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Old August 12th 08, 06:25 PM posted to rec.autos.makers.ford.mustang
Joe[_113_]
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Posts: 17
Default Hum after rear-end gear change

"88 Mustang GT Conv." > wrote in
:

> On Aug 2, 2:30*am, > wrote:
>> While everyone loves to blame the mechanic... obviously the
>> boat-person t

> hat
>> built the gearset is an expert, I have found that some gearsets are
>> just plain noisey.... Installation was performed using factory tools
>> in accordance with factory procedures and to factory specs.... and
>> the gears were noisy to some degree or another.... Another R&P,
>> installed exactly t

> he
>> same way, might give no noise at all...
>>
>> The important thing to remember is that your mechanic MAY be the
>> cause of the noise... or he MAY be a victim of it..... There is no
>> assurance that

> the
>> gearset was perfectly machined. Without knowing your mechanic nor
>> what he has for tools and/or skills.... there is no assurance that
>> there is nothi

> ng
>> amiss with the installation.
>>
>> The noise itself.... how loud is the hum????? Is it coming from the
>> gears???? (A dealer several miles away is having trouble with an 07
>> Musta

> ng
>> GT - noise on decel.... three new gearsets and two wheel to wheel
>> assembl

> ies
>> and the noise is still there... ). My SuperCrew developed the dreaded
>> "ti

> p
>> in" gear whine while it was still under warranty.... I never did have
>> the time or shop space to have the concern addressed..... but it
>> doesn't both

> er
>> me because playing the radio at normal volume makes the noise
>> disappear..

> ..
>> How objectionable is your noise....
>>
>> Now... before some of you guys try to rip my lips off.... I have no
>> idea

> of
>> what any of you do for *food..... But I dare you to tell me that you
>> ha

> ve
>> never.,.... EVER said "that's good enough...".
>>
>> "88 Mustang GT Conv." > wrote in
>> messagenews:a324

> ...
>>
>>
>>
>> > I'm coming to all of you as the experts.

>>
>> > I've recently had my gears changed in my 1988 5.0L convertible to
>> > 3:73:1. (I only have 152,000KM on the car) There's a humming noise
>> > which comes from the rear-end which gets significanltly louder
>> > between 60-90 KM / Hr.

>>
>> > I was told by the mechanic that this is a common thing with the
>> > gears and should be ignored.

>>
>> > Just wanting to get some thoughts/opinions.

>>
>> > The mechanic I'm dealing with is great and has always done
>> > excellent work on the car. He goes over and above what I've asked
>> > him to do with little cost.

>>
>> > I'm just thinking that it should be normal as it can become quite
>> > annoying.

>>
>> > Thanks in advance,
>> > Marc- Hide quoted text -

>>
>> - Show quoted text -

>
> Just an update....I picked up the car yesterday from the same mechanic
> who completely accepted to look into the situation after I contacted
> him about it.
>
> The noise was loud enough that I could not drown it with the radio (I
> couldn't have a conversation without having to raise my voice at these
> speeds).
>
> The mechanic has adjusted a few things and the noise is barely
> noticeable (you really have to listen for it) and is in my opinion
> "normal" (so far so good).
>
> Like I said he is a great person and is an avid Mustang fan. He always
> goes above and beyond and this time around proved that once again.
>
> Thank you for all of your advice. It has helped me understand things a
> little more and in the end my car is back in my driveway running well.
>
> Regards,
> Marc


I gotta ask - why the noise in the first place? If he test-drove it, he
certainly would've heard what you described (the radio wouldn't even
drown it out). If he didn't test drive it, then that's another story.
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