When driving i feel that the car is aqua planing on straight piece of road very light on steering the rack has been changed about 8months ago.

have the steering checked for failing ball joints , worn rack and pinion , loose rack and pinion, problem joints in the steering column
now is the time to have it checked as it is extremely dangerous on the road

MAYB CAR NEED ALINEMENT

when the steering wheel is centred, the front wheels should both point slightly inwards.
after the amount of parts changed, i would recommend that you get the tracking checked at a garage using the proper, calibrated measuring systems, to make sure that the steering is set up properly and safely.

Steering rack or tierod/tierod ends may be loose or bent. Steering rack may be worn. Power steering pump may be worn and unable to provide sufficient pressure at low rpm's.

SOUND LIKE WORN OUT BRAKE ROTOR.

If it is trying to drive you into the kerb it is called oversteer. If it seems as if it doesn't feel like going round the corner at all it is called understeer. It has to do with the angles of your wheels or that your shock absorbers are worn. You need to have the wheel alignment, camber and castor and shock absorbers checked. If there is a bigger problem they will pick it up when they do the checks.

yea check ur rack....may be der is not a proper engagement btw rack n pinion....so check it...... cheers!!!!!

It sounds like a worn steering rack bush in the steering rack,as this explains the play youve mentioned,the vibration is caused by the wheels moving very slightly through the play in the rack bush,theres 1 letf and 1 right side bush in the ends of the steering rack that would need checking for play or movement

Your power steering engine/ pully has gone bad. needs a replacement then.

Take care and do fix it on time before you get the steering rack damaged.

Good luck.

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