08-19-2007, 01:56 PM
Join Date: Aug 2007
Posts: 21
Md state inspection FAILED my audi a4 1.8t rotor size.. need help
Hi there,
I just bought a new 99 audi A4 1.8 quattro
Took it to md state inspection and found that they said my rear rotor - .279 and .290
Which, they said they should be .314...
Should i listen to them and change new rotors or are .279 and .290 normal and still alive for other miles?
or Should i try other different md state inspection location?
Need your opinions...
thanks
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ZaM
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08-19-2007, 02:03 PM
Join Date: Nov 2005
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Posts: 12,830
RE: Md state inspection FAILED my audi a4 1.8t rotor size.. need help
total crap I would think ( do they work or not ) do the breaks work?
08-19-2007, 02:05 PM
Join Date: Aug 2007
Posts: 21
RE: Md state inspection FAILED my audi a4 1.8t rotor size.. need help
Yes, the brakes work GREAT! no shaking or anything... i was like huh about must getting new rear rotors...
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ZaM
08-19-2007, 02:10 PM
Join Date: Nov 2005
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Posts: 12,830
RE: Md state inspection FAILED my audi a4 1.8t rotor size.. need help
it could be the rotors are too thin due to wear ( not unreasonable )
08-19-2007, 02:11 PM
Join Date: Aug 2007
Posts: 21
RE: Md state inspection FAILED my audi a4 1.8t rotor size.. need help
Yeah? but do you know what size that shld pass? or fail? like .279 nd .290 is too thin?
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ZaM
08-19-2007, 02:16 PM
Join Date: Nov 2005
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Posts: 12,830
RE: Md state inspection FAILED my Audi a4 1.8t rotor size.. need help
below 279mm is micro and if they work well its not a fail but if they are burned out then change them and the pads
08-19-2007, 02:20 PM
Join Date: Aug 2007
Posts: 21
RE: Md state inspection FAILED my Audi a4 1.8t rotor size.. need help
Oh i see, many thanks... also, wondeering about whats rule of lowest mm that will fails? below .250 or what?
thanks
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ZaM
08-19-2007, 02:25 PM
Join Date: Nov 2005
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Posts: 12,830
RE: Md state inspection FAILED my Audi a4 1.8t rotor size.. need help
as a mechanic I have a cheat, the tester feels the edge of the rotor and if its high that signals break wear so if you grind that edge off the results are amazing
08-19-2007, 02:31 PM
Join Date: Aug 2007
Posts: 21
RE: Md state inspection FAILED my Audi a4 1.8t rotor size.. need help
Oh, how ironically that they passed my brake pads but rotors naw... So, all i have to is get new rear rotors?
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ZaM
08-19-2007, 06:40 PM
Senior Member
Join Date: May 2004
Location: Northern NJ USA
Posts: 3,678
RE: Md state inspection FAILED my Audi a4 1.8t rotor size.. need help
The minimum rotor thickness is cast onto the disc.
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