how do you know when front wheel bearings are bad????

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2001 Audi A4 1.8T Quattro

when you drive down the road and the front end bobs up and down ^_^

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1999 (.5?) A4 2.8 Quattro
177K Miles
New: Radiator & hoses - Timing kit - Plugs - Wires- Thermostat - Alternator
Cleaned MAF, Removed and cleaned TB, Seafoamed crank/tb/tank-- PCV, Airfilter, Fuel Filter - Checked~

you'll hear a loud annoying sound (like my roommates gf's voice ) as you go faster.

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2001 Audi A4 1.8TQM
GIAC ~ Techtonics / Magna-Flow ~ Carbonio ~ Forge ~ Evoheatshield ~ Konig ~ Rieger ~ VIS

my front drivers side humms, but It has been bad for over a month and I have put abnout 4k on it without the noise getting much worse....

I will replace in the next month or 2

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Ko4|GIAC PC-16|Tantrumwerks HFC|Red Top Inj.|3 bar fpr|18x8.5" RS4 Reps|225/40/18|Euro S4 Headlights|Tint 35F/20R|CF B+C Pillar|Stratmosphere SS|F+R D/S Rotors|Custom Intake/Heatshield|Bilstein/Neuspeed Race|VDO Boost/Vac Guage|Samco TIP|RS4 U+L Grill|Forge DV/BOV|Momo|Panzer|Stern Snub|eBay FMIC|Hayden P/S Cooler|

ok look dude, if you repair it now.. it'll be like 300$ or something if you take it to a shop... if you wait until it sounds worse, it's seriously going to cost you up around a grand cuz more parts will be worn and need to be replaced.. don't put it off!

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1999 (.5?) A4 2.8 Quattro
177K Miles
New: Radiator & hoses - Timing kit - Plugs - Wires- Thermostat - Alternator
Cleaned MAF, Removed and cleaned TB, Seafoamed crank/tb/tank-- PCV, Airfilter, Fuel Filter - Checked~

If your wheel bearing is bad it will make a noise sort of like a "hum" that will change pitch with speed. The sound should also change as you go around a corner at a moderate speed. A quieter noise turning left means a bad left wheel bearing, quieter turning right mean a bad right wheel bearing.

the wheel bearing costs $50, all you need to do is remove your steering knuckle, take it to a machine shop, they press the old bearing out and press the new one in...

should take about an hour to remove the knuckle and an hour to re-install MAX....

So, it'll cost 50$ plus another 20$ for the machine shop to press out/in the bearings....

the whole job should take 3 hours (including drive time to a local shop) and cost you about 70$....

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Ko4|GIAC PC-16|Tantrumwerks HFC|Red Top Inj.|3 bar fpr|18x8.5" RS4 Reps|225/40/18|Euro S4 Headlights|Tint 35F/20R|CF B+C Pillar|Stratmosphere SS|F+R D/S Rotors|Custom Intake/Heatshield|Bilstein/Neuspeed Race|VDO Boost/Vac Guage|Samco TIP|RS4 U+L Grill|Forge DV/BOV|Momo|Panzer|Stern Snub|eBay FMIC|Hayden P/S Cooler|

thanks for the help

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2001 Audi A4 1.8T Quattro