Jeep, Chrysler, citreon,

Contact Mark Taylor of Auto doc
For Your Next Car service

Authorised RMS Car Inspection Workshop

Distances

To the Macquarie University   »   1 km's
To the Were at Marsfield Shops
To the Macquarie Park Business   »   1 km's

Disabled Access / Facilities

PICK UP DELIVERY SERVICE AVAILABLE