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Old 5th July 2012, 22:30   #16
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Default Re: Peculiar Wheel Bearing Issue

Replace shock also if its busted, that is leading to the tyre wear and eventually the humming sound.
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Old 5th July 2012, 22:47   #17
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Default Re: Peculiar Wheel Bearing Issue

A bearing consists of outer race and inner race. The balls or rollers are embedded in between these two races.
The outer race is fit to a housing and inner race to a shaft (normally). And these are with minimal tolerance fit (very tight fit) or by any other means to restrict relative motion (between outer race and housing or inner race and shaft). While a damaged bearing can be taken out by any way, not damaging the shaft or housing, the proper way to remove is by using a bearing puller.
To install a new bearing, there are two ways. If outer race is to be fit to a housing, The bearing is to frozen and quickly fit into the housing using some lube oil. If inner race is to be mounted over a shaft, the bearing is heated in a lube oil bath and slided over the shaft. Inspite of these methods, at times, hammering becomes necessary (normally in case of larger bearings).
Case1: Outer race to be fit to a housing. A pipe of diameter equal to the outer race is to be taken. And only outer race is to be hammered in using the pipe. Hammering the inner race would damage the bearing.
Case 2: Inner race to be fit to a shaft. Here a pipe of diameter equal to the inner race is to be taken to tap the bearing to its place. Hammering the outer race in this case would damage the bearing. Also some times threads are there on the shaft. These might get damaged while installing the bearing. Make sure these are protected. It can be easily done by running 3-4 rounds of insulation tape over the threads.
We don't need to go into more technicalities. If these basic things are followed, we can ensure that the bearing is not damaged.
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Old 4th December 2013, 16:16   #18
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Default Wheel bearing replaced @ just 17000km

Decided and gave vehicle for General checkups and for niggles. The Bill was 4600 and odd.

Works done:(Service Station RAMKAY FIAT, Chennai).

Door Rattling check/correction, door knobs springs tension corrected, interior cleaning, engine bay cleaning, general fluids check up , check up of brake linings, disk brake setup health,

During check ups, upon inspection, it was found the front, right hand side Wheel Bearing had busted and was replaced on Warranty, not sure about part number but the kit as per the SA costs 2.7 approx.

Question: Can a wheel bearing bust at as low as 17,000km on the odo ? Should the quality seriously be doubted or it s just another case.

Request someone who is aware to let us know who is the OEM supplier of wheel bearings to Fiat India (P) Ltd ?
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Old 4th December 2013, 16:30   #19
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Default Re: Wheel bearing replaced @ just 17000km

My Maruti Swift VDI wheel bearing cost was 700 Rs. 3 years back and it was replaced with no change to me (Covered under warranty).
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